A detection method and system based on pesticide residue food

Abstract

The present invention relates to the technical field of pesticide residue food detection, and specifically discloses a detection method and system based on pesticide residue food. The present invention analyzes the pesticide application impact index corresponding to the current batch of various types of food in the production base based on the historical pesticide application parameters of the current batch of various types of food in the production base during the growth and production process, thereby avoiding the impact on food safety caused by improper pesticide application to a large extent, and providing strong data support for the subsequent pesticide residue analysis and evaluation of the current batch of various types of food in the production base. By sampling and testing the current batch of various types of food in the production base, and thereby analyzing the pesticide residue limit matching evaluation index corresponding to the current batch of various types of food, the authenticity and effectiveness of food pesticide residue detection and analysis are increased to a certain extent.

Description

Technical Field

[0001] The present invention relates to the technical field of pesticide residue food detection, and in particular to a method and system for detecting pesticide residue food. Background Art

[0002] With the rapid development of modern agriculture, pesticides are widely used in agricultural production as an important means to ensure crop yields and prevent and control pests and diseases. However, excessive or improper use of pesticides may lead to excessive pesticide residues in food, posing a potential threat to human health. Pesticide residues may not only cause acute poisoning, but may also accumulate in the human body through long-term intake, leading to chronic poisoning, decreased immunity, cancer and other serious health problems. Therefore, there are relatively strict requirements for the detection of pesticide residues in food.

[0003] At present, the detection technology and equipment for pesticide residues in agricultural products are uneven, and the detection methods for different types of pesticide residues are also very different. There is an urgent need for a method to conduct multi-dimensional detection and analysis of pesticide residue foods, so that the detection results of pesticide residue foods can be more accurate, reliable and of practical significance. Summary of the invention

[0004] The purpose of the present invention is to provide a method and system for detecting pesticide residues in food to solve the problems raised in the above background.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] The first aspect of the present invention provides a method for detecting pesticide residues in food, comprising the following steps:

[0007] 101. Pesticide application impact analysis: Extract the historical pesticide application parameters of the production base corresponding to the current batch of various types of food during the growth and production process from the storage repository, and based on this, analyze the pesticide application impact index corresponding to the current batch of various types of food in the production base to obtain the pesticide application impact index corresponding to the current batch of various types of food in the production base.

[0008] As a further improvement of the present invention, the pesticide application impact index corresponding to the current batch of various types of food in the production base is analyzed, and the specific analysis process is as follows:

[0009] 101-1: Extract the start time and end time of each historical application of pesticides in the growth and production process of various types of food from the historical application parameters of various types of food in the current batch of the production base, and subtract the end time of each historical application of pesticides in the growth and production process of various types of food from the start time to obtain the application duration of each historical application of pesticides in the growth and production process of various types of food, recorded as

[0010] 101-2: Extract the interval between each application and the next application of pesticides in each historical application of pesticides for each type of food in the production base corresponding to the current batch of various types of food during the growth and production process, and record it as the interval duration of the interval segment, and obtain the interval duration of each interval segment in each historical application of pesticides for each type of food, and record it as i represents the number of each type of food, i = 1, 2, ..., m, m is the total number of numbers of each type of food; j represents the number of each historical pesticide application operation, j = 1, 2, ..., n, n is the total number of numbers of each historical pesticide application operation; f represents the number of each interval, f = 1, 2, ..., g, g is the total number of numbers of each interval;

[0011] 101-3: Extract the pesticide concentration and dosage of each historical pesticide application operation in the growth and production process of various types of food from the historical pesticide application parameters of the current batch of various types of food in the production base, and mark them as At the same time, the historical pesticide application operations of various types of food during the growth and production process are counted to obtain the pesticide application frequency of various types of food during the growth and production process, which is recorded as P i ;

[0012] 101-4: Based on the formula Calculate the pesticide impact index YX corresponding to the current batch of various types of food in the production base i , a1, a2, a3, a4, and a5 respectively represent the set weight factors, and α represents the set error correction factor.

[0013] 102. Pesticide residue degradation analysis: Analyze the pesticide residue degradation rate assessment index corresponding to the current batch of various types of food at the production base to obtain the pesticide residue degradation rate assessment index corresponding to the current batch of various types of food at the production base.

[0014] As a further improvement of the present invention, the pesticide residue degradation rate evaluation index corresponding to the current batch of various types of food in the production base is analyzed, and the specific analysis method is as follows:

[0015] 102-1: Extract the end time of the last historical pesticide application operation of various types of food in the growth and production process from the historical pesticide application parameters of the current batch of various types of food in the production base, and extract the harvest time of various types of food in the current batch of the production base from the storage library. Subtract the harvest time of various types of food in the current batch of the production base from the end time of the last historical pesticide application operation of various types of food in the growth and production process, and obtain the harvest interval duration corresponding to the current batch of various types of food in the production base, recorded as Ti ;

[0016] 102-2: Extract the varieties corresponding to the current batch of various types of food from the production base from the storage, and compare them with the reference harvest interval duration corresponding to each variety, and obtain the reference harvest interval duration corresponding to the current batch of various types of food from the production base, recorded as T i ';

