47results about How to "Avoid thermal denaturation" patented technology

The invention belongs to the field of protein beverage and relates to a composite dietary fiber solution, a preparation and a protein beverage thereof. The composite dietary fiber solution provided by the invention contains water-insoluble dietary fiber, water-soluble dietary fiber, active polysaccharide, oligosaccharide, colloid and water. By the addition of the composite dietary fiber solution in a protein beverage, the protein beverage can satisfy requirements of human body on various dietary components. In addition, the degradation problem of dietary fiber in the production and storage processes of the protein beverage is effectively solved.

The invention provides a collagen matrix freezing gel used for biomedical materials and a preparation method thereof. The collagen matrix freezing gel is the collagen extracted from skins or tendons of healthy domestic animals using the enzyme method with the molecular weight of 280 to 320kDa and a well maintained triple helical structure; the collagen reacts for 1 to 7 days in the condition of low temperature of 0 to minus 50 DEG C in a die after through cross linked and modified reaction with hydroformylation polysaccharide, then extrudes the die and is defrosted, thus forming the collagen matrix freezing gel. The preparation of the collagen matrix freezing gel of the invention in particular relates to the extraction of the collagen, the preparation of the hydroformylation polysaccharide and the synthesis of hydroformylation polysaccharide-collagen matrix freezing gel. The hydroformylation polysaccharide-collagen matrix freezing gel prepared by the invention improves the mechanical property, thermal stability and anti-enzyme degradation, etc., of pure collagen gels, and the freezing gel has the advantages of porosity, plasticity, hydrophilic property and non-toxicity, and can be used as biomedical materials such as bio-scaffold, cell cultivation, drug controlled release and biological dressings.

Provided is a phosphor composite member having excellent thermal resistance, high color rendition, controllability of various chromaticities from a daylight color to a light bulb color, and high luminescence intensity. A phosphor composite member in which a sintered inorganic powder body layer containing a SnO—P2O5-based glass and an inorganic phosphor powder is formed on a surface of a ceramic base material, wherein upon irradiation with an excitation light, the ceramic base material and the sintered inorganic powder body layer emit different fluorescences having different wavelengths.

The invention relates to liquid infant milk for newborn to six-month-old infants and a production method thereof. The liquid infant milk contains a certain amount of protein, fat, carbohydrate, vitamin A, vitamin D, vitamin E, vitamin K1, vitamin B1, vitamin B2, vitamin B6, vitamin B12, nicotinic acid, folic acid, pantothenic acid, vitamin C, biotin, sodium, potassium, copper, magnesium, iron, zinc, manganese, calcium, phosphorus, iodine, chlorine, selenium and lactoferrin, has comprehensive nutrition and can be used as a breast milk substitute for the newborn to six-month-old infants. The production method of the infant milk adopts a combined way of separately treating heat-sensitive materials and other materials, respectively adopting a combination of different processes and conducting membrane filtration and low-heat sterilization to the heat-sensitive water-soluble materials, can prevent the nutrient components of raw materials from being lost and degenerated, and can remove microorganisms on the premise that the nutrient components are reserved to the utmost extent.

The present invention relates to a vegetable soft capsule composition not comprising chemical metal salts and, more particularly, to a vegetable soft capsule composition which comprises only 6 wt % or less of iota-carrageenan, which is an expensive vegetable gelling agent, such that, even without using chemical metal salts such as sodium salts or potassium salts, a capsule has no disintegration problem and a soft capsule can be adhered only by means of pressure and not heating. According to the present invention, preparation cost for a soft capsule is reduced by minimizing the amount of carrageenan, which is 10-20 times more expensive than starch (starch or modified starch), sodium (salts), which are a chemically synthesized product that causes adult diseases such as hypertension and heart diseases, are not used, and heat is not applied during adhesion (sealing), thereby preventing heat denaturation of active ingredients contained in the contents of the soft capsule.

