35 results about "Low temperature sterilization" patented technology

A low-temperature sterilization apparatus and a method thereof. The low-temperature sterilization apparatus is used for disinfecting and sterilizing a contaminated medical device placed therein. Ultrasonic waves, ultraviolet rays, and ozone are combined with a disinfectant in an aqueous solution to achieve rapid desorption, destruction, and decomposition reactions, thereby removing adhering contaminants and bacteria from all pores and corners of the contaminated medical device.

This invention discloses a magnetic field low-temperature sterilization technology for wild papaya enzyme and its application, belonging to the field of non-thermal food sterilization technology. This invention uses fermented wild papaya enzyme stock solution / concentrate as raw material, employing a high-intensity alternating magnetic field coupled with low-temperature synergistic sterilization. Treatment is carried out at 20-40℃, 0.4-1.0T, and 1.0-3.0kHz for 60-120 seconds, combined with pre-cooling, fine filtration, rapid cooling, and aseptic filling, achieving efficient sterilization while maximizing the preservation of SOD activity, natural flavor, and nutrients. This invention solves the problems of activity loss and flavor deterioration caused by traditional heat sterilization, and has advantages such as low-temperature preservation, uniform sterilization, continuous industrialization, no chemical residues, and traceability. The resulting product meets microbial indicators and has an SOD activity ≥1000U / mL, suitable for the industrial production of heat-sensitive fruit and vegetable enzyme beverages such as wild papaya enzyme and prickly pear enzyme.

The invention discloses salt baked flavor chicken energy chewable tablets and a preparation method thereof, and belongs to the technical field of food processing. The chewable tablet consists of the following components in percentage by weight: 20-40 parts of salt roasted chicken powder, 25-50 parts of an energy supplement, 0.1-0.5 part of composite vitamins, 10-30 parts of an excipient, 0.5-2 parts of a flavoring agent, 0.1-0.5 part of an antioxidant, 1-3 parts of magnesium stearate and the balance of deionized water. The salt-baked chicken powder is prepared by taking chicken breast as a raw material, rolling, kneading and pickling with a salt-baked flavor pickling solution, steaming, drying and pulverizing. According to the invention, the salt baked flavor and the nutrition of chicken are combined, the salty and fragrant flavor and balanced nutrition are combined, rapid and lasting energy supplementation can be realized, the chewable tablet is portable to eat, is subjected to dry granulation, low-temperature sterilization and aluminum foil packaging, has long shelf life, adopts a natural flavoring agent, is high in safety, and is suitable for various energy supplementation scenes such as sports, offices, outdoors and the like.

The utility model relates to the field of food processing equipment, in particular to a safe sterilization device for soybean milk powder production. The safe sterilization device for soybean milk powder production comprises a support frame, a sterilization box, a shell, a controller, an ultraviolet sterilization lamp tube, a feeding pipeline and the like, a sterilization box is fixedly connected to the top of the supporting frame, a shell fixedly sleeves the outer side of the sterilization box, a controller is fixedly connected to the front portion of the shell, a plurality of ultraviolet sterilization lamp tubes are symmetrically distributed on the top of the sterilization box front and back, the ultraviolet sterilization lamp tubes are electrically connected with the controller, and the upper portion of the left side of the shell is connected and communicated with a feeding pipeline. According to the soybean milk powder sterilization device, the ultraviolet sterilization lamp tube and the microwave generator are arranged, the low-temperature sterilization technology is adopted, nutritional ingredients are reserved to the maximum extent, the sterilization effect can be ensured, nutrition can be reserved, and meanwhile the problem that when an existing device is used for sterilizing soybean milk powder, the risk that sterilization is not thorough exists is effectively solved.

A sterilization method is provided for sterilizing a surgical instrument having an antimicrobial coating formed from applying a solution including a silane quaternary ammonium ion or salt thereof, the method comprising sterilizing the surgical instrument using a low temperature sterilization technique. The low temperature sterilization technique may include low temperature autoclave, exposure to ultraviolet light, exposure to gamma ray radiation, chemical sterilization, or any combination thereof. The chemical sterilization may include sterilization with ethylene oxide.