[0017] 102-3: Extract the last historical pesticide application method of each type of food in the growth and production process from the historical pesticide application parameters of the current batch of various types of food in the production base, match the last historical pesticide application method of the current batch of various types of food in the production base with the set pesticide application influence factors corresponding to each pesticide application method, and obtain the pesticide application influence factors corresponding to the current batch of various types of food in the production base, recorded as ε;

[0018] 102-4: According to the formula Calculate the impact index FS of the pesticide application method corresponding to the current batch of various types of food in the production base i , ΔT i It is represented by the difference in the allowed harvest interval corresponding to the set i-th type of food;

[0019] 102-5: Collect the temperature, humidity, light intensity, and soil organic matter content at each monitoring time point during the growth and production process of the current batch of various types of food at the production base, and calculate the average value to obtain the average temperature, average humidity, average light intensity, and average soil organic matter content during the growth and production process of the current batch of various types of food at the production base. Use this as the temperature, humidity, light intensity, and soil organic matter content corresponding to the growth environment of the current batch of various types of food at the production base, and mark them as wd i 、sd i , gz i , tr i , and collectively referred to as the production base, corresponding to the growth environment conditions of various types of food in the current batch, according to the formula Z i =(wd i ×b1+sd i ×b2+gz i ×b3+tr i ×b4)×β calculates the growth environment condition coefficient Z corresponding to the current batch of various types of food in the production base i , b1, b2, b3, b4 represent the set proportional coefficients respectively, and β represents the set error correction factor;

[0020] 102-6: Extract the suitable temperature, humidity, light intensity, and soil organic matter content corresponding to the growth environment of the current batch of various types of food in the production base from the storage, and mark them as wd i '、sd i ', gz i ', tr i ', according to the formula Z i '=(wd i '×b1+sd i '×b2+gz i '×b3+tr i '×b4)×β calculate the suitable growth environment condition coefficient Z corresponding to the current batch of various types of food in the production base i ';

[0021] 102-7: Match the growth environment conditions of the production base corresponding to the current batch of various types of food with the growth environment impact factors corresponding to the set growth environment conditions, and obtain the growth environment impact factors corresponding to the current batch of various types of food in the production base, recorded as σ;

[0022] 102-8: According to the formula Calculate the growth environment impact index HJ corresponding to the current batch of various types of food in the production base i , ΔZ i It is expressed as the difference in the coefficient of the allowable growth environment conditions corresponding to the set i-th type of food;

[0023] 102-9: According to the formula Calculate the pesticide residue degradation rate assessment index JP corresponding to the current batch of various types of food at the production base i , c1 and c2 represent the set evaluation factors.

[0024] 103. Pesticide residue detection and analysis: The pesticide residue detection and analysis module is used to obtain and analyze the pesticide residue parameters of various types of food in the current batch of the production base, and obtain the pesticide residue limit matching evaluation index corresponding to the current batch of various types of food in the production base. The pesticide residue detection and analysis module includes a preprocessing unit, a characteristic parameter acquisition unit and a matching analysis unit.

[0025] As a further improvement of the present invention, the pretreatment unit is used to select each food to be tested from various types of food corresponding to the current batch of the production base in a uniformly set manner, and thus pretreatment each food to be tested corresponding to each type of food to obtain each component to be tested corresponding to each type of food, and the specific processing method is:

[0026] 103-1-1: Perform the extraction, purification and concentration operations on the foods to be tested corresponding to the various types of foods according to the set extraction, purification and concentration methods to obtain the components to be tested corresponding to the various types of foods;

[0027] 103-1-2: Detect the components to be tested corresponding to various types of food according to the set pesticide residue detection method to obtain the detection result parameters of the components to be tested corresponding to various types of food; wherein the detection result parameters of the components to be tested corresponding to various types of food are specifically: various types of residual pesticides and residual amounts of various types of residual pesticides in the components to be tested corresponding to various types of food.

[0028] As a further improvement of the present invention, the characteristic parameter acquisition unit is used to acquire characteristic parameters of pesticide residues of various types of food corresponding to the current batch of the production base, and the specific process is as follows:

[0029] 103-2-1: Extract the residual amount of various types of pesticides in various components to be tested corresponding to various types of food from the test result parameters of various components to be tested corresponding to various types of food At the same time, the maximum residue limits M corresponding to various types of residual pesticides are extracted from the storage s ', k represents the number of each component to be tested, k = 1, 2, ..., l, l is the total number of the numbers of each component to be tested; s represents the number of each type of residual pesticide, s = 1, 2, ..., t, t is the total number of the numbers of each type of residual pesticide;

[0030] 103-2-2: Compare and analyze the residues of various types of pesticide residues in various tested components corresponding to various types of food with the corresponding maximum residue limits of various types of pesticide residues. If the residues of a certain type of pesticide residue in a tested component corresponding to a certain type of food is greater than the set maximum residue limit of the pesticide residue, the pesticide residue of the tested component corresponding to the food is judged to be excessive; otherwise, the pesticide residue of the tested component corresponding to the food is judged to be within the limit;