The invention discloses a piglet's mixed feed composition using dephenolized cottonseed protein. The piglet's mixed feed composition comprises the following raw materials by weight percent: 50-60 percent of corn, 6-15 percent of extruded corn, 3-8 percent of wheat bran, 8-15 percent of soybean meal, 6-10 percent of dephenolized cottonseed protein, 3-5 percent of fermented soybean meal, 0.6-1.2 percent of calcium hydrophosphate, 0.6-1.2 percent of stone powder, 0.10-0.50 percent of 98% lysine, 0.01-0.05 percent of methionine, 0.05-0.1 percent of choline chloride, 0.2-0.5 percent of salt and 1-1.5 percent of premix. The mixed feed is based on the normal corn and soybean meal type piglet's feed formula, and adopts 6-10 percent of dephenolized cottonseed protein to replace part of soybean meal to supplement part of synthetic amino acid without influencing the performance trait of piglets, and meanwhile, the weight gain cost of pork pigs is also lowered.

A method for drying the nano-class material features the combination of paddle-type drier with microparticle drier. Said paddle-type drier is used for pre-drying at temp lower than 150 deg.C to remove the most of moisture. Said microparticle driver is used for drying, pulverizing, classifying and pneumatic delivering. Its advantages are high granularity uniformity and low energy consumption.

The invention discloses an extraction method for baga pigment, which takes fresh baga roots as the raw material and comprises the steps of ethanol immersion, liquid smash, solid-liquid separation, and one step completion of reduced pressure distillation, concentration and drying; wherein, the pressure of the reduced pressure distillation is reduced to less than or equal to 1000Pa and the temperature is controlled less than or equal to 50 DEG C. Ethanol is recycled in the process of reduced pressure distillation and the influence of heating is avoided in the whole process of water evaporation to dryness, thus achieving the purposes of keeping the extracted baga haematochrome beautiful in color and reserving the biological activity of the natural product.

The invention belongs to the processing field of flour production and particularly relates to a method for making wheat flour for extracting vital gluten. The method for making the wheat flour for extracting the vital gluten comprises the following steps of: wheat pre-washing, wheat washing and water adjusting, pure wheat flour grinding, flour mixing and post processing, wherein the pure wheat flour grinding step comprises skin grinding, core grinding, dreg grinding and tail grinding. A skin grinding system comprises a primary skin grinding port and a secondary skin grinding port. The method is characterized in that the speed ratio of the secondary skin grinding port in the skin grinding system is 2:1, namely that the speed ratio of a fast roller to a slow roller is 2:1; and grinding rollers adopted in the core grinding system, the dreg grinding system and the tail grinding system are all matt surface rollers, and the speed ratio of the matt surface rollers is 1.25:1. The wheat flour for the vital gluten, produced by the technical method meets the quality requirement for extracting the vital gluten, few gluten proteins and starch particles are destroyed, gluten is easily formed, and the separating yield rate of the vital gluten is increased by 0.8% more or less. Power consumed by the flour making method is about 5% less than power consumed by a traditional method, so that the energy saving effect is remarkable.

The invention discloses an emulsion stabilizer for soymilk beverages and a preparation method of the emulsion stabilizer and relates to plant protein beverages. The emulsion stabilizer comprises, by mass percentage, 10-40% of xanthan gum, 15-40% of sodium carboxymethyl cellulose, 10-40% of mono-, bis-glycerin fatty acid ester, 1-15% of carrageenan, 1-15% of sodium alginate and 5-15% of sodium tripolyphosphate. The preparation method includes: mixing the xanthan gum, the sodium carboxymethyl cellulose, the sodium alginate, the mono-, bis-glycerin fatty acid ester, the carrageenan and the sodiumtripolyphosphate to obtain the emulsion stabilizer. The emulsion stabilizer is used for producing the soymilk beverages, the produced soymilk beverages do not have bleeding, layering and precipitation within the warranty period, and the quality and taste of the soymilk beverages are increased.