The invention discloses a container adopting oil separation type packaging and a preparation method of hot pot dipping sauce. The container adopting the oil separation type packaging is characterized in that a grid plate is connected in a subpackaging assembly, a pressing plate is connected with the subpackaging assembly, a base is connected to the lower portion of the subpackaging assembly, and a stirring and rebounding assembly is connected with the base. The invention discloses a preparation method of an oil separation type hotpot condiment sauce and a packaging and using method of the hotpot condiment sauce. The packaging and using method of the hotpot condiment sauce comprises the steps that S1, a barrel body is filled with condiments, and then an oil bag is placed on a grid plate; and S2, during use, the pressing plate is pressed downwards to extrude the oil bag so that the oil bag can be broken, and oil is mixed with a material body through the grid plate. Compared with the prior art, the device has the advantages that oil plants are physically isolated through the barrel body and the grid plate, so that the oil plants are separately stored after production is finished, the oil plants are mixed only during use so as to inhibit microbial reproduction, meanwhile, the stirring and rebounding assembly is arranged, so that the oil plants are more uniformly mixed, and the production efficiency is improved. Meanwhile, low-temperature sterilization processing is adopted when the oil bag and the material bag are generated, so that volatile flavor substances are reserved to the greatest extent.

This invention provides a spirulina slurry sterilization and drying system based on low-temperature plasma technology, belonging to the field of microalgae product processing technology. It includes an air compressor, a plasma generator, a plasma jet head, a microalgae sterilization tank, a microalgae discharge device, a microalgae feeding device, a first adjustable pump, a second adjustable pump, a detection and sampling device, and a tail gas collection and treatment device. This system is simple to operate, highly efficient in sterilization, and addresses consumer concerns about irradiation sterilization and the high energy consumption of other sterilization methods. Utilizing a high-flow-rate plasma jet to simultaneously sterilize and dry at low temperatures significantly shortens the processing time for microalgae production, reduces the loss of heat-sensitive nutrients in microalgae, and improves product quality.

The invention relates to an integrated low-temperature sterilization control system, and relates to the technical field of food processing sterilization, the integrated low-temperature sterilization control system comprises a frame body, a driving motor is fixed at one corner of the frame body, a driving roller is fixed at the driving end of the driving motor, the driving roller is connected with a driven roller through a conveying belt, and a sealing cover is fixed at the upper end of the frame body; a plurality of sealing curtains are fixed to the two ends of the sealing cover, a PLC automatic controller, a liquid nitrogen generator, an electric plasma generator and a high-voltage pulse generator are sequentially fixed to the upper side of the sealing cover, and a detector is arranged at the lower end of the PLC automatic controller. The driving motor drives the driving roller to rotate, on one hand, a three-level protection effect is achieved, color, taste and nutritional ingredients of ice cream food are reserved to the maximum extent while effective sterilization is achieved, on the other hand, an automatic turn-over effect is achieved, the subsequent processing effect is remarkably improved, and the product quality is improved. And on the other hand, the active guiding and limiting effect is achieved, and the machining quality and the yield are guaranteed.

The invention discloses a natural sea salt gargling salt with oral cleaning and sterilizing functions and a preparation method of the natural sea salt gargling salt. The gargle salt is composed of 100% natural sea salt, wherein the sea salt is crystallized and separated out when the concentration of brine is 25-29 baume degrees. The preparation method comprises the following steps: taking seawater in a specific sea area, naturally evaporating and concentrating at high temperature in summer for about one month until the seawater is crystallized; the method comprises the following steps: collecting salt crystals, crushing the salt crystals to a specific particle size by air flow, homogenizing and mixing, performing low-temperature sterilization by adopting fluidized bed drying and ultraviolet ozone, and finally packaging in a low-humidity clean environment. The pure natural gargling salt which is quick to dissolve, mild in taste, safe in microbial index and good in stability is prepared by selecting raw materials and optimizing the process on the premise of not needing any additive, and the requirements of the market on pure and safe oral care products are effectively met.

