188 results about "Food sector" patented technology

The invention discloses staphylococcus xylosus with a lipid degradation function and application of the staphylococcus xylosus in fermented food, and belongs to the field of microorganisms. The invention provides staphylococcus xylosus S3, the staphylococcus xylosus S3 has the capability of degrading lipid, and when the staphylococcus xylosus S3 is fermented in surimi for 48 hours, the acid value and the TBARS value of the fermented surimi can be effectively improved. Therefore, the staphylococcus xylosus S3 can adjust the lipid hydrolysis degree in the fermented surimi to an ideal range, and has broad application prospects in the food industry.

The invention discloses a unique identification management system for food production, belongs to the field of food management, and constructs an innovative solution with high safety, high identification degree and high credibility in the field of food identification through a technical closed loop of artistic design, multi-source data fusion, multistage anti-counterfeiting collaboration and block chain credible evidence storage. And powerful technical support is provided for brand protection, anti-counterfeiting traceability and consumer trust establishment in the food industry.

The invention discloses a food industry customized formula demand processing system, and relates to the field of formula customization, and the system comprises a data construction module which is used for building a raw material basic attribute library storing chemical characteristics corresponding to raw material types and dose threshold intervals, the process parameter library is used for storing process control parameters of a single raw material or a raw material combination in different processing stages, and the template formula library is used for storing historical formulas and flavor labels associated with the historical formulas; the data acquisition module is used for reading a basic dosage range based on a certain raw material type and a processing technology parameter set of a single raw material or a raw material combination through the Internet of Things; subjective preferences of the user are effectively converted into quantitative features, accurate matching and automatic optimization are supported, personalized customization efficiency and matching accuracy are remarkably improved, limitation of traditional experience dependence is broken through, automatic screening and composition of the formula and intelligent adjustment and optimization of process parameters are achieved, and the research and development period is remarkably shortened.

The invention discloses chimeric xylanase XynZT-1-Z5 and a construction method thereof, and relates to the technical field of molecular biology, and the technical key points are as follows: comparing the sequence of xylanase XynZT-1 with the sequence of xylanase from different thermoduric bacteria, analyzing the amino acid conserved site of the xylanase XynZT-1, and replacing the sequence beta5-beta6 of the thermoduric bacteria onto the XynZT-1 to obtain the chimeric xylanase XynZT-1-Z5. The chimeric enzyme XynZT-1-Z5 has efficient overexpression, good solubility and relatively strong temperature and pH stability, is particularly suitable for industrial enzyme catalytic reaction under the conditions of high temperature and extreme pH, and can be widely applied to the food industry, the wine brewing industry, the papermaking industry and the feed industry.

The invention relates to a method by which a starting material for injection molding having a viscosity of between 0.50 and 0.7 dL / g is produced from a recycled post-consumer PET having a viscosity of between 0.72 and 0.86 dL / g according to ASTM D4603 and a copolymer fraction of at most approximately 3%, adding a low-viscosity PET material. In the method, the comminuted and dried PET material is melted and decontaminated to such a degree that it is suitable for applications in the food sector and the consumer goods sector.

The invention discloses a uric acid reducing polypeptide, the polypeptide is derived from a peptide fragment, the'bindingerge 'value of the peptide fragment in molecular docking with xanthine oxidase is less than-1.5 kcal / mol, and the peptide fragment, in molecular docking with the xanthine oxidase, of the polypeptide is derived from a Peptide Ranker biological activity score gt; and 0.7 of a polypeptide. The uric acid reducing polypeptide is obtained by screening natto powder subjected to pepsin enzymolysis, natto powder enzymatic hydrolysate obtained through enzymolysis has the activity of inhibiting xanthine oxidase, the screened uric acid reducing polypeptide can be developed into a uric acid reducing medicine, and active ingredients are added into functional food and health food, so that the uric acid reducing polypeptide has a good application prospect. Good market prospects are realized in medicine and food industries.

