26 results about "Agro food" patented technology

The invention belongs to the technical field of biology, relates to a zearalenone degrading enzyme, and particularly relates to a bacillus subtilis source zearalenone degrading enzyme, an engineering strain thereof and an enzyme preparation prepared from the bacillus subtilis source zearalenone degrading enzyme. Compared with the known zearalenone degrading enzyme, the zearalenone degrading enzyme not only has obvious structure and sequence differences, but also shows an excellent degrading effect at low concentration. The lactone hydrolase derived from bacillus is found for the first time, and the biological resource basis of zearalenone degrading enzyme is expanded. The enzyme not only has significant difference from other degrading enzymes in structure, but also shows unique characteristics in degradation mechanism. The capability of efficiently degrading zearalenone shows that the bacillus subtilis has a wide application prospect in the fields of agriculture, food industry and the like. In addition, the invention also covers the structure of a degradation product generated by the zearalenone enzyme, and provides a new perspective for understanding a zearalenone degradation mechanism.

The invention relates to a preparation method of ultrathin two-dimensional cobalt oxide rich in oxygen vacancies and an application of the ultrathin two-dimensional cobalt oxide rich in oxygen vacancies in food total antioxidant capacity detection, and belongs to the fields of low-dimensional nano materials, biological mimic enzyme catalysis and analytical chemistry. According to the preparation method, cobalt acetylacetonate and hexadecyl trimethyl ammonium bromide are adopted as raw materials, and the ultrathin two-dimensional cobalt oxide nano-enzyme rich in oxygen vacancies is prepared through a hydrothermal reaction and high-temperature pyrolysis. The obtained ultrathin two-dimensional cobalt oxide nano-enzyme rich in oxygen vacancies has excellent peroxidase-like catalytic activity and selectivity. The oxygen-vacancy-rich metal oxide has the advantages of high stability, easy mass production and low preparation cost, and is expected to be widely used in the fields of biosensing, agriculture, food engineering, catalysis and the like.

The invention relates to biotechnology, in particular to a process for cultivating theSporobolomyces pararoseusyeast strain and can be used for producing yeast and exopolysaccharide biomass with antifungal activity.The process for cultivating theSporobolomyces pararoseusCNM-YS-01 yeast strain, according to the invention, provides for the submerged cultivation of the strain at a temperature of +27-+28°C with continuous stirring at 200 rpm for 120 hours, on nutrient media obtained from agro-food vegetable waste, containing carrot peel extract or red beet peel extract.

The invention belongs to the field of agricultural food and biological medicine, and discloses a method for fermenting polygonatum kingianum with edible and medicinal fungi and application of the method to remarkably improve the content of active ingredients in the polygonatum kingianum and improve the sensory quality of the polygonatum kingianum through the fermentation effect of the edible and medicinal fungi (such as eurotium cristatum, cordyceps militaris and saccharomyces cerevisiae). The method comprises the specific steps of treatment of polygonatum kingianum, sterilization, strain culture and inoculation, fermentation, product treatment and detection and the like. By optimizing fermentation conditions, a high-quality fermented polygonatum kingianum product can be obtained within a short time, and the content of bioactive components (such as polysaccharide, flavone, saponin and the like) of the product is stable and controllable. The method not only improves the medicinal value and edible function of the polygonatum kingianum, but also provides a new way for industrial production of the polygonatum kingianum.

The subject invention provides safe, environmentally-friendly compositions and efficient methods for chelating and / or descaling. More specifically, the subject invention provides compositions derived from microorganisms for the use of chelating agents in metalworking, oil and gas production, polymerization, pulp and paper production, cleaning, household cleaners and descalers, textiles, mining, pharmaceuticals, agriculture, food and beverage production, cosmetics, and water treatment, which can be used for creating useful products.

The invention discloses a fruit and vegetable fresh-keeping device and a fruit and vegetable fresh-keeping method based on a low-temperature plasma activated spray coating, and belongs to the technical field of fruit and vegetable fresh-keeping devices and methods. The device comprises an air plasma jet device, a water tank, a detection controller and an array low-temperature plasma generating device, the air plasma jet device consists of a copper electrode connected to a high-voltage power supply, a gas flowmeter and an air compressor; the air compressor is connected with the water tank through a pipeline; the bottom of the water tank is communicated with the array low-temperature plasma generating device; the detection controller controls the air plasma jet device, the colloid premixing device, the water tank and the array low-temperature plasma generating device through the electric power system. The device realizes stable and continuous production of plasma active components, can realize high-flux production of active substances and large-scale preparation work of active media, and meets the application requirements of large-scale popularization and demonstration in the field of modern agricultural foods.