The application relates to the field of sterilization technology, and discloses a low-temperature sterilization device for producing cowhide protein peptide and a sterilization method thereof, which comprises a machine body and a low-temperature sterilization bin arranged on the machine body, the inside of the low-temperature sterilization bin is provided with multiple transmission rollers which are distributed at equal intervals, all the transmission rollers are synchronously driven to rotate through a transmission mechanism, and a storage cylinder for storing cowhide protein peptide powder is arranged on every two transmission rollers. The device drives the storage cylinder to rotate through the transmission rollers, so that the cowhide protein peptide powder in the filter screen is continuously stirred due to gravity, local sterilization blind areas caused by powder accumulation in traditional static sterilization are avoided, meanwhile, the filter screen structure of the breathable inner container can allow the sterilization medium to freely penetrate, combined with the precise guidance of the air guide component, the contact area of the powder and the sterilization medium is greatly increased, it is ensured that every particle of powder can fully act on the sterilization medium, and the uniformity and completeness of sterilization are significantly improved.

The invention discloses a directional extraction and sterilization process of medical-grade high-biological-activity silk protein, and relates to the technical field of biomedical materials. The method comprises the following steps: step 1, pretreatment; step 2, multi-stage directional degumming; step 3, dissolving at low temperature; step 4, molecular sieve chromatography purification; step 5, sterilizing at low temperature; step 6, freeze-drying; and step 7, preparing a final product. The ultrasonic-assisted compound enzyme is adopted for degumming, the enzymolysis efficiency is improved through the ultrasonic cavitation effect, the degumming efficiency is effectively improved, the retention rate of a beta-folded structure is larger than or equal to 85%, and therefore efficient degumming and high-activity retention are achieved; a directional purification means and molecular sieve chromatography are adopted to selectively extract functional domains, selectively retain functional domains related to wound repair, remove low-molecular-weight impurities and improve the product uniformity, so that the medical performance is improved; the safety is guaranteed through low-temperature sterilization, the sterile level requirement can be met through gamma-ray or hypochlorous acid treatment, and no chemical residues exist.

The invention discloses a nerve-soothing brewing decoction piece and a preparation method thereof. The traditional Chinese medicine composition is prepared from the following raw material extracts in parts by weight: 10-30 parts of a rehmannia extract, 10-15 parts of a spina date seed extract, 9-15 parts of a longan aril extract, 9-30 parts of an oyster extract, 5-10 parts of a peach kernel extract, 1-3 parts of a stigma croci extract, 10-15 parts of a malt extract, 3-10 parts of an exocarpium citri grandis extract, 9-15 parts of a purslane extract, 2-10 parts of a liquorice extract and 6-15 parts of a Chinese date extract. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 3-10 parts of a fresh ginger extract, 10-15 parts of a poria cocos extract, 9-12 parts of a fructus gardeniae extract, 9-12 parts of a fermented soybean extract and 9-30 parts of a codonopsis pilosula extract. A personalized extraction process is designed for 16 raw medicinal materials, an extract synergistic compatibility system is formed, and a multi-step purification and precise drying process and a low-temperature drying and low-temperature sterilization process are combined; the problems of active components of a traditional unified extraction process, unbalanced efficacy of a traditional preparation, poor solubility of an existing product and the like, and the problems of thermosensitive component degradation of conventional drying sterilization and the like are solved respectively.

The invention provides an oral nutritional supplement for preventing hair loss and promoting hair growth as well as a preparation process and clinical application thereof, belongs to the field of hair loss beautifying compositions, and solves the problems of low preparation efficiency, poor taste, unsatisfactory effect and the like of the existing oral nutritional supplement for preventing hair loss and promoting hair growth. The preparation process of the hair loss preventing and hair growth promoting oral nutritional supplement comprises the following preparation steps: S1, raw material pretreatment: S1A, embedding microencapsulation treatment; s1B, crushing and drying treatment; s1C, carrying out dilution treatment; s2, grouping and mixing; s3, total mixing; s4, performing granulation; s5, drying and sterilizing; s6, sub-packaging; s7, quality inspection; and S8, packaging and warehousing. According to the invention, active ingredient protection and stability control are ensured, and the mixing uniformity is ensured to the greatest extent through targeted pretreatment; the content of each bag of products is ensured to be consistent, and an all-around protection system of low-temperature sterilization, oxygen isolation, moisture prevention and light shielding is constructed; the whole process is divided into a preprocessing module, a grouping mixing module, a total mixing module and the like, and logic is clear.