The invention discloses an automatic splitting robot system for livestock and poultry slaughtering. The automatic splitting robot system is characterized by comprising a simultaneous translation system (1) used for hanging livestock and poultry, wherein one side of the simultaneous translation system (1) is provided with a double-knife alternate type chopping and cutting system (3) capable of upwards and downwards operating, and one side of an operation route of the simultaneous translation system (1) is provided with a real-time surveying and mapping automatic positioning system (2). The automatic splitting robot system has the advantages that the yield can be controlled to 0 to 700 per hour, the splitting rate is greater than 99.99 percent, and the carcass loss is smaller than 0.01 percent. Because the double-knife alternate type chopping and cutting is adopted, no moment is generated at the contact part of meat and knife blades, the thermal denaturation of protein near the contact surface is avoided, and the production loss is low.

The invention discloses a technique for preparing semi-skimmed white peanut kernel by using a low temperature static cold milling technique. The peanut kernel after cleaning, grading and selecting by color is dried at a low temperature of not higher than 80 DEG C and then cooled, peeled and removed with the peanut skin by wind with a peanut skin removing rate of not less than 98 percent to obtain the whole or half white peanut kernel; then the peanut kernel is milled at the low temperature and in a static status with a hydraulic oil mill; pressure is raised to 20-35MPa and milling time is 10-30 minutes; oil fat is squeezed with an oil extraction rate of 20-30 percent; the partially skimmed peanut kernel cake is discharged at a decreased pressure and then sent to a quality regulation deformer; hot water with the temperature of 40-80 DEG C is sprayed to the quality regulation deformer; moisture of the material is kept at 5-10 percent; quality regulation is carried out for 10-30 minutes; the flattened peanut kernel can recover the original shape and the semi-skimmed white peanut kernel is obtained. The semi-skimmed white peanut kernel of the invention can be applied in the production of diversified peanut food with an oil content of 20-30 percent and the protein does not denaturize, thus being applicable as raw materials in the production of fully-skimmed denaturized peanut protein powder by low temperature lixiviation.

The invention discloses a continuous minced fillet production system and a method for preparing minced fillets, and belongs to the field of minced fillet processing. The system comprises a fish meat separation machine, a first horizontal screw settling centrifuge, a continuous soaking pond, a rotary screen, a first built-in spray head rotary screen, a second horizontal screw settling centrifuge and post-treatment equipment. Through horizontal screw settling centrifuging, quick solid-liquid separation of a minced fillet aqueous solution is realized, and moisture removal is more thorough; and the centrifuge is used for performing solid-liquid separation, the continuous soaking pond is used for performing oil-water separation, and the built-in spray head rotary screen is used for performing adehydrating process and a rinsing process, so that serialization task of a minced fillet production flow is realized. Compared with a traditional production line, the continuous minced fillet production system disclosed by the invention does not need a link of extruding for dehydrating, so that the quality of the minced fillets can be improved, and protein denaturation in a processing course is reduced.

The invention relates to liquid milk applicable to babies 6-12 months old and a production method of the liquid milk. The liquid milk contains proteins, fat, carbohydrate, vitamin A, vitamin D, vitamin E, vitamin K1, vitamin B1, vitamin B2, vitamin B6, vitamin B12, niacin, folacin, pantothenic acid, vitamin C, biotin, sodium, potassium, cuprum, magnesium, ferrum, calcium, zinc, phosphorus, iodine, chlorine and lactoferrin in specific contents. The liquid milk is comprehensively nutrient and provides energies within a specific range, and is suitable for serving as a breast milk substitute for babies 6-12 months old. Thermosensitive materials are separated from other materials for treatment in the production method, different process combinations are used to treat the materials, the combination of membrane filtering and low-temperature sterilization is used to treat the thermosensitive water-soluble materials, and accordingly degeneration and loss of nutrients in the raw materials are avoided, and the obtained product is especially suitable for babies.