The invention belongs to the technical field of food safety detection, and particularly relates to an intelligent food pathogenic bacterium detection method based on bimodal sensing fusion and an application device thereof. According to the method, the advantages of electricity and colorimetric bimodal sensing for cooperatively detecting food pathogenic bacterium metabolism volatile organic compounds (VOCs) are creatively integrated, a bimodal detection fusion model is constructed, environmental interference factors are eliminated through a compensation algorithm, and recognition of food pathogenic bacteria is achieved in combination with an artificial intelligence algorithm. The application device comprises a metabolic VOCs acquisition unit, a bimodal sensing unit, an environmental parameter acquisition unit, a display and early warning unit, an intelligent processing unit and a man-machine interaction terminal. Wherein the bimodal sensing unit of the device can synchronously obtain electrical response and color change information of food pathogenic bacteria metabolism VOCs, a detection result is output after algorithm processing, and then reliable identification, real-time early warning and intelligent monitoring of the food pathogenic bacteria are achieved. The bimodal sensing fusion food pathogenic bacterium intelligent detection method and the application device thereof provide an efficient solution for food safety monitoring, and have wide application prospects in the fields of food industry and public health.

The invention discloses an algin composite membrane which is prepared by the following steps: adding 0.8-1.2 g of algin, 0.8-1.2 g of hydroxypropyl methyl cellulose, 0.8-1.2 mL of glycerol, 0.4-0.6 g of titanium dioxide and 0.8-1.2 g of polylysine into water, uniformly mixing, fixing the volume, putting into a container, drying, immersing into a CaCl2 solution for crosslinking treatment, and drying, thereby obtaining the algin composite membrane. The algin composite film can be used as or used for preparing a food preservative film. The algin composite film disclosed by the invention realizes good balance between strength and ductility, has good antioxidant capacity and remarkable antibacterial effect, and can effectively enhance the antioxidant defense capacity of the cape gooseberries, reduce oxidative damage, prolong the storage period and improve the fresh-keeping effect of the cape gooseberries. According to the method, the economic value of the sargassum is favorably improved, and powerful support is provided for sustainable development of the food industry.

The present invention discloses a flotation separation method for inhibiting molybdenite and galena in the flotation of chalcopyrite, realizing the efficient separation of chalcopyrite from molybdenite and galena, and belonging to the technical field of mineral separation. During the flotation separation process, under the conditions of a pH of 4 - 10, an inhibitor dosage of 50 - 200 mg / L, a collector Z-200 dosage of 20 - 40 mg / L, and an MIBC / No. 2 oil dosage of 10 - 20 mg / L, a flotation process of first bulk flotation and then concentrate separation is adopted; Quercetin is widely present in nature and is currently mainly used in the food industry and the clinical industry. It can be obtained by plant extraction and is an ideal inhibitor for molybdenite and galena; Under these process conditions, quercetin inhibits the floatability of molybdenite and galena, realizing the effective separation of copper-molybdenum and copper-lead. This method has advantages such as a wide applicable pH range, good separation effect, and environmental friendliness, and has broad prospects for popularization and application.

The invention discloses a method for preparing high-nutrition oil gel from a soybean protein typing aggregate-hyaluronic acid compound, and belongs to the technical field of food processing. The method comprises the following steps: (1) preparing a soybean protein typing aggregate; (2) preparing a hyaluronic acid solution; (3) preparing a soybean protein typing aggregate-hyaluronic acid compound; and (4) preparing the oil gel. The oleogel with high nutrition, good stability and better structural performance and water-retaining property is prepared by fully utilizing the structural and functional advantages of the protein parting aggregate and the hyaluronic acid, so that the effective application of the oleogel prepared from the soybean protein isolate in the food industry is enhanced. The oil gel is simple and convenient in preparation step, high in efficiency, environment-friendly and suitable for being used in actual continuous production.

The invention discloses a carbon quantum dot-polyvinylpyrrolidone-starch composite film as well as a preparation method and application thereof, and belongs to the technical field of preparation of food packaging fresh-keeping materials. According to the invention, the bagasse carbon quantum dots, polyvinylpyrrolidone and starch are used as raw materials, and the bagasse carbon quantum dots are prepared under the action of a plasticizer; wherein the mass ratio of the bagasse carbon quantum dots is 0.05 to 0.25 percent, the mass ratio of the polyvinylpyrrolidone is 0.5 to 2.5 percent, the mass ratio of the starch is 0.5 to 2.5 percent, and the mass ratio of the plasticizer is 0.5 to 1 percent; the carbon quantum dots are prepared from waste bagasse of a sugar refinery. The advantages of the carbon dots and degradable materials (polyvinylpyrrolidone, starch, water and glycerol) are combined, a new packaging material (with the characteristics of antibiosis, ultraviolet resistance, oxidation resistance, biodegradability and the like) is developed for the food industry, and the value of the waste biomass bagasse is improved.