System (1) for detecting and measuring the concentration of at least one sterilizing agent (2) in the gaseous state for a low-temperature sterilizer comprising at least one emitter (3) of electromagnetic radiation with an emission frequency over a predetermined frequency range, at least one receiver (4) of said electromagnetic radiation capable of targeting a predetermined frequency of electromagnetic radiation and capable of emitting a signal, at least one signal processing device (5) of the receiver (4) capable of detecting and / or measuring the concentration of at least one sterilizing agent (2) as a function of its absorbance rate in the electromagnetic radiation frequency predetermined by the receiver (4), at least one sensor (6) arranged to capture in an area located between the emitter (3) of electromagnetic radiation with an emission frequency over a predetermined frequency range and its receiver (4),said zone positioned between the emitter (3) of electromagnetic radiation with an emission frequency in the predetermined frequency range and its receiver (4) defining a measurement zone (7) and at least one control unit (8) capable of modifying the target frequency of the electromagnetic radiation by the receiver (4). According to the invention, the control unit (8) is adapted to adjust the frequency of the electromagnetic radiation targeted by the receiver (4) as a function of at least one physical parameter measured in the measurement zone (7). Figure to be published with the abbreviation: Fig. 1,

The invention belongs to the technical field of computer security, and particularly relates to a protein bar with anti-oxidation and glycolipid metabolism regulation functions and a preparation method thereof.The protein bar is of a three-layer structure including an outer layer, a sandwich layer and an inner layer, the sandwich layer serves as a core, functional components formed by compounding penaeus vannamei extracts and Tibetan gastrodia elata water extracts according to the ratio of 3: 7 are adopted, and the protein bar is prepared. Nutrient substances such as whey protein powder and oatmeal are matched as raw materials; the preparation method comprises the following steps: extracting functional components, preparing each layer, treating after forming, performing ultrasonic microwave-assisted enzymolysis, performing water bath reflux extraction to obtain the functional components, and performing low-temperature preparation, hot air baking, low-temperature sterilization and nitrogen-filled packaging to obtain the finished product. Synergistic antioxidation and glycolipid metabolism regulation of the two functional components are achieved, active components are reserved, the fishy smell of the crustacean raw materials is eliminated, high-value utilization of aquatic byproducts and food development of the Tibetan gastrodia elata are further achieved, and the product is comprehensive in nutrition, excellent in taste, safe in quality and suitable for people who are sub-healthy and do exercises and fitness and the like.

The application provides a hydrogen peroxide gas sterilization load evaluation method, device and storage medium, relates to the field of low-temperature sterilization technology, and comprises the following steps: obtaining a load feature of hydrogen peroxide gas sterilization, wherein the load feature comprises a first load feature and a second load feature, and collecting sample data of hydrogen peroxide in the production and test processes; collecting sample data according to the load feature, constructing a sterilization correlation evaluation graph, processing a plurality of sterilization systems based on the sterilization correlation evaluation graph, and obtaining first sterilization load evaluation feature information and second sterilization load evaluation feature information; and using a genetic algorithm to solve the first sterilization load evaluation feature information and the second sterilization load evaluation feature information, so as to obtain an optimal solution of hydrogen peroxide gas sterilization load evaluation. The application has the beneficial effect that a guidance basis can be provided for the evaluation of sterilization load, and it is beneficial to reduce instrument damage, save sterilization agents and reduce sterilization agent residues.

A low-temperature sterilization device and a method thereof, which are used to decontaminate various medical equipment. The low-temperature sterilization device is designed to automatically clean, disinfect and sterilize contaminated medical equipment by applying ultrasonic waves, ultraviolet rays and ozone, along with super oxidant or sterilant in aqueous solutions to achieve rapid and high quality cleaning, desorption, destruction and decontamination reactions to remove all adhering pollutants, microorganisms, bacteria and viruses from all crevices, pores and corners of contaminated medical equipment, thus, to ensuring sterilization for medical equipment especially for those do not sustain high temperature sterilization.