The invention belongs to the technical field of walnut processing, and particularly relates to a processing method of walnut kernel beverage which comprises the steps of peeling, pulping and blending,homogenizing and sterilizing; the step of peeling is that, freezing walnut kernels at 10-20 DEG C for 30-40 minutes, then putting the walnut kernels into a plasma activating machine, treating the walnut kernels with plasma gas for 4-6 minutes under the conditions of 50-60 Pa pressure and 110-140 W activation power, and then washing the walnut kernels with deionized water at 10-30 DEG C under highpressure to obtain peeled walnut kernels. The walnut kernel beverage prepared by the method disclosed by the invention has high nutritional value, rich nutritional ingredients, uniform texture, fineand smooth taste, and long shelf life. The peeling method is simple and feasible, which has high controllability, high safety, high peeling effect and less nutrition loss. The pulping and blending method is simple and feasible, which has low cost and low control requirement, and can enrich nutrient composition of the walnut kernel beverage, and waste of walnut protein is avoided.

The invention relates to a health-care pumpkin seed beverage. 100 parts of finished beverage products are prepared through the following steps: weighing the following components in parts by weight: 3-8 parts of dry pumpkin seed products with skins, 3-5.5 parts of sugar, 0.05-0.35 part of an emulsifying agent, 0.01-0.3 part of dietary alkali and 0.05-0.3 part of a protein stabilizing agent, then adding water, and finally processing and compounding the dry pumpkin seed products with skins, the sugar, the emulsifying agent, the dietary alkali, the protein stabilizing agent and the water. The processing method of the health-care pumpkin seed beverage comprises the following production steps: 1) cleaning the dry pumpkin seed products; 2) grinding the cleaned dry pumpkin seed products into pulp; 3) separating the pulp from dregs so as to obtain serosity; 4) emulsifying the serosity, the emulsifying agent, the protein stabilizing agent and the dietary alkali so as to obtain feed liquid; 5) dissolving the sugar so as to obtain syrup; 6) compounding the emulsified feed liquid with the syrup so as to obtain a pulp material; 7) filtering the pulp material; 8) pouring the filtered pulp material into a container, and sealing the container; and 9) performing high-pressure sterilization. According to the health-care pumpkin seed beverage disclosed by the invention, a method for grinding all the pumpkin seeds into the pulp with warm water is adopted, peeling equipment is omitted, and the pulp grinding technology is simple; besides, the loss of nutrient components is avoided, and the heat denaturation of pumpkin seed protein is avoided, so that the beverage obtains satisfactory mouth feel, and products have better health-care functions.

The invention provides a collagen matrix freezing gel used for biomedical materials and a preparation method thereof. The collagen matrix freezing gel is the collagen extracted from skins or tendons of healthy domestic animals using the enzyme method with the molecular weight of 280 to 320kDa and a well maintained triple helical structure; the collagen reacts for 1 to 7 days in the condition of low temperature of 0 to minus 50 DEG C in a die after through cross linked and modified reaction with hydroformylation polysaccharide, then extrudes the die and is defrosted, thus forming the collagen matrix freezing gel. The preparation of the collagen matrix freezing gel of the invention in particular relates to the extraction of the collagen, the preparation of the hydroformylation polysaccharide and the synthesis of hydroformylation polysaccharide-collagen matrix freezing gel. The hydroformylation polysaccharide-collagen matrix freezing gel prepared by the invention improves the mechanical property, thermal stability and anti-enzyme degradation, etc., of pure collagen gels, and the freezing gel has the advantages of porosity, plasticity, hydrophilic property and non-toxicity, and can beused as biomedical materials such as bio-scaffold, cell cultivation, drug controlled release and biological dressings.