[0031] 103-2-3: The number of pesticide residues exceeding the standard and the number of pesticide residues not exceeding the standard in each tested component of each type of food are statistically obtained, thereby forming the characteristic parameters of pesticide residues in each batch of food of the production base corresponding to the current batch;

[0032] The matching analysis unit is used to analyze the matching assessment index of the pesticide residue limit corresponding to the current batch of various types of food in the production base. The specific analysis method is as follows:

[0033] 103-3-1: Extract the number of excessive pesticide residues and the number of unexceeded pesticide residues of each component to be tested corresponding to each type of food from the characteristic parameters of pesticide residues in the current batch of each type of food in the production base, and mark them as

[0034] 103-3-2: Based on the formula Calculate the pesticide residue limit matching assessment index XP corresponding to the current batch of various types of food in the production base i , d1 and d2 represent the set proportional factors respectively.

[0035] 104. Pesticide residue assessment and analysis: Analyze the pesticide residue levels of various types of food in the current batch corresponding to the production base to obtain the pesticide residue levels of various types of food in the current batch corresponding to the production base.

[0036] As a further improvement of the present invention, the pesticide residue levels of various types of food corresponding to the current batch of the production base are analyzed, and the specific analysis steps are as follows:

[0037] 104-1: Comprehensively analyze the pesticide impact index, pesticide residue degradation assessment index, and pesticide residue limit matching assessment index corresponding to the current batch of various types of food at the production base to obtain the pesticide residue assessment coefficient for the current batch of various types of food at the production base;

[0038] 104-2: Match the pesticide residue assessment coefficient of the production base corresponding to the current batch of various types of food with the pesticide residue assessment coefficient threshold corresponding to each set pesticide residue level to obtain the pesticide residue level of the production base corresponding to the current batch of various types of food.

[0039] 105. Display: Display the pesticide residue levels of various types of food in the current batch at the production base accordingly.

[0040] The second aspect of the present invention provides a detection system for pesticide residue food, comprising:

[0041] The pesticide application impact analysis module is used to extract the historical pesticide application parameters of the production base corresponding to the current batch of various types of food during the growth and production process from the storage, and based on this, analyze the pesticide application impact index corresponding to the current batch of various types of food in the production base, and obtain the pesticide application impact index corresponding to the current batch of various types of food in the production base;

[0042] Pesticide residue degradation analysis module: used to analyze the pesticide residue degradation rate evaluation index corresponding to the current batch of various types of food in the production base, and obtain the pesticide residue degradation rate evaluation index corresponding to the current batch of various types of food in the production base;

[0043] The pesticide residue detection and analysis module is used to obtain and analyze the pesticide residue parameters of various types of food corresponding to the current batch of the production base, and obtain the matching evaluation index of the pesticide residue limit of various types of food corresponding to the current batch of the production base, wherein the pesticide residue detection and analysis module includes a preprocessing unit, a characteristic parameter acquisition unit and a matching analysis unit;

[0044] The pesticide residue assessment and analysis module is used to analyze the pesticide residue levels of various types of food in the current batch corresponding to the production base, and obtain the pesticide residue levels of various types of food in the current batch corresponding to the production base.

[0045] The display terminal is used to display the pesticide residue levels of various types of food in the current batch at the production base.

[0046] The storage repository is used to store the historical pesticide application parameters during the growth and production process of the current batch of various types of food corresponding to the production base, store the harvest time points of the current batch of various types of food corresponding to the production base, store the varieties of the current batch of various types of food corresponding to the production base, store the suitable temperature, suitable humidity, suitable light intensity, suitable soil organic matter content corresponding to the growth environment of the current batch of various types of food corresponding to the production base, and store the maximum residue limits corresponding to various types of residual pesticides.

[0047] Beneficial effects of the present invention:

[0048] The present invention analyzes the pesticide application impact index corresponding to the current batch of various types of food in the production base based on the historical pesticide application parameters of the current batch of various types of food in the production base during the growth and production process, thereby avoiding the impact on food safety caused by improper application of pesticides to a large extent, and providing strong data support for the subsequent pesticide residue analysis and evaluation of the current batch of various types of food in the production base.

[0049] The present invention analyzes the pesticide application method influence index and the growth environment influence index corresponding to the current batch of various types of food in the production base, and then obtains the pesticide residue degradation rate evaluation index corresponding to the current batch of various types of food, and combines the pesticide application method and the growth environment to more comprehensively evaluate the degradation rate of pesticides in food, and then can specifically adjust the pesticide application method and improve the growth environment to reduce the pesticide residue and improve the quality and competitiveness of food.

[0050] The present invention increases the authenticity and effectiveness of food pesticide residue detection and analysis to a certain extent by sampling and testing various types of food corresponding to the current batch of food at the production base, and thereby analyzing the pesticide residue limit matching assessment index corresponding to the current batch of food.

