230results about "Testing dairy products" patented technology

To provide an evaluation method of flavor degradation of container-packed milk at the time of being stored at a room temperature.SOLUTION: A milk flavor evaluation method includes a quantification step of quantifying (Z)-6-dodecene-4-olide. The milk may be milk stored at 15 to 40°C. The quantification step may be a step of quantifying a content of (Z)-6-dodecene-4-olide contained in the milk by a GC-MS method.SELECTED DRAWING: None

The invention relates to the technical field of food microorganism detection, and discloses a real-time detection method for microbial pollution of normal-temperature pure goat milk. The method comprises the following steps: dividing a target goat milk sample into a plurality of detection units representing independent production batches, collecting microbiological detection data, physicochemical property data and spectral characteristic data of each unit, and integrating to form a multi-source detection data set; and constructing a pollution risk scoring index and a quality stability evaluation index based on the data set, and dynamically generating an initial pollution risk value through an early warning trigger mechanism and model operation. And dynamically correcting the initial pollution risk value according to the time sequence correlation of the adjacent detection units to generate a corrected risk value. And performing sorting processing on the corrected risk values, creating a risk level priority form, and connecting a real-time monitoring platform to perform visual display and alarm output. According to the method, multi-source data fusion analysis is realized, high-risk batches can be identified in time, and an efficient means is provided for quality control of normal-temperature pure goat milk.

A control unit (240) and liquid container (135) of a milk analysis apparatus (120) having a first wireless communication device (210), for communication with a memory device (230) of a liquid container (135). The liquid container (135) is insertable into the milk analysis apparatus, via a second wireless communication device (220) in the liquid container. The control unit (240) is configured to obtain a signal associated with consumed liquid amount of the liquid container, during a liquid extraction session; and transmit information related to the consumed liquid amount via the first wireless communication device, for storage in the memory device of the liquid container.

The utility model provides an automatic test paper tank opening and closing mechanism and a rheological station automatic detection device, and relates to the technical field of automatic detection devices. The automatic test paper tank opening and closing mechanism comprises a supporting base, a test paper storage tank, an uncovering clamping jaw and a first linear module, the first linear module is located on one side of the supporting base, the uncovering clamping jaw is slidably installed on the first linear module to be close to or away from the test paper storage tank, and the test paper storage tank comprises a tank body, a cover body and a flexible block arranged in the tank body; the cover body covers the opening of the tank body, the flexible block is provided with a plurality of slots, a piece of test paper is inserted into each slot, and the cover opening clamping jaw can clamp the cover body to open the test paper storage tank or cover the opening of the tank body with the cover body. Before a robot picks up test paper, the test paper storage tank is opened in advance through the uncovering clamping jaw, so that the robot does not need to open the test paper storage tank, the detection efficiency is improved, meanwhile, the dependence of detection items on manpower is reduced, and the labor cost is reduced.

The invention provides a dairy product similarity quantitative evaluation method and system, and belongs to the technical field of data processing, and the method comprises the steps: obtaining the content value of each nutrient substance in a dairy product to be evaluated, the influence weight used for representing the importance degree of each nutrient substance, and the content fluctuation range of each nutrient substance in a reference dairy product; for any nutrient substance, obtaining a weighted deviation value according to the content value, the content fluctuation range and the influence weight; the weighted deviation value is used for representing the content deviation degree of the dairy product to be evaluated and the reference dairy product on the nutrient substances; and according to all the weighted deviation values, determining a final similarity score of the to-be-evaluated dairy product and the reference dairy product. According to the method, the importance of each nutrient substance and the content fluctuation range of the nutrient substance in the reference dairy product are considered, the weighted deviation value of each nutrient substance in the dairy product to be evaluated is calculated, and the final similarity score is determined, so that the evaluation accuracy of the similarity of the dairy product is improved.

The invention relates to a color-changing smart indicator (A) to be used in packaging in the food industry.

An ultrasonic transducer is described, including a piezoelectric element, a fluid medium contact layer, a matching layer between the piezoelectric element and the fluid medium contact layer, and a backing layer. Ultrasound sensor devices utilising the ultrasonic transducer are also described, for use in systems for analysing a fluid such as milk.