The invention belongs to the technical field of sterilization monitoring, and discloses low-temperature sterilization chemical indication ink as well as a preparation method and application thereof. The low-temperature sterilization chemical indication ink comprises the following components in parts by weight: 0.5-20 parts of a composite catalyst, 0.1-5 parts of a sterilization color-changing color developing agent, 0.2-5 parts of a stable color developing agent, 2-35 parts of an adhesive, 15-85 parts of a solvent and 0.1-10 parts of an auxiliary agent, the adhesive comprises shellac and ethyl cellulose in a mass ratio of (1-10): 1; the composite catalyst comprises a strong oxidizing catalyst and a Lewis acid catalyst. The indicating ink has excellent stability, adhesion, rapid sterilization responsiveness, high sensitivity and environmental protection property, is short in color changing time and uniform in color changing, can be used in the sterilization process of heat-sensitive medical apparatuses and instruments, medicine packaging materials, instant food and cold chain packaging, and has a wide application prospect. The method is suitable for a low-temperature hydrogen peroxide plasma sterilization or low-temperature ethylene oxide sterilization process, and a high-precision and high-reliability sterilization monitoring scheme is provided for the industries of medical treatment, medicine and food.

The present application relates to the technical field of traditional Chinese medicine processing, and specifically relates to a kind of anti-caking easy-to-store rhizoma polygonati powder and its preparation process, which sequentially includes raw material selection, washing, slicing, curing, drying, low-temperature wall-breaking ultrafine grinding, anti-caking treatment, low-temperature sterilization, nitrogen-filled packaging and storage steps.Curing and drying control moisture content to be less than or equal to 5%, low-temperature grinding (pulverizer material tank temperature is -15 to -10℃) in a constant temperature 22℃ environment, cell wall (membrane) breaking rate reaches more than 95%, anti-caking can be achieved by adding 0.2%-0.5% anti-caking agent or premixing 10%-20% poria cocos / maltodextrin freeze-drying, and after cobalt-60 irradiation sterilization, PET / AL / PE aluminum foil composite bag is used for nitrogen-filled packaging.The present application can store rhizoma polygonati powder for 18-24 months without obvious caking, the retention rate of active ingredients is greater than or equal to 86%, the process is simple, the cost is controllable, and the present application is suitable for industrial production, and a method for repairing hardened rhizoma polygonati powder is also provided.

The utility model relates to the technical field of low-temperature sterilization effect monitoring, and discloses a low-temperature sterilization effect monitoring device which comprises a device shell, a sensor group and a main control board, and a monitoring pipe is arranged at one end of the device shell 1. A sensor group consisting of a temperature sensor, a humidity sensor, a pressure sensor and a gas concentration sensor is arranged in a device shell, a main control board is arranged in an equipment box, and a double-color display screen is arranged on the equipment box, so that the temperature, the humidity, the pressure and the sterilizing agent concentration in the sterilizer can be monitored through the sensor group; and whether the sterilizer is qualified or not is displayed through the double-color display screen, so that whether the sterilizer is qualified or not is conveniently judged.

The application discloses a kind of microbial method preparation flavour red sour soup Semi-automatic production equipment and its using method, the equipment is divided into raw material cleaning component, mixing component, natural fermentation component, artificial auxiliary bacteria selection part, bacteria culture structure, neutralizing device, control fermentation component, low-temperature sterilization component and nitrogen sealing component, and the quality of stable flavour red sour soup is prepared by strict process control and unique fermentation mode.The equipment and method for preparing red sour soup of the application have the characteristics of red sour soup index detectable, whole process pollution-free, stable and reliable quality, and abundant nutrition.

The utility model relates to the technical field of fruit and vegetable juice production, and discloses cold-pressed fruit and vegetable juice low-temperature sterilization equipment which comprises a sterilization assembly, the sterilization assembly comprises an outer cylinder, end covers are fixed to the two ends of the outer cylinder, an inner layer cavity is formed in the outer cylinder, and an outer layer cavity is formed between the outer wall of the inner layer cavity and the inner wall of the outer cylinder; a heating element is fixed to the peripheral side of the outer cylinder, and an electric heating rod is further arranged in the outer layer cavity. By means of the sterilization assembly, fruit and vegetable juice needing to be sterilized is added through the feeding hopper during use, the fruit and vegetable juice enters the inner-layer cavity, the inner-layer cavity is arranged in an S shape, holes are formed between the outer walls close to each other, heated water in the outer-layer cavity can flow into the inner-layer cavity, water bath heating is conducted on the inner-layer cavity, the inner-layer cavity is evenly heated, and finally sterilization is achieved. The problem that fruit grains in fruit and vegetable juice containing fruit grain products are damaged in the process due to the fact that most of fruit and vegetable juice is uniformly heated in a stirring mode in an existing scheme is solved.