[0051] The present invention realizes a multi-dimensional analysis of foods with pesticide residues by conducting a comprehensive analysis of the pesticide application impact index, pesticide residue degradation rate assessment index and pesticide residue limit matching assessment index corresponding to the current batch of various types of foods at the production base, making the pesticide residue level analysis results of foods more reasonable and reliable, ensuring that foods on the market meet safety standards, protecting the health rights and interests of consumers, and enhancing consumers' trust in food. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] The present invention will be further described below in conjunction with the accompanying drawings.

[0053] Figure 1 It is a flow chart of the method of the present invention.

[0054] Figure 2 It is a system block diagram of the present invention. DETAILED DESCRIPTION

[0055] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0056] See also Figure 1 As shown, the present invention is a method for detecting pesticide residues in food, comprising the following steps:

[0057] 101. Pesticide application impact analysis: Extract the historical pesticide application parameters of the production base corresponding to the current batch of various types of food during the growth and production process from the storage, and based on this, analyze the pesticide application impact index corresponding to the current batch of various types of food in the production base. The specific analysis process is as follows:

[0058] 101-1: Extract the start time and end time of each historical application of pesticides in the growth and production process of various types of food from the historical application parameters of various types of food in the current batch of the production base, and subtract the end time of each historical application of pesticides in the growth and production process of various types of food from the start time to obtain the application duration of each historical application of pesticides in the growth and production process of various types of food, recorded as

[0059] 101-2: Extract the interval between each application and the next application of pesticides in each historical application of pesticides for each type of food in the production base corresponding to the current batch of various types of food during the growth and production process, and record it as the interval duration of the interval segment, and obtain the interval duration of each interval segment in each historical application of pesticides for each type of food, and record it as i represents the number of each type of food, i = 1, 2, ..., m, m is the total number of numbers of each type of food; j represents the number of each historical pesticide application operation, j = 1, 2, ..., n, n is the total number of numbers of each historical pesticide application operation; f represents the number of each interval, f = 1, 2, ..., g, g is the total number of numbers of each interval;

[0060] Among them, the interval duration of each interval in each historical pesticide application operation corresponding to each type of food is specifically: the time period between the end time point of each pesticide application operation corresponding to each type of food and the start time point of the next pesticide application operation is called the interval period, that is, the interval duration between the end time point of each pesticide application operation corresponding to each type of food and the start time point of the next pesticide application operation is called the interval duration;

[0061] 101-3: Extract the pesticide concentration and dosage of each historical pesticide application operation in the growth and production process of various types of food from the historical pesticide application parameters of the current batch of various types of food in the production base, and mark them as At the same time, the historical pesticide application operations of various types of food during the growth and production process are counted to obtain the pesticide application frequency of various types of food during the growth and production process, which is recorded as P i ;

[0062] 101-4: Based on the formula Calculate the pesticide impact index YX corresponding to the current batch of various types of food in the production base i , a1, a2, a3, a4, and a5 represent the set weight factors respectively, and α represents the set error correction factor. The specific size is customized according to the actual situation.

[0063] In a specific embodiment, the present invention analyzes the pesticide application impact index corresponding to the current batch of various types of food in the production base based on the historical pesticide application parameters of the current batch of various types of food in the production base during the growth and production process, thereby largely avoiding the impact on food safety caused by improper application of pesticides, and providing strong data support for the subsequent pesticide residue analysis and evaluation of the current batch of various types of food in the production base.

[0064] 102. Pesticide residue degradation analysis: Analyze the pesticide residue degradation rate assessment index corresponding to the current batch of various types of food in the production base. The specific analysis method is as follows:

[0065] 102-1: Extract the end time of the last historical pesticide application operation of various types of food in the growth and production process from the historical pesticide application parameters of the current batch of various types of food in the production base, and extract the harvest time of various types of food in the current batch of the production base from the storage library. Subtract the harvest time of various types of food in the current batch of the production base from the end time of the last historical pesticide application operation of various types of food in the growth and production process, and obtain the harvest interval duration corresponding to the current batch of various types of food in the production base, recorded as T i ;

[0066] 102-2: Extract the varieties corresponding to the current batch of various types of food from the production base from the storage, and compare them with the reference harvest interval duration corresponding to each variety, and obtain the reference harvest interval duration corresponding to the current batch of various types of food from the production base, recorded as T i ';

[0067] 102-3: Extract the last historical pesticide application method of various types of food in the growth and production process from the historical pesticide application parameters of various types of food in the current batch of the production base, match the last historical pesticide application method of various types of food in the current batch of the production base with the set pesticide application influence factors corresponding to each pesticide application method, and obtain the pesticide application influence factors corresponding to the current batch of various types of food in the production base, recorded as ε; wherein each pesticide application method includes but is not limited to spraying, root irrigation, and smearing;

[0068] 102-4: According to the formula Calculate the impact index FS of the pesticide application method corresponding to the current batch of various types of food in the production base i , ΔT i It is represented by the difference in the allowed harvest interval corresponding to the set i-th type of food;