A method for categorising cheese, comprises: exposing a surface of the cheese to light; collecting spectral data from the surface of the cheese for at least two, at least three, or at least four wavel

Provided is a computer implemented method and systems for assessing the risk of phage infection in a fermented dairy product manufacturing process. The method comprises steps of receiving a plurality of predetermined fermented dairy product manufacturing conditions and inputting the plurality of predetermined fermented dairy product manufacturing conditions into a model to generate a coagulation state. Furthermore, the method comprises outputting the phage score generated by the model, and optionally determining means and / or actions to minimize the risk pf phage infections.

Systems and methods for analysing a fluid are disclosed, including a fluid sample delivery apparatus. The system includes a sensing element configured to respond to at least one analyte in a sample of fluid. A detector is provided, configured to sense the response to the analyte by the sensing element. The fluid sample delivery apparatus includes a dosage needle configured to deliver the sample of fluid to the sensing element, at least one pump configured to control flow of fluid through the dosage needle, and at least one actuator configured to move the dosage needle relative to the sensing element. At least one controller is provided, configured to control the at least one pump and the at least one actuator.

A control unit (240) and configuration tag (125) of a milk analysis apparatus (120) includes a first wireless communication device (310), for communication with a memory device (330) of the configuration tag. The configuration tag is applicable to the milk analysis apparatus and includes a reference sign (115) of a milk extracting arrangement (110) to which the milk analysis apparatus is intended to work in conjunction with. The communication is made via a second wireless communication device (320) comprised in the configuration tag. The control unit (340) is configured to retrieve, via the first wireless communication device, configuration data of the milk extracting arrangement that the milk analysis apparatus is intended to operate in conjunction with, from the memory device of the configuration tag; and to configure the control unit, based on the retrieved configuration data of the milk extracting arrangement.

The utility model relates to the technical field of oxygen content detection equipment, and discloses an oxygen content detection device in the fermentation process of dairy products, which comprises a fermentation tank body, a discharge valve is arranged at the bottom of the fermentation tank body, a mounting plate is arranged on the outer side of the fermentation tank body, and a support column is arranged at the bottom of the mounting plate. A tank cover is arranged at the top of the fermentation tank body, a fixing frame is arranged at the top of the mounting plate, an oxygen detector body is arranged at the bottom of the fixing frame, and a detection control mechanism which penetrates into the fermentation tank body and is communicated with the fermentation tank body is arranged in the fixing frame; the top of the fixing frame is provided with a plugging assembly penetrating into the detection control mechanism. According to the oxygen content detection device in the fermentation process of the milk-containing product, a user can effectively and conveniently detect the oxygen content in the fermentation process of the milk-containing product, the detection effect and accuracy of the device are effectively improved, and the device is convenient to use by the user.

Measuring system for measuring the proportion of curds and whey in a mixture of whey and curds, which comprises a sensor system and a control system, the sensor system comprising at least one light emitting element and at least one light receiving sensor, the at least one emitting element emitting a light signal, said light signal being received by at least one receiving sensor of the measuring system, the system being configured such that the signal received by the receiving sensor of the pair of sensors is transmitted to the control system in order to determine a proportion of curds in the mixture on the basis of the value of said signal.

The invention discloses a preparation method of an MOF material for food detection, and relates to the technical field of food detection materials. The MOF material for food detection comprises the following raw materials in parts by weight: 15-25 parts of zinc nitrate, 12-18 parts of modified terephthalic acid, 8-12 parts of 2-aminoterephthalic acid, 10-14 parts of cobalt nitrate hexahydrate and 180-220 parts of N, N-dimethylformamide. The graphene quantum dot / graphene quantum dot composite material is prepared from the following raw materials in parts by weight: 100 parts of N, N-dimethylformamide, 130 to 170 parts of absolute ethyl alcohol, 180 to 220 parts of deionized water, 4 to 6 parts of polyvinylpyrrolidone, 0.008 to 0.012 part of modified graphene quantum dots, 4 to 6 parts of mercaptopropionic acid, 2 to 4 parts of dopamine, 1.5 to 2.5 parts of aminated multi-walled carbon nanotubes, 7 to 11 parts of triethylamine, 1 to 3 parts of montmorillonite nanosheets, 0.5 to 1.5 parts of gold nanoparticles and 2 to 4 parts of chitosan. The MOF material prepared by the invention is endowed with high selectivity, high sensitivity, quick response and strong stability through deep modification of terephthalic acid and graphene quantum dots. By combining a multi-step composite process, the material can be used for widely detecting various harmful substances such as heavy metals and pesticide residues, is adaptive to complex food matrixes and has industrial application potential.