The invention discloses an application of two collagen peptides with hematopoietic activity, a collagen hydrolysate containing the collagen peptides and a compound of the collagen peptides. The collagen peptides with hematopoietic activity, the collagen hydrolysate containing the collagen peptides and the compound of the collagen peptides comprise one or a combination of the following polypeptides: 1) a polypeptide of GSAGPpGATGFpGAAGR (p is hydroxyproline), and 2) a polypeptide of which the amino acid sequence is GAAGLpGPK (p is hydroxyproline). The invention also provides a preparation method and application of the collagen peptide with hematopoietic activity and the collagen hydrolysate containing the collagen peptide, the two collagen peptides with hematopoietic activity and the compound thereof have good hematopoietic activity and an effect of relieving hematopoietic inhibition, are non-toxic, can be easily used as functional factors to be added into various health-care foods, and have good health-care effects. Good market prospects are realized in medicine and food industries.

Disclosed is a method for producing aluminum alloy materials suitable for use in the food industry including processing of a liquid metal mixture having strontium in addition to aluminum by the twin roll continuous casting technique.

The present invention relates to a production line (10) for the portioning and weighing of pasty products, especially kashar cheese, placing them in multiple molds (15) and transporting these multiple molds (15) in the production of pasty foods, and to a production method. The production line (10) and production method, which are the subject of the invention provide a significant improvement in the food sector by offering many advantages such as minimizing hygiene problems, increasing space efficiency, reducing manpower needs and saving energy.

The invention belongs to the technical field of bioengineering, and particularly provides a stable liquid alkaline protease preparation which comprises liquid alkaline protease, NaCl, polysaccharide and histidine. Based on the mass of the liquid alkaline protease, the addition amount of NaCl is 5%-10%, the addition amount of polysaccharide is 0.1%-0.5%, and the addition amount of histidine is 0.02%-0.1%. According to the stable liquid alkaline protease preparation provided by the invention, NaCl, polysaccharide and histidine are added into alkaline protease, filtration and sterilization are performed after pH is adjusted, the stability of the liquid alkaline protease is obviously improved, heat preservation is performed for 6 months at the temperature of 45 DEG C, and the enzyme activity is basically free of loss. The preparation has simple components and is especially suitable for feed and food industries.

There is provided a method and apparatus for processing a bioplastic that can be used in multiple industries such as, for example, food / non-food applications, apparel industry applications, retail store packaging and so forth. It is preferable that the present invention is able to enable replacement / reduction of use of conventional non- biodegradable plastic originating from petrochemicals.

The invention belongs to the technical field of environmental protection, and provides an environmental protection management method and system for the food industry based on a large model. The method comprises the following steps: acquiring various real-time data of each sensor, and filling a preset data template with the real-time data to obtain a real-time data report; performing cue word extraction from the real-time data report based on a large language model to obtain a first cue word set, and obtaining a plurality of first knowledge fragments from the dynamically updated knowledge graph based on the first cue word set; performing cue word extraction from the first knowledge fragment based on a large language model to obtain a second cue word set, and combining the cue word sets to form an optimal cue word set; the large language model takes a preset evaluation item as an index, and generates a first initial evaluation text based on the optimal prompt word set; and segmenting the first initial evaluation text according to a preset evaluation report template, and filling the first initial evaluation text to a corresponding position of the evaluation report template to obtain a real-time evaluation report. The method is high in efficiency and reliable in evaluation result.

This invention belongs to the field of biosensor technology and provides a biosensor for detecting Salmonella typhimurium based on DNAzyme-amplified DNA nanowires activating CRISPR / Cas12a, comprising: CRISPR / Cas12a protein, Mg 2+ The nucleotide sequences are as shown in SEQ ID NO:1-8: aptamer Apt, A strand, AB strand, DNAzyme strand, H1 strand, H2 strand, H3 strand, and crRNA. This biosensor exhibits high detection sensitivity, low detection limit, and a detection range of 10⁻¹⁰. 5 With a CFU / mL range, high specificity, low background interference, stable fluorescence signal, simple operation, and mild reaction conditions, it is suitable for rapid on-site detection and applicable to the detection of actual food samples. The spiked recovery rate is 100.3%-103.9%, and it can be widely used in the detection of Salmonella typhimurium in the food industry and public health field.