The invention belongs to the technical field of collagen extraction, and particularly relates to fish skin collagen and an extraction method thereof. The extraction method comprises the following steps: performing enzymolysis on fish skin soaked in alkali liquor by using protease, and cleaning the fish skin to be neutral to obtain impurity-removed protein neutral fish skin; crushing the impurity-removed protein neutral fish skin, extracting by acid-enzyme combination method, salting out and dialysis to obtain fish skin collagen. According to the method, the fish skin treated by the alkali liquor is subjected to protease treatment, so that impure protein in the fish skin can be effectively removed, and purity of collagen of the fish skin is effectively improved. Meanwhile, the fish skin is mechanically treated before the collagen of the fish skin is extracted by adopting an acid-enzyme combination method, so that a contact area of the fish skin and acid can be increased, extraction time is shortened, and extraction rate of the collagen is increased.

The invention discloses a processing method for enhancing the skin quality of vegetable fish skin crisps. The method includes adding minced fish into salt to perform chopping, and adding carrot juiceand white sugar to uniformly mix; adding mixed liquor of fish-skin enzymatic hydrolysate, curdlan, xanthan gum and lotus-seed starch to uniformly stir; and compacting into skins, and preparing vegetable fish skin crisps through a high-pressure steam secondary forming technology and an individual quick-freezing technology (Individual Quick Freezing, IQF). The prepared vegetable fish skin crisps areexcellent in water holding capacity of skins, high in elasticity, strong in anti-freezing effect and not easy to fade; and the products have nutritional characteristics of high protein, high dietaryfiber and low fat, so that the processing method can have good market prospects.

The invention relates to the technical field of grain machinery, in particular to a low-energy-consumption tube bundle drying machine and a using method thereof. The device comprises a tube bundle drying machine, a swing assembly, a driving assembly, a thermal power assembly and a recovery assembly, the tube bundle drying machine comprises a horizontal housing, a hollow rotating shaft, a drying tube, a hollow disc and a scraper, the horizontal housing is fixedly installed on a bottom plate, and a cylindrical drying cavity is formed in the horizontal housing; the two ends of the horizontal cover shell are both coaxially and rotationally connected with hollow rotating shafts in a dynamic sealing mode, the ends, located in the drying cavity, of the hollow rotating shafts are both coaxially provided with hollow discs, the two hollow discs are connected through a set of evenly-distributed drying pipes, and the outer side walls of the two hollow discs are further connected through a set of evenly-distributed scraping plates; the problems of high energy consumption, poor drying effect and the like in the prior art can be effectively solved.

The invention relates to a cannabidiol-rich hemp seed oil and a preparation method thereof. The method comprises the following steps: 1, decorticating: decorticating dried hemp seeds to obtain hemp seed kernels and shells; 2, crushing: crushing dried hemp leaves and hemp seed kernels to obtain a hemp material powder; 3, extracting: carrying out subcritical extraction on the hemp material powder toobtain an extract; 4, desolventizing: evaporating the extract under a reduced pressure to remove an extracting solvent to obtain an extract concentrate; and 5, centrifuging: centrifuging the extractconcentrate to obtain a supernatant which is the cannabidiol-rich hemp seed oil. The hemp leaves and hemp seeds are compounded to serve as extraction raw materials, and undergo a subcritical extraction technology to obtain the cannabidiol-rich hemp seed oil (the content of cannabidiol is 0.20-0.28%), and the method has a high oil yield of 80-95% and a high recovery rate of 25-28%.

A sample concentrator tube having a heat-resistant planar heating element adhered thereto, an analysis device comprising the same, and an analysis method using the same, according to the present invention, have an effect capable of precisely controlling the temperature by heating the sample concentrator tube uniformly and rapidly to a target temperature for desorption, and of desorbing an adsorbed sample almost simultaneously in any part of an adsorbent by minimizing the local temperature difference of the adsorbent in the tube. In addition, it is possible to minimize chemical noise by preventing thermal denaturation of the adsorbent caused by overheating, and there is an advantage of excellent reproducibility as well as an effect of being inexpensive, economical, and excellent in energy efficiency.