Described herein is an in-line sensor for sensing properties of a pulsed milk flow on a continuous basis. A milking cluster comprising multiple pulsed milk flow inputs from lactating animal teats and a mixing point or claw for the multiple inputs is described that includes multiple in-line sensors for each pulsed milk flow input. Methods of use of the in-line sensor and milking cluster are also described. The in-line sensor described may be easily integrated into existing milking apparatus, is reliable, has a low cost, and is self-cleaning / self- emptying.

An apparatus (100) for evaluating the performance of a milk dispensing device (105) / lateral flow stick (110). The apparatus (100) comprises a lateral flow stick (110) configured to indicate biomarkers in a milk sample. The lateral flow stick (110) comprises a sample pad (210), a conjugate pad (230), a display zone (250), and a porous membrane (240). The milk sample is applied to the sample pad (210). A camera (120) is oriented to capture an image (300) of the lateral flow stick (110). A controller (130) is configured to instruct the camera (120) to capture the image (300), receive the captured image (300), define a first region (310) of the image (300) of the lateral flow stick (110) that substantially depicts a sub-section of the porous membrane (240) upstream of the display zone (250) in the flow direction, apply image processing to the first region (310), and evaluate the performance of the milk dispensing device (105) based on the image processing.

The present invention relates to a novel detection system for amine compounds for monitoring the storage state of food products.

A sensor device (100) measures an electric conductivity and / or impedance of a fluid in a measurement chamber (160) made of a non-conducting material. Measurement electrode pairs (110, 120) are arranged in the measurement chamber (160) to make electrical contact with the fluid in the measurement chamber (160). A processing unit supplies a probing signal to the measurement electrode pairs (110, 120) and determines the conductivity and / or impedance of the fluid in the measurement chamber (160) based on at least one resulting signal obtained via the measurement electrode pairs (110, 120). A printed circuit board (150) has respective conductive traces that connect each electrode in the measurement electrode pairs (110, 120) electrically with the proces-sing unit. Specifically, a respective deformable element (231) is arranged to connect each of the electrodes electrically with the respective conductive trace. The respective deformable element (231) is configured to be compressed by a respective connector member of the respective electrode (111) when assembled in a housing of the sensor device (100).

The application relates to the technical field of biological detection, and particularly relates to a sample processing liquid and application thereof in ELISA detection of milk and milk products. The sample processing liquid comprises the following components in percentage by weight: 2-3% of ethylenediaminetetraacetic acid disodium salt dihydrate; 0.075-0.125% of trichloroacetic acid; 10-30% of methanol; and the balance is ultrapure water; and the sample is milk and milk products. The sample processing liquid provided by the application can efficiently and conveniently reduce the matrix interference of milk and milk products in ELISA detection, so that the accuracy, precision and recovery rate of detection can be significantly improved.

A dairy solution analysis method (100A), a portable dairy solution analysis device (100B), a dairy solution analysis system (500), an electronic device (600) for dairy solution analysis, and a computer readable storage medium. The dairy solution analysis method (100A) comprises: operation I (101), testing a test value of at least one index of a dairy solution with a test paper based on a chromogenic biochemical testing method; and operation II (102), outputting the analysis result of the dairy solution based on the test value of the at least one index of the dairy solution. The portable dairy solution analysis device (100B) comprises a tester (110) configured to execute operation I (101); and a processor (120) configured to execute operation II (102). The portable dairy solution analysis device (100B) is miniaturized and handheld, and is easy to operate, and a user can complete the whole dairy solution testing process at home. The dairy solution analysis method (100A) facilitates the user to understand the situation of the dairy solution, adjust the dietary structure according to the actual situation, and provide a healthier infant feeding method, thereby improving the user experience.

Disclosed herein are methods and systems for rapid detection of microorganisms such as Listeria spp. in a sample. A genetically modified bacteriophage is also disclosed which comprises an indicator gene in the late gene region. The specificity of the bacteriophage, such as Listeria-specific bacteriophage, allows detection of a specific microorganism, such as Listeria spp. and an indicator signal may be amplified to optimize assay sensitivity.