The invention belongs to the technical field of sterilization monitoring, and discloses a low-temperature sterilization color-changing indicator card and a preparation method and application thereof. The low-temperature sterilization color-changing indicator card comprises a base material, and at least two color-changing indicator units are printed on the surface of the base material; the color change indicating unit comprises a basic ink layer and a catalytic ink layer; the basic ink layer comprises a stable color developing agent and an adhesive in a mass ratio of 1: (8-15); the catalytic ink layer comprises a sterilizing color-changing color developing agent and a catalyst in a mass ratio of 1: (5-15); the thickness of the catalytic ink layer is 3-25 [mu] m; the thicknesses of the catalytic ink layers of the at least two color change indicating units are different. The low-temperature sterilization color-changing indicator card has the advantages of fast and adjustable sterilization response rate, high sensitivity and excellent stability, can quickly respond in the low-temperature sterilization process, can accurately reflect the sterilization effect while keeping the stable and accurate performance in the storage and use processes, and ensures the reliability and accuracy of the sterilization process.

The invention discloses cistanche enzyme and a preparation method thereof, and belongs to the technical field of food fermentation. The problems that in existing cistanche enzyme preparation, active ingredients are seriously lost, flora metabolism is unbalanced, the quality is unstable, and the flavor is poor are solved. A specific raw material formula and a specific preparation process are adopted; the raw materials comprise 30-50 parts of herba cistanche, 8-20 parts of an antioxidant protective agent consisting of at least two of fructus lycii and the like, and 10-25 parts of a flora adaptive slow-release carbon source consisting of at least two of red dates and the like, and are matched with a compound fermentation strain of lactobacillus plantarum, saccharomyces cerevisiae and acetic acid bacteria; the preparation process comprises the steps of segmented temperature control and dark fermentation, accurate pH adjustment, standard aging and low-temperature sterilization and sterile filling. The total content of phenylethanoid glycoside components is larger than or equal to 0.5 mg / mL, the loss rate is smaller than or equal to 10%, the activity of superoxide dismutase is larger than or equal to 100 U / mL, the viable count of lactic acid bacteria is larger than or equal to 1 * 10 CFU / mL, core functional components of cistanche deserticola and the stability of a fermentation system are reserved, the flavor and storage safety of products are improved, and high-value utilization of cistanche deserticola resources is achieved.

The application discloses a kind of composite nutrition powder with tranquilizing and sleep aiding and skin repair functions and its preparation process, according to single strip 10g measurement, comprising jujube seed powder, lily powder, tuckahoe powder, gamma-aminobutyric acid, fish collagen peptide and other components.Low temperature drying, ultrafine grinding, sterile mixing, low temperature sterilization, strip package packaging are used to obtain finished product.The application has scientific formula, tranquilizing and sleep aiding, soothing anxiety, skin repair effect, is safe and independent, has high absorption efficiency, is convenient to eat, and can effectively improve sleep quality and skin dull and slack problem.

The invention relates to the technical field of sterilization, and discloses a low-temperature sterilization device for cowhide protein peptide production and a sterilization method thereof.The low-temperature sterilization device comprises a machine body and a low-temperature sterilization bin arranged on the machine body, multiple layers of transmission rollers distributed at equal intervals are arranged in the low-temperature sterilization bin, and all the transmission rollers are synchronously driven to rotate through a transmission mechanism; and a storage cylinder for storing cowhide protein peptide powder is placed on every two transmission rollers. The device drives the storage cylinder to rotate through the transmission roller, so that the cowhide protein peptide powder in the filter screen is continuously turned over due to gravity, and a local sterilization blind area caused by powder accumulation in traditional static sterilization is avoided; meanwhile, the sterilization medium can freely penetrate through the filter screen structure of the breathable inner container, the contact area between the powder and the sterilization medium is greatly increased by combining with precise guiding of the air guide component, it is ensured that each powder can fully act with the sterilization medium, and the sterilization uniformity and thoroughness are remarkably improved.