[0069] 102-5: Collect the temperature, humidity, light intensity, and soil organic matter content at each monitoring time point during the growth and production process of the current batch of various types of food at the production base, and calculate the average value to obtain the average temperature, average humidity, average light intensity, and average soil organic matter content during the growth and production process of the current batch of various types of food at the production base. Use this as the temperature, humidity, light intensity, and soil organic matter content corresponding to the growth environment of the current batch of various types of food at the production base, and mark them as wd i 、sd i , gz i , tr i , and collectively referred to as the production base, corresponding to the growth environment conditions of various types of food in the current batch, according to the formula Z i =(wd i×b1+sd i ×b2+gz i ×b3+tr i ×b4)×β calculates the growth environment condition coefficient Z corresponding to the current batch of various types of food in the production base i , b1, b2, b3, b4 represent the set proportional coefficients respectively, β represents the set error correction factor, and the specific size is customized according to the actual situation;

[0070] 102-6: Extract the suitable temperature, humidity, light intensity, and soil organic matter content corresponding to the growth environment of the current batch of various types of food in the production base from the storage, and mark them as wd i '、sd i ', gz i ', tr i ', according to the formula Z i '=(wd i '×b1+sd i '×b2+gz i '×b3+tr i '×b4)×β calculate the suitable growth environment condition coefficient Z corresponding to the current batch of various types of food in the production base i ';

[0071] 102-7: Match the growth environment conditions of the production base corresponding to the current batch of various types of food with the growth environment impact factors corresponding to the set growth environment conditions, and obtain the growth environment impact factors corresponding to the current batch of various types of food in the production base, recorded as σ;

[0072] 102-8: According to the formula Calculate the growth environment impact index HJ corresponding to the current batch of various types of food in the production base i , ΔZ i It is expressed as the difference in the coefficient of the allowable growth environment conditions corresponding to the set i-th type of food;

[0073] 102-9: According to the formula Calculate the pesticide residue degradation rate assessment index JP corresponding to the current batch of various types of food at the production base i , c1 and c2 represent the set evaluation factors.

[0074] In a specific embodiment, the present invention analyzes the pesticide application method influence index and the growth environment influence index corresponding to the current batch of various types of food at the production base, and then obtains the pesticide residue degradation rate evaluation index corresponding to the current batch of various types of food, and combines the pesticide application method and the growth environment to more comprehensively evaluate the degradation rate of pesticides in food, and then can specifically adjust the pesticide application method and improve the growth environment to reduce the pesticide residue and improve the quality and competitiveness of food.

[0075] 103. Pesticide residue detection and analysis: The pesticide residue detection and analysis module is used to obtain and analyze the pesticide residue parameters of various types of food corresponding to the current batch of the production base, and obtain the pesticide residue limit matching evaluation index corresponding to the current batch of various types of food corresponding to the production base. The pesticide residue detection and analysis module includes a preprocessing unit, a characteristic parameter acquisition unit and a matching analysis unit;

[0076] The pretreatment unit is used to select each food to be tested from various types of food corresponding to the current batch of the production base in a uniformly set manner, and thus pretreatment each food to be tested corresponding to each type of food to obtain each component to be tested corresponding to each type of food. The specific processing method is:

[0077] 103-1-1: Perform the extraction, purification and concentration operations on the foods to be tested corresponding to the various types of foods according to the set extraction, purification and concentration methods to obtain the components to be tested corresponding to the various types of foods;

[0078] 103-1-2: Detect the components to be tested corresponding to various types of food according to the set pesticide residue detection method to obtain the detection result parameters of the components to be tested corresponding to various types of food; wherein the detection result parameters of the components to be tested corresponding to various types of food are specifically: various types of residual pesticides and residual amounts of various types of residual pesticides in the components to be tested corresponding to various types of food.

[0079] The characteristic parameter acquisition unit is used to obtain the characteristic parameters of pesticide residues in various types of food corresponding to the current batch of the production base. The specific process is as follows:

[0080] 103-2-1: Extract the residual amount of various types of pesticides in various components to be tested corresponding to various types of food from the test result parameters of various components to be tested corresponding to various types of food At the same time, the maximum residue limits M corresponding to various types of residual pesticides are extracted from the storage s ', k represents the number of each component to be tested, k = 1, 2, ..., l, l is the total number of the numbers of each component to be tested; s represents the number of each type of residual pesticide, s = 1, 2, ..., t, t is the total number of the numbers of each type of residual pesticide;

[0081] 103-2-2: Compare and analyze the residual amount of various types of residual pesticides in each tested component corresponding to each type of food with the corresponding maximum residue limits of various types of residual pesticides. If the residual amount of a certain type of residual pesticide in a tested component corresponding to a certain type of food is greater than the set maximum residue limit of the type of residual pesticide The type of residual pesticide in the tested component corresponding to the type of food is judged to be excessive, otherwise It is determined that the type of residual pesticide in the tested component corresponding to the type of food is within the limit;

[0082] 103-2-3: The number of pesticide residues exceeding the standard and the number of pesticide residues not exceeding the standard in each tested component of each type of food are statistically obtained, thereby forming the characteristic parameters of pesticide residues in each batch of food of the production base corresponding to the current batch;

[0083] The matching analysis unit is used to analyze the matching assessment index of the pesticide residue limit corresponding to the current batch of various types of food in the production base. The specific analysis method is as follows:

[0084] 103-3-1: Extract the number of excessive pesticide residues and the number of unexceeded pesticide residues of each component to be tested corresponding to each type of food from the characteristic parameters of pesticide residues in the current batch of each type of food in the production base, and mark them as

[0085] 103-3-2: Based on the formula Calculate the matching assessment index XP of the pesticide residue limit of each type of food corresponding to the current batch of the production base i , d1 and d2 represent the set proportional factors respectively.