The invention discloses a method for analyzing the impurity degree of a material, and relates to the technical field of measurement methods. The method comprises the following steps: mixing a material and a dispersion liquid according to a predetermined mass ratio to obtain a first mixed solution, filtering the first mixed solution with a predetermined volume, and recording the filtering time required by filtering and the volume of the obtained filtrate; correspondingly calculating the passing rate of the filtrate and the passing rate per unit time by utilizing the preset volume, the filtering time and the volume of the filtrate, and carrying out impurity degree grading on the material based on the passing rate of the filtrate and the passing rate per unit time; according to the method, objective grading of the impurity degree of the material is realized through the passing rate of the filtrate and the passing rate per unit time, subjective comparison judgment is canceled, and the grading result cannot be influenced by personal errors of an operator.

A device comprising a milk channel is disclosed. The milk channel has a first part and a second part, wherein a first value of at least one optical property of the first part is different than a second value of the optical property of the second part.

This invention provides a composition for determining unpleasant flavors derived from milk proteins and a composition for simulating unpleasant flavors derived from milk proteins. [Solution] A composition for determining unpleasant flavors derived from milk protein, containing one or more compounds selected from group A below, and a pseudo-unpleasant flavor composition of milk protein, containing one or more compounds selected from group A below. (Group A) 2-Propyl-2-octenal, 2-Pentylpyridine, 2-Butyl-2-octenal

The present invention relates to an in-line method of galactooligosaccharide (GOS) quantification while preparing a dairy product having a high content of GOS fiber, and / or a GOS fiber-enriched dairy product in which the lactose content has also been significantly reduced.

The utility model discloses a residual drug detection device for animal-derived food, which relates to the technical field of detection devices and comprises a drug detection equipment box, a detection chamber is arranged at one end of the top of the drug detection equipment box, and a glass cover is movably mounted at one end of the detection chamber. A control display screen is fixedly installed at the other end of the top of the medicine detection equipment box, a carrying plate is movably installed in the detection chamber, a feeding plate is movably installed at the top of the carrying plate, and limiting mechanisms are arranged on the two sides of one end of the feeding plate. Through mutual cooperation of the baffle, the limiting groove, the movable push block, the connecting plate, the springback column and the spring, the movable push block is manually pushed to move towards the outer side, so that the connecting plate is driven to move out of the limiting groove, the baffle loses the limiting acting force, the top plate and the baffle are pushed in cooperation with the springback force of the springback column and the spring, one end of the baffle is tilted, and the baffle is fixed. Workers can conveniently disassemble and replace the baffle, and better detection of the device is facilitated.

A system for monitoring and controlling application of milk samples to lateral flow test sticks. The system includes a milk dosing assembly with a needle that moves between an application position contacting a test stick and a retracted position. A moveable structure holds and positions the dosing assembly, while a drive unit controls the movement. A controller determines and maintains proper spacing between the needle tip and test stick by comparing measured distances with predetermined values and making adjustments as needed. The system enables accurate and automated application of milk samples for biomarker testing while preventing sample cross-contamination and ensuring proper sample delivery to the test area.

A controller (200) for managing the creation of a sample comprising a mixture of milk and a chemical is disclosed. The controller determines the ratio between milk and chemical based on a predetermined value or the quality criterion of a previous sample in the same milking session. It sends a first control signal to a milk dosing unit (120) and a second control signal to a chemical dosing unit (130) to supply the ingredients according to the ratio, creating the sample. Additionally, the controller sends a signal to an image sensor (210) to capture the sample's image and assess its quality based on somatic cell detection. If the quality criterion is not met, the controller adjusts the ratio and regenerates a subsequent sample during the same milking session.

The application discloses a kind of based on mathematical programming method's milk fat product formula determination method and device, wherein the method includes: obtaining the preset constraint condition of milk fat product formula;With production demand as target, with the kind of raw material to be selected, the amount of raw material to be selected as decision variable, establish objective function;Under the preset constraint condition, the objective function is solved, and a group of decision variables that meet production demand is obtained, and the group of decision variables is used as milk fat product formula.The application can efficiently design milk fat product formula, and the designed formula meets the requirements of production efficiency and cost benefit while meeting the requirements of nutrient content, reduces the dependence of formula design on the experience of practitioners.