The utility model relates to an agricultural food safety detection device, which belongs to the technical field of food safety detection and comprises a base, an adjusting box fixedly connected to the top of the base, a plurality of test tube bodies arranged at the top of the adjusting box, a mounting frame fixedly connected to the top of the base and a detection display screen fixedly mounted outside the mounting frame. A rotating mechanism extending to the outside of the adjusting box is arranged in the adjusting box, a limiting assembly is arranged at the top of the adjusting box, and the rotating mechanism comprises a servo motor, a worm, a rotating shaft, a worm gear, a rotating disc and a placement seat. According to the agricultural food safety detection device, the controller starts the servo motor to work to drive the worm to rotate, and the rotating disc and the placing seat are rotated and switched, so that the test tube body is driven to rotate and switch for rapid detection, and by optimizing the sample treatment and detection process, the detection time is effectively shortened, and the detection accuracy and reliability are improved; and the advantage of high detection efficiency is achieved.

The invention provides a method for evaluating the activity concentration of glutamine transaminase, and belongs to the technical field of enzyme activity concentration detection. The invention provides a determination method for evaluating the active concentration of glutamine transaminase, which comprises the following steps: reacting a thrombin-loaded conjugate pad with a mixed solution of fibrinogen and a sample to be detected to obtain a fibrin clot-loaded conjugate pad; judging the activity concentration of the glutamine transaminase by comparing the permeability of the binding pad loaded with the fibrous protein clots and the permeability of the binding pad loaded with the quality control fibrous protein clots, wherein the activity concentration of the glutamine transaminase is in negative correlation with the permeability. The method disclosed by the invention is simple, convenient and rapid, low in detection cost and wide in scene application, and has important significance in preliminarily judging the activity concentration of transglutaminase in the fields of industry and agriculture, food, cosmetics and medicines.

The invention discloses a beta-galactosidase mutant E935V with enhanced activity and regulated and controlled by a salt solution and application of the beta-galactosidase mutant E935V. The amino acid sequence of the mutant is shown as SEQ ID NO. 1. When the salt is not added, the hydrolytic activity of p-nitrophenyl-beta-D-galactopyranoside (pNPG) of E935V is only 25.34% of that of the recombinant wild enzyme, while the activity of the mutant E935V in a salt adding system is obviously improved, and the maximum specific enzyme activity after improvement reaches 77.97 U / mg and is improved by 22.88% compared with that of the recombinant wild enzyme when the salt is not added. In 200 mM of KBr, the hydrolytic activity of the pNPG is improved by 3.9 times, and the hydrolytic activity of the pNPG on lactose is improved by 3.6 times. The mutant is suitable for a technical application scene in which the enzymatic reaction rate needs to be adjusted, the reaction efficiency and controllability are improved, and a better solution is provided for enzyme catalysis application in the fields of agriculture, food processing, biotechnology and the like.

The invention relates to the technical field of fermentation equipment, and discloses modular biological agricultural food solid state fermentation equipment which comprises a fermentation machine, a front door is mounted on the front side of the fermentation machine, mounting cavities are formed in the two sides of the fermentation machine, side doors are mounted on the opposite sides of the two mounting cavities, and a rear plate is mounted on the rear side of the fermentation machine. Four groups of discharging assemblies are arranged on the inner side of the fermentation machine, driving assemblies are arranged on the inner sides of the two groups of mounting cavities, a vibration assembly is arranged in one of the two groups of mounting cavities, each discharging assembly comprises a round rod frame movably arranged on the inner side of the fermentation machine, and a fixing rod is fixedly arranged at the position, close to the rear side, of each round rod frame. According to the modular biological agricultural food solid-state fermentation equipment, through overall cooperative use and physical cooperation, the discharging efficiency is remarkably improved, and compared with a pure mechanical scraper, the microbial pollution risk and damage to the fermentation disc are reduced.

The present invention relates to the field of agriculture and more particularly to the manufacture of biosolutions intended to improve crop fertilization, crop protection, and animal health. The invention specifically concerns a process for transforming biowaste and by-products from the agri-food industry into biostimulants.

This system provides a technical solution for managing product sales, inventory, and deliveries through QR codes and predictive analytics. It incorporates algorithms that generate and assign unique QR codes to products based on real-time sales data from farmers. These QR codes provide direct links to product information, facilitating efficient inventory management and customer engagement. The system also leverages predictive analytics to forecast product demand by analyzing historical sales data, adjust inventory levels, and optimize delivery driver assignments based on proximity to farms. The hardware supporting the system includes servers, processors, network components, and scanning devices to ensure reliable operation and data synchronization. By automating QR code generation, integrating sales data, and dynamically assigning drivers, the system improves operational efficiency, minimizes errors, and enhances the customer experience.