[0086] In a specific embodiment, the present invention increases the authenticity and effectiveness of food pesticide residue detection and analysis to a certain extent by sampling and testing various types of food corresponding to the current batch of food at the production base, and thereby analyzing the pesticide residue limit matching assessment index corresponding to the current batch of various types of food.

[0087] 104. Pesticide residue assessment and analysis: Analyze the pesticide residue levels of various types of food in the current batch at the production base. The specific analysis steps are as follows:

[0088] 104-1: According to the formula Calculate the pesticide residue assessment coefficient λ corresponding to the current batch of various types of food at the production base i , w1, w2, w3 represent the set exponential factors respectively;

[0089] 104-2: Match the pesticide residue assessment coefficient of the production base corresponding to the current batch of various types of food with the pesticide residue assessment coefficient threshold corresponding to each set pesticide residue level to obtain the pesticide residue level of the production base corresponding to the current batch of various types of food.

[0090] In a specific embodiment, the present invention realizes a multi-dimensional analysis of foods with pesticide residues by conducting a comprehensive analysis of the pesticide impact index, pesticide residue degradation rate assessment index, and pesticide residue limit matching assessment index corresponding to the current batch of various types of food at the production base, so as to make the analysis results of the pesticide residue level of foods more reasonable and reliable, ensure that foods on the market meet safety standards, protect the health rights and interests of consumers, and enhance consumers' trust in food.

[0091] 105. Display: Display the pesticide residue levels of various types of food in the current batch at the production base accordingly.

[0092] See also Figure 2 As shown, the present invention is a detection system based on pesticide residue food, comprising:

[0093] The pesticide application impact analysis module is used to extract the historical pesticide application parameters of the production base corresponding to the current batch of various types of food during the growth and production process from the storage, and based on this, analyze the pesticide application impact index corresponding to the current batch of various types of food in the production base, and obtain the pesticide application impact index corresponding to the current batch of various types of food in the production base;

[0094] Pesticide residue degradation analysis module: used to analyze the pesticide residue degradation rate evaluation index corresponding to the current batch of various types of food in the production base, and obtain the pesticide residue degradation rate evaluation index corresponding to the current batch of various types of food in the production base;

[0095] The pesticide residue detection and analysis module is used to obtain and analyze the pesticide residue parameters of various types of food corresponding to the current batch of the production base, and obtain the matching evaluation index of the pesticide residue limit of various types of food corresponding to the current batch of the production base, wherein the pesticide residue detection and analysis module includes a preprocessing unit, a characteristic parameter acquisition unit and a matching analysis unit;

[0096] The pesticide residue assessment and analysis module is used to analyze the pesticide residue levels of various types of food in the current batch of the production base, and obtain the pesticide residue levels of various types of food in the current batch of the production base;

[0097] Display terminal, used to display the pesticide residue levels of various types of food in the current batch of the production base;

[0098] The storage repository is used to store the historical pesticide application parameters during the growth and production process of the current batch of various types of food corresponding to the production base, store the harvest time points of the current batch of various types of food corresponding to the production base, store the varieties of the current batch of various types of food corresponding to the production base, store the suitable temperature, suitable humidity, suitable light intensity, suitable soil organic matter content corresponding to the growth environment of the current batch of various types of food corresponding to the production base, and store the maximum residue limits corresponding to various types of residual pesticides.

[0099] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A method for detecting pesticide residues in food, characterized in that: include:

101. Pesticide application impact analysis: extract the historical pesticide application parameters of the production base corresponding to the current batch of various types of food during the growth and production process from the storage, and based on this, analyze the pesticide application impact index corresponding to the current batch of various types of food in the production base, and obtain the pesticide application impact index corresponding to the current batch of various types of food in the production base; The specific analysis process of analyzing the pesticide impact index corresponding to the current batch of various types of food in the production base is as follows: 101-1: Extract the start time and end time of each historical application of pesticides in the growth and production process of various types of food from the historical application parameters of various types of food in the current batch of the production base, and subtract the end time of each historical application of pesticides in the growth and production process of various types of food from the start time to obtain the application duration of each historical application of pesticides in the growth and production process of various types of food, recorded as 101-2: Extract the interval between each application and the next application of pesticides in each historical application of pesticides for each type of food in the production base corresponding to the current batch of various types of food during the growth and production process, and record it as the interval duration of the interval segment, and obtain the interval duration of each interval segment in each historical application of pesticides for each type of food, and record it as i represents the number of each type of food, i = 1, 2, ..., m, m is the total number of numbers of each type of food; j represents the number of each historical pesticide application operation, j = 1, 2, ..., n, n is the total number of numbers of each historical pesticide application operation; f represents the number of each interval, f = 1, 2, ..., g, g is the total number of numbers of each interval; 101-3: Extract the pesticide concentration and dosage of each historical pesticide application operation in the growth and production process of various types of food from the historical pesticide application parameters of the current batch of various types of food in the production base, and mark them as At the same time, the historical pesticide application operations of various types of food during the growth and production process are counted to obtain the pesticide application frequency of various types of food during the growth and production process, which is recorded as P i ; 101-4: Based on the formula Calculate the pesticide impact index YX corresponding to the current batch of various types of food in the production base i , a1, a2, a3, a4, a5 represent the set weight factors respectively, and α represents the set error correction factor; 102. Pesticide residue degradation analysis: Analyze the pesticide residue degradation rate assessment index corresponding to the current batch of various types of food at the production base to obtain the pesticide residue degradation rate assessment index corresponding to the current batch of various types of food at the production base; The specific analysis method for analyzing the pesticide residue degradation rate assessment index corresponding to the current batch of various types of food in the production base is as follows: 102-1: Extract the end time of the last historical pesticide application operation of various types of food in the growth and production process from the historical pesticide application parameters of the current batch of various types of food in the production base, and extract the harvest time of various types of food in the current batch of the production base from the storage library. Subtract the harvest time of various types of food in the current batch of the production base from the end time of the last historical pesticide application operation of various types of food in the growth and production process, and obtain the harvest interval duration corresponding to the current batch of various types of food in the production base, recorded as T i ; 102-2: Extract the varieties corresponding to the current batch of various types of food from the production base from the storage, and compare them with the reference harvest interval duration corresponding to each variety, and obtain the reference harvest interval duration corresponding to the current batch of various types of food from the production base, recorded as T i '; 102-3: Extract the last historical pesticide application method of each type of food in the growth and production process from the historical pesticide application parameters of the current batch of various types of food in the production base, match the last historical pesticide application method of the current batch of various types of food in the production base with the set pesticide application influence factors corresponding to each pesticide application method, and obtain the pesticide application influence factors corresponding to the current batch of various types of food in the production base, recorded as ε; 102-4: According to the formula Calculate the impact index FS of the pesticide application method corresponding to the current batch of various types of food in the production base i , ΔT i It is represented by the allowable harvest interval difference corresponding to the i-th type of food; 102-5: Collect the temperature, humidity, light intensity, and soil organic matter content at each monitoring time point during the growth and production process of the current batch of various types of food at the production base, and calculate the average value to obtain the average temperature, average humidity, average light intensity, and average soil organic matter content during the growth and production process of the current batch of various types of food at the production base. Use this as the temperature, humidity, light intensity, and soil organic matter content corresponding to the growth environment of the current batch of various types of food at the production base, and mark them as wd i 、sd i , gz i , tr i , and collectively referred to as the production base, corresponding to the growth environment conditions of various types of food in the current batch, according to the formula Z i =(wd i ×b1+sd i ×b2+gz i ×b3+tr i ×b4)×β calculates the growth environment condition coefficient Z corresponding to the current batch of various types of food in the production base i , b1, b2, b3, b4 represent the set proportional coefficients respectively, and β represents the set error correction factor; 102-6: Extract the suitable temperature, humidity, light intensity, and soil organic matter content corresponding to the growth environment of the current batch of various types of food in the production base from the storage, and mark them as wd i '、sd i ', gz i ', tr i ', according to the formula Z i '=(wd i '×b1+sd i '×b2+gz i '×b3+tr i '×b4)×β calculate the suitable growth environment condition coefficient Z corresponding to the current batch of various types of food in the production base i '; 102-7: Match the growth environment conditions of the production base corresponding to the current batch of various types of food with the growth environment impact factors corresponding to the set growth environment conditions, and obtain the growth environment impact factors corresponding to the current batch of various types of food in the production base, recorded as σ; 102-8: According to the formula Calculate the growth environment impact index HJ corresponding to the current batch of various types of food in the production base i , ΔZ i It is expressed as the difference in the coefficient of the allowable growth environment conditions corresponding to the set i-th type of food; 102-9: According to the formula Calculate the pesticide residue degradation rate assessment index JP corresponding to the current batch of various types of food at the production base i , c1 and c2 represent the set evaluation factors; 103. Pesticide residue detection and analysis: The pesticide residue detection and analysis module is used to obtain and analyze the pesticide residue parameters of various types of food corresponding to the current batch of the production base, and obtain the pesticide residue limit matching evaluation index corresponding to the current batch of various types of food corresponding to the production base. The pesticide residue detection and analysis module includes a preprocessing unit, a characteristic parameter acquisition unit and a matching analysis unit; The pretreatment unit is used to select each food to be tested from various types of food corresponding to the current batch of the production base in a uniformly set manner, and thus pretreatment each food to be tested corresponding to each type of food to obtain each component to be tested corresponding to each type of food. The specific processing method is: 103-1-1: Perform the extraction, purification and concentration operations on the foods to be tested corresponding to the various types of foods according to the set extraction, purification and concentration methods to obtain the components to be tested corresponding to the various types of foods; 103-1-2: Detect the components to be tested corresponding to various types of food according to the set pesticide residue detection method to obtain the test result parameters of the components to be tested corresponding to various types of food; The characteristic parameter acquisition unit is used to acquire the characteristic parameters of pesticide residues of various types of food corresponding to the current batch of the production base, and the specific process is as follows: 103-2-1: Extract the residual amount of various types of pesticides in various components to be tested corresponding to various types of food from the test result parameters of various components to be tested corresponding to various types of food At the same time, the maximum residue limits M corresponding to various types of residual pesticides are extracted from the storage s ', k represents the number of each component to be tested, k = 1, 2, ..., l, l is the total number of the numbers of each component to be tested; s represents the number of each type of residual pesticide, s = 1, 2, ..., t, t is the total number of the numbers of each type of residual pesticide; 103-2-2: Compare and analyze the residues of various types of pesticide residues in various tested components corresponding to various types of food with the corresponding maximum residue limits of various types of pesticide residues. If the residues of a certain type of pesticide residue in a tested component corresponding to a certain type of food is greater than the set maximum residue limit of the pesticide residue, the pesticide residue of the tested component corresponding to the food is judged to be excessive; otherwise, the pesticide residue of the tested component corresponding to the food is judged to be within the limit; 103-2-3: The number of pesticide residues exceeding the standard and the number of pesticide residues not exceeding the standard in each tested component of each type of food are statistically obtained, thereby forming the characteristic parameters of pesticide residues in each batch of food of the production base corresponding to the current batch; The matching analysis unit is used to analyze the matching assessment index of the pesticide residue limit corresponding to the current batch of various types of food in the production base, and the specific analysis method is as follows: 103-3-1: Extract the number of excessive pesticide residues and the number of unexceeded pesticide residues of each component to be tested corresponding to each type of food from the characteristic parameters of pesticide residues in the current batch of each type of food in the production base, and mark them as k represents the number of each component to be tested, k=1, 2, ..., l, l is the total number of the numbers of the components to be tested; 103-3-2: Based on the formula Calculate the pesticide residue limit matching assessment index XP corresponding to the current batch of various types of food in the production base i , d1 and d2 represent the set proportional factors respectively; 104. Pesticide residue assessment and analysis: Analyze the pesticide residue levels of various types of food in the current batch corresponding to the production base to obtain the pesticide residue levels of various types of food in the current batch corresponding to the production base; The specific analysis steps for analyzing the pesticide residue levels of various types of food in the current batch of the production base are as follows: 104-1: According to the formula Calculate the pesticide residue assessment coefficient λ corresponding to the current batch of various types of food at the production base i , w1, w2, w3 represent the set exponential factors respectively; 104-2: Match the pesticide residue assessment coefficients of the production base corresponding to the current batch of various types of food with the pesticide residue assessment coefficient thresholds corresponding to the set pesticide residue levels to obtain the pesticide residue levels of the production base corresponding to the current batch of various types of food; 105. Display: Display the pesticide residue levels of various types of food in the current batch at the production base accordingly.