The invention discloses a compatibility, extraction and low-temperature membrane integrated processing technology of a Korean pine nut traditional Chinese medicine tea beverage. The technology comprises the following steps: step 1, raw material preparation and compatibility design; 2, pretreating the raw materials; step 3, low-temperature synergistic extraction; step 4, membrane integrated purification; 5, performing low-temperature sterilization and stabilizing treatment; and step 6, packaging and storing. According to the invention, compatibility, extraction and low-temperature membrane integrated processing technologies of the Korean pine nut traditional Chinese medicine tea beverage are designed, low-temperature synergistic extraction and low-temperature sterilization technologies are adopted, and the whole extraction and sterilization process is carried out under a low-temperature condition, so that degradation of heat-sensitive components is effectively avoided; according to the invention, the Korean pine nuts are taken as a raw material, the biological activity of physiological activators such as unsaturated fatty acid, vitamin E, phytosterol and polyphenols in the Korean pine nuts is retained, the functionality and health care value of the product are improved, the Korean pine nut powder is subjected to enzymolysis by using cellulase and pectinase through an enzymolysis-assisted extraction technology, fat-soluble components are released, and an ethanol solvent and ultrasonic-assisted extraction are combined.

The invention discloses a method and equipment for preparing aronia melanocarpa primary pulp through a supercritical carbon dioxide extraction technology, and aims to solve the problem that an existing technology is insufficient in adaptability. The method comprises the following steps: S1, pretreating raw materials, cleaning and sorting fresh aronia melanocarpa fruits, destroying cell walls through physical field cooperation and composite enzymatic hydrolysis, terminating enzyme activity at low temperature, and drying and crushing to obtain powder; s2, polarity gradient modification: filling the powder into a kettle, and injecting a modifier containing high-polarity, medium-polarity and bridging components to improve the solubility of anthocyanin; s3, gradient pressure extraction: after low-pressure impurity removal, extracting active ingredients at high pressure; s4, separation and purification: performing multi-stage decompression separation and refined filtration to obtain a high-purity extracting solution; and S5, post-treatment, low-temperature concentration and residue removal, antioxidant blending, low-temperature sterilization and aseptic packaging. The equipment comprises a pretreatment unit, an extraction unit and the like, and a split-flow spraying, composite stirring and turbulent flow structure is arranged in an extraction kettle. The anthocyanin release and retention rate is increased, impurities and residues are reduced, the process is green and mature, and the high activity and purity of the primary pulp are guaranteed.

This utility model relates to the technical field of low-temperature sterilization equipment for fresh corn juice, and particularly to a low-temperature sterilization device for fresh corn juice. The technical solution is as follows: A low-temperature sterilization device for fresh corn juice includes a sterilization equipment body, a sealing component, a connection port, a power control mounting base, a high-frequency voltage guide roller, an active particle generator, a mounting groove, and a distributed power grid. The top surface of the sterilization equipment body is provided with a sealing component, the top surface of the sealing component is provided with a connection port, and the bottom surface of the sealing component is provided with a power control mounting base, which has multiple sets. This utility model sterilizes fresh corn juice by injecting ions and active particles into it. This can directly penetrate the corn juice film, destroy the microbial structure, and avoid the foaming and flavor deterioration caused by traditional high-temperature treatment. Simultaneously, it can control the temperature of the fresh corn juice to prevent high temperatures during processing from affecting its taste.

This invention provides a sodium hyaluronate seed culture and its preparation method. It uses *Streptococcus vesicae* as the production strain and glucose as the carbon source. The culture medium contains 0.5%–1% monosodium glutamate (MSG), and the glucose is separately sterilized at a temperature lower than that of the culture medium. The sodium hyaluronate seed culture is prepared using the following steps: strain resuscitation, strain transfer, and seed tank culture, without any shake-flask culture. By omitting the shake-flask culture step, optimizing the culture medium ratio, and using glucose for separate low-temperature sterilization, the preparation cycle is shortened, the risk of contamination and carbon source loss is reduced, the cell concentration is increased, and the fermentation cost is reduced. This significantly improves the cell concentration of the seed culture and the subsequent fermentation yield, adapting to different scale production needs and effectively reducing the production cost of sodium hyaluronate fermentation.