The invention relates to a composition comprising polylactic acid (PLA) and Carbon Nanoclusters, more specifically the invention refers to a masterbatch of polylactic acid (PLA) and Carbon Nanoclusters and related preparation method. The masterbatch of the invention has high antibacterial, anti-algal proliferation and improved structural and mechanical characteristics compared to PLA without Nanoclusters and is also advantageous for its simple production process, for the easily obtainable raw materials and for the low cost. The masterbatch of the invention can be used for all products / artifacts wherein standard PLA is already used, such as for products in the sectors of agriculture, food packaging, tableware, medical instrumentation and the like.

The application belongs to the technical field of bioengineering, and particularly relates to a sphingan oligosaccharide and a preparation method and application thereof. The application provides a sphingan oligosaccharide, the main chain structure of which is beta-L-Rhap-(1→3)-beta-D-Glcp-(1→4)-beta-D-GlcpA, and the sphingan oligosaccharide is obtained by degrading sphingan (Welan gum, gellan gum and diutan gum) by sphingan degrading enzyme SpnR and then purified by liquid chromatography. The sphingan oligosaccharide prepared by the preparation method has mild reaction conditions and is simple to separate. The sphingan oligosaccharide prepared by the application has good plant growth promoting ability and intestinal probiotic effect, and can be used in the fields of agriculture, food, health products and the like, and the application of the sphingan and the sphingan oligosaccharide is expanded.

The invention discloses a method for preparing a modified composite membrane by using yellow ginger residues and application of the modified composite membrane, according to the method, cellulose, hemicellulose and lignin in the yellow ginger residues do not need to be extracted or pretreated, and the yellow ginger residues are directly dissolved by using a LiCl / DMSO solution with good dissolving capacity on lignocellulose; according to the present invention, the yellow ginger residue dissolving liquid is added to the carrageenan sodium alginate film forming liquid to prepare the modified composite film, such that the new thought is provided for the high-value utilization of the biomass waste yellow ginger residue, and the prepared composite film possibly has a certain application prospect in the fields of agriculture and food packaging.

The application discloses a blockchain-based agricultural food source tracing method and system, and relates to the technical field of supply chain credible management, comprising the following steps: collecting original batch numbers, splitting records, packaging numbers and handover times in the agricultural food source tracing link, uniformly storing the collected data into a distributed storage system, and generating batch tracing indexes. The application realizes continuous tracking of the identity of agricultural food from production to sales through the establishment of batch tracing indexes and batch inheritance lists. Through a double-index structure and reverse supplement and forward freezing mechanisms, the data on the chain is ensured to remain consistent in dynamic changes, batch breaks and information confusion are avoided, and full-life-cycle tracing management with traceable sources, reliable records and stable systems is realized.

The present invention relates to a method for producing solid particles (13) from a liquid or semi-liquid composition (1), particularly from an oil composition, fat, wax or other fatty compound, the method using at least one device (2) for forming a jet of liquid or semi-liquid product, followed by a step of deep freezing or complete or partial crystallization of the jet thus formed, characterized by performing the following measures: - generating one or more streams (12) of composition by means of said one or more forming devices, said streams entering the upper portion of a reaction chamber (3) and flowing from top to bottom within the reaction chamber; characterized by using a machine for cutting said one or more streams of product by means of a disc (14) or line rotating at a given and selected speed, wherein the movement of said disc or line causes substantially cylindrical product particles to transform into spherical or substantially spherical particles as they fall through the chamber toward their lower portion, at which these particles are collected (5).

This invention discloses a β-1,3-glucanase, its preparation method, and its applications, belonging to the field of biotechnology. This invention utilizes genetic engineering techniques to obtain the gene for the endo-β-1,3-glucanase CcGluE-CDMΔH1 from fibrotic microbacteria. The gene for endo-β-1,3-glucanase CcGluE-CDMΔH1 is cloned into an *E. coli* expression vector, obtaining a recombinant *E. coli* strain capable of heterologously expressing this enzyme. The endo-β-1,3-glucanase prepared using this strain heterologously expresses produces glucosamine oligosaccharides with different degrees of polymerization distributions at different pH levels, which can be widely applied in agriculture, food, feed additives, medicine, and the preparation of glucosamine oligosaccharides.