Cleaning-in-place (CIP) systems utilize membrane filters for purifying liquid substances in many industries, including but not limited to, the dairy industry, breweries, pharmaceutical industry, and the food industry. These membrane filters undergo a rigorous cleaning process that despite cleaning can leave foulants on the membranes which hamper filter effectiveness. In addition to the cleaning, enzymes can be applied to the membranes to remove foulants and restore filtering effectiveness. However, introduction of enzymes into these CIP systems can be problematic if enzymes remain after cleaning. This disclosure provides a system and methods to mimic the membrane modules and verify that a correct inactivation procedure occurred. The systems and methods include a separate membrane sample so that no membrane modules need be removed to verify full enzyme inactivation.

The invention is related to the food industry. The proposed apparatus is used for wort production from grain raw material, and comprises a lower tier, an upper tier and at least one process tier located in-between. Each tier is equipped with a mixer, a water supply pipe, a wort transfer pipe and an auger separator, comprising a perforated pipe or a slotted screen with an auger, squeezed grain raw material outlets, a wort discharge branch pipe, a thrust washer and a thrust spring inside. The bottom of each tier is inclined. A funnel for crushed grain raw material supply is provided on the process tier located above the lower tier. A wort outlet is provided in the lower tier. A method for producing wort from grain raw material is also disclosed. The group of inventions provides an increase in the yield of the finished product.

The utility model relates to the technical field of sorting, in particular to double-track intelligent sorting and counting equipment which comprises a direct vibration feeding mechanism, a sorting mechanism and a visual inspection counting camera. The direct vibration feeding mechanism is arranged at the feeding end of the sorting mechanism, and the visual detection counting camera is arranged above the sorting mechanism. The elevator is installed in the feeding rack, a lower end opening of the elevator is formed in the storage bin, and the storage bin is fixed to the feeding rack. The first-stage direct vibration splitter plate is arranged at an outlet of the elevator; the first-stage direct vibration splitter plate is in electric control connection with a direct vibration controller, and the direct vibration controller is mounted on the feeding rack; the two straight vibration rails are both installed on the feeding rack and arranged at the discharging end of the first-stage straight vibration splitter plate. Automatic sorting of building block packaging products, food industry, medical supplies, hardware industry, daily products and other products is achieved, manpower is reduced, the production efficiency is improved, the problem of staff shortage is solved, and the efficiency of traditional equipment is improved.

The application discloses a lysozyme content detection method in food, and belongs to the technical field of biological medicine detection. The method comprises the following steps: constructing a lysozyme detection standard curve; reacting a food sample to be detected with a fluorescent probe in a buffer system, measuring the fluorescence intensity of the reaction system, and calculating the lysozyme content in the food sample to be detected based on the standard curve. The application adopts a fluorescence spectrum method to research and compare the performance of polypeptide CALNNK (FITC) and lysozyme under different buffer systems, pH, temperature and reaction time conditions, and then uses the method to detect the lysozyme content in food. The 20 nmol / L polypeptide CALNNK (FITC) , BR buffer solution with pH=10.0, 4 min of time and 35 DEG C of temperature are the optimal reaction conditions, the lysozyme content in food can be quickly and accurately detected, and the method has far-reaching significance for the healthy development of the food industry.

The present invention is characterized by a method for personalizing a knife handle or a kitchen utensil having a grip handle by hydro printing. The tool thus personalized according to the method specific to the invention is intended for both professionals in the food industry and individuals.

The invention discloses mutant high-stability catalase and a construction method thereof. The construction method comprises the following steps: acquiring a catalase sequence of a thermophilic bacterium source from an NCBI database; synthesizing a mutated amino acid sequence by using codon optimization; carrying out PCR (Polymerase Chain Reaction) amplification to obtain a target gene and a pET-28a carrier; the method comprises the following steps: cloning a target gene into a pET-28a vector by using seamless cloning; the BL21 (DE3) is high in prokaryotic expression quantity, can be directly synthesized, is suitable for large-scale preparation, is simple to operate, is good in solubility, and can be widely used in the food industry, the environmental protection industry, the papermaking industry, the textile industry, industrial enzyme catalysis and the like.