2. A detection system based on pesticide residue food, characterized in that: The method for detecting pesticide residues in food according to claim 1 comprises: The pesticide application impact analysis module is used to extract the historical pesticide application parameters of the production base corresponding to the current batch of various types of food during the growth and production process from the storage, and based on this, analyze the pesticide application impact index corresponding to the current batch of various types of food in the production base, and obtain the pesticide application impact index corresponding to the current batch of various types of food in the production base; Pesticide residue degradation analysis module: used to analyze the pesticide residue degradation rate evaluation index corresponding to the current batch of various types of food in the production base, and obtain the pesticide residue degradation rate evaluation index corresponding to the current batch of various types of food in the production base; The pesticide residue detection and analysis module is used to obtain and analyze the pesticide residue parameters of various types of food corresponding to the current batch of the production base, and obtain the matching evaluation index of the pesticide residue limit of various types of food corresponding to the current batch of the production base, wherein the pesticide residue detection and analysis module includes a preprocessing unit, a characteristic parameter acquisition unit and a matching analysis unit; The pesticide residue assessment and analysis module is used to analyze the pesticide residue levels of various types of food in the current batch of the production base, and obtain the pesticide residue levels of various types of food in the current batch of the production base; Display terminal, used to display the pesticide residue levels of various types of food in the current batch of the production base; The storage repository is used to store the historical pesticide application parameters during the growth and production process of the current batch of various types of food corresponding to the production base, store the harvest time points of the current batch of various types of food corresponding to the production base, store the varieties of the current batch of various types of food corresponding to the production base, store the suitable temperature, suitable humidity, suitable light intensity, suitable soil organic matter content corresponding to the growth environment of the current batch of various types of food corresponding to the production base, and store the maximum residue limits corresponding to various types of residual pesticides.

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