The invention discloses a preparation method of a novel preserved szechuan pickle seasoning liquid, which comprises the following steps: taking preserved szechuan pickle and a preserved szechuan pickle pickling liquid as raw materials, mixing, pulping, adjusting the pH value, and standing to prepare preserved szechuan pickle pulp meeting certain conditions; and performing Maillard reaction on the preserved szechuan pickle pulp serving as a base material, a protein nitrogen source, reducing sugar and vegetable fat to prepare the preserved szechuan pickle seasoning liquid. According to the preparation method of the preserved szechuan pickle seasoning liquid, the natural preserved szechuan pickle pulp is creatively used as the raw material, the grease oxidation technology and the Maillard reaction technology are combined, and the prepared preserved szechuan pickle seasoning liquid is natural in fragrance, rich and full in flavor and mellow in taste and has the advantages of being vivid in flavor and lasting in fragrance. Meanwhile, treatment of reaction raw materials is optimized, the degree of the raw materials participating in the Maillard reaction is deepened, and the utilization rate of the raw materials is increased. The processing technology is low in production cost, convenient to prepare, good in product effect and suitable for large-scale production of agriculture and food enterprises.

The invention relates to a method for obtaining a biotechnological product containing fermented algae, intended for use as a raw material component or as a final product in the agriculture, food, and cosmetics sectors. The method enhances the agricultural activity of algae, improves its nutritional content and bioavailability, enabling the obtain functional components and eliminates sensory issues associated with algae.

This application belongs to the field of cellulose-degrading strains, specifically disclosing a white-spore Aspergillus niger and its applications. The white-spore Aspergillus niger is classified as... Aspergillus niger The name is Aspergillus niger B704 was deposited on January 6, 2025, at the Guangdong Provincial Center for Microbial Culture Collection, with accession number GDMCC No: 65633. This application discloses a white-sporeed Aspergillus niger. Aspergillus niger B704 exhibits cellulose and hemicellulose degradation rates of 82% and 60%, respectively, significantly higher than existing white-spore Aspergillus niger. It also possesses the synergistic characteristics of "high enzyme production + white spores," achieving an effective combination of "morphological markers" and "functional specificity," making it suitable for applications in agriculture, food industry, and bioenergy.

To provide a product suitable for use in agriculture for food and biological purposes, which is applied to the base of a plant, thereby reducing the frequency of watering the plant while increasing resistance to water stress that can also limit the need for watering the plant.SOLUTION: Hydrogel based on at least one gelling agent, in particular agar-agar, containing a product obtained from the extraction, with an alkaline aqueous solution, of at least one agarophytic red alga originating from the family Gelidiaceae. Said hydrogel is advantageously in the form of pieces or blocks, such as spheres or cubes.SELECTED DRAWING: None

The present invention relates to a system (1) for the treatment of wastewater comprising organic compounds and / or inorganic or ionic compounds, optionally deriving from the agri-food or livestock supply chain, said system comprising a first bioelectrochemical reactor (2) and a second photocatalytic reactor (3) connected in series, wherein: the first bioelectrochemical reactor (2) is intended to receive the wastewater to be treated and comprises an anode (22) and a cathode (23) connected to each other by means of an external electrical circuit (24) in which an electrical load (25) is present, the anode (22) being a carbon-based material, preferably in the form of granules, pellets, plates or blocks, and the cathode (23) being floating on the surface (27) of the wastewater (21), and the second photocatalytic reactor (3) is intended to receive the water exiting the first bioelectrochemical reactor (2) and comprises a photocatalyst (32) loaded on an inert support (33), said inert support (33) being suspended in water (31) inside the second photocatalytic reactor (3).

The invention discloses a salt activated beta-galactosidase mutant E154V and application thereof. The amino acid sequence of the mutant is shown as SEQ ID NO. 1. In a system without adding salt, the hydrolytic activity of E154V to a substrate p-nitrophenyl-beta-D-galactopyranoside (pNPG) is lower, the activity of E154V in a system with salt is remarkably improved, and in a 500 mM potassium acetate solution, the hydrolytic activity of the mutant to the pNPG is improved by 11.41 times and is improved by 124.26% compared with that of a recombinant wild enzyme without adding salt; the hydrolytic activity to galactooligosaccharide is improved by 22.13 times, and is improved by 58.72% compared with that of a recombinant wild enzyme without salt. The mutant is suitable for a technical application scene in which the enzymatic reaction rate needs to be adjusted, the reaction efficiency and controllability can be effectively improved, and a better solution is provided for enzyme catalysis application in the fields of agriculture, food processing, biotechnology and the like.