The utility model relates to a kind of double-inlet filling valve, including filling valve body, the first import is integrally formed and arranged in the lower half of the side of filling valve body, second import assembly is arranged on the filling valve body;The second import assembly includes sliding tube, the sliding tube is slidably arranged in the hole of the filling valve body, the sliding tube cross section shape is compatible with the hole cross section shape of the filling valve body;Driving portion is arranged on the filling valve body, driving portion is connected with the sliding tube, and driving portion drives the motion of the sliding tube.The utility model relates to the technical field of filling valve for food industry.The utility model has the effect of improving the use range of filling valve, filling second raw material in short time, and ensuring product quality.

The present application relates to a kind of electrochemical detection method and system for capsaicin, detection method includes: providing three electrode system;Configuration electrolyte solution and dissolve capsaicin standard sample or sample to be measured;Electrochemical detection is carried out using three electrode system to obtain oxidation peak current signal;Based on the corresponding relationship between oxidation peak current and capsaicin concentration determines the capsaicin content in sample to be measured.Detection system includes three electrode system, battery module, power module, MCU module, electrochemical detection circuit, signal conditioning circuit and communication module, can realize the rapid, sensitive detection of capsaicin.The present application improves the detection sensitivity by carbon nanocomposite modified carbon cloth electrode, combined with portable hardware circuit design, get rid of the dependence on large instrument, applicable to the on-site rapid detection of capsaicin in food industry, provide scientific, objective technical means for hot degree quantification.

The invention discloses a method for improving functional characteristics of walnut protein. The method comprises the following steps: S1, pretreating the walnut protein with ethanol; s2, extracting walnut protein by an alkali-solution and acid-isolation method; s3, performing ethanol pretreatment and ultrasonic wave synchronous pH shift treatment on walnut protein; and S4, freeze-drying the walnut protein. According to the method for improving the functional characteristics of the walnut protein, disclosed by the invention, the solubility, emulsibility, emulsion stability, foaming capacity, foam stability, water-holding capacity and oil-holding capacity of the walnut protein treated by the method disclosed by the invention are remarkably improved, so that the functional characteristics of the walnut protein better meet food production requirements; the application value of the walnut protein in the food industry is further expanded.

The invention discloses a complex microbial inoculant for increasing the content of aroma-producing substances of barley bran as well as a preparation method and application of the complex microbial inoculant. The complex microbial inoculant is formed by compounding plant lactobacillus dy-1 and Enderbernella ferruginea Pro208 according to the viable count ratio of 5: 2. The preservation number of the plant lactobacillus dy-1 is CGMCC (China General Microbiological Culture Collection Center) No.6016; according to the present invention, the Feibian Escherichia coli (Pro208) has a preservation number of GDMCC 64830; the complex microbial inoculant can grow in a barley bran system, and the aroma and volatile substance composition of barley bran and the content of a key aroma-producing substance butyl acetate are remarkably improved; the complex microbial inoculant can utilize pyruvate dehydrogenase and esterifying enzyme to convert glucose into butyl acetate; in addition, the obtained complex microbial inoculant can be used for preparing the fermented barley bran beverage and remarkably improving the aroma of the fermented barley bran beverage, and has wide application prospects in the food industry.

The utility model provides an efficient evaporation and concentration device and relates to the field of liquid concentration and evaporation. Comprising a container, a heating assembly and a lifting part, and the container is used for containing liquid to be evaporated and concentrated; the heating assembly is arranged in the container, at least two concave bent pipes and at least two convex bent pipes are alternately arranged to form a concave-convex alternate bent pipe structure, and the heating assembly is heated through steam and / or an electric heating wire; the lifting piece drives the heating assembly to move up and down in the container, so that the heating assembly is always located at the upper half part of liquid. Through the design of the bent pipe structure and the cooperation of the lifting function, the efficient and uniform heating of liquid is realized, the evaporation and concentration efficiency is improved, meanwhile, the risk of local overheating of the liquid is reduced, and the device is particularly suitable for viscous liquid concentration operation in the food industry.

The present invention relates to the food industry and relates to the use of Kenger gum as a structure (texturing) ingredient in the soft candy formulation in the candy industry, and to the production of Kenger gum added soft candy.