The invention relates to the field of processing of agriculture products, in particular to a method for detoxifying cottonseed cake meal. The method specifically comprises the following steps of (1) putting the cottonseed cake meal and alcohol according to a feed liquid ratio of the cottonseed cake meal to the alcohol being 1-2g: 3-6ml into an extraction container, wherein the temperature is controlled to 45-55 DEG C, and the extraction time is 1.5-2 hours; (2) separating extracted mixed liquor, and then continuing adding the alcohol to the extraction container according to the feed liquid ratio of the alcohol to the extraction container being 1g: 3ml, wherein the temperature is controlled to 45-55 DEG C, and the extraction time is 1.5-2 hours; (3) repeating the step (2) 2-3 times; and (4) separating the extracted mixed liquor, taking out the cottonseed cake meal from the extraction container, and performing decompression vaporization to remove residual alcohol so as to obtain the detoxified cottonseed cake meal. According to the method disclosed by the invention, extraction is performed under the conditions of medium temperature and low temperature, so that the characteristics and the nutrient components of objective products can be maintained not to be damaged, after the extraction, the volatility of the alcohol is good, and the problem that a solvent remains can be well solved.

The invention discloses a preparation method of a barley grass powder fermented milk-containing beverage, which comprises the following steps: adding barley grass powder into water, uniformly stirring, leaching in a constant-temperature water bath at 30-60 DEG C for 20 minutes or more, and repeatedly extracting for 2-3 times to obtain barley grass juice; adding cow milk and cane sugar, and uniformly mixing to obtain a blended solution; pumping the blended solution into an ultrahigh-temperature instantaneous sterilization machine, sterilizing for 5-10 seconds at 120-135 DEG C, and cooling to 40-45 DEG C; adding yoghurt fermentation microbial inoculum for fermentation; rapidly cooling the completely solidified fermentation liquor to below 10 DEG C and refrigerating to obtain barley grass powder yoghourt; adding water, cane sugar and an emulsion stabilizer into the barley grass powder yoghourt, carrying out secondary blending, homogenizing and filling; and putting the filled product intoultrahigh static pressure sterilization equipment, maintaining the pressure for 15-30 minutes under the pressure of 200-400MPa, and finally packaging to obtain the finished product. The barley grass powder beverage with good taste is obtained, and the most important antioxidant effect in the barley grass powder is reserved to achieve the health-care effect.

The invention relates to liquid milk applicable to babies 6-12 months old and a production method of the liquid milk. The liquid milk contains proteins, fat, carbohydrate, vitamin A, vitamin D, vitamin E, vitamin K1, vitamin B1, vitamin B2, vitamin B6, vitamin B12, niacin, folacin, pantothenic acid, vitamin C, biotin, sodium, potassium, cuprum, magnesium, ferrum, calcium, zinc, phosphorus, iodine, chlorine and lactoferrin in specific contents. The liquid milk is comprehensively nutrient and provides energies within a specific range, and is suitable for serving as a breast milk substitute for babies 6-12 months old. Thermosensitive materials are separated from other materials for treatment in the production method, different process combinations are used to treat the materials, the combination of membrane filtering and low-temperature sterilization is used to treat the thermosensitive water-soluble materials, and accordingly degeneration and loss of nutrients in the raw materials are avoided, and the obtained product is especially suitable for babies.

The invention provides a low-temperature-resistant protective agent product for wheat and a use method of the low-temperature-resistant protective agent product. According to the invention, betaine is compounded with earthworm active enzyme plant polypeptide liquid, urea, monopotassium phosphate and chitosan to prepare the efficient low-temperature-resistant protective agent; the chlorophyll synthesis of wheat leaves can be remarkably improved by spraying the low-temperature-resistant protective agent on leaf surfaces, the photosynthetic capacity of the leaves is improved, the photosynthetic time of the leaves is prolonged, and the activity of antioxidant enzymes and the accumulation of osmotic regulation substances are enhanced; and thus, the cold resistance of plants is enhanced, and the damage of low-temperature stress to wheat plants is relieved. The pH value of the low-temperature-resistant protective agent provided by the invention is 5.5-6, and the low-temperature-resistant protective agent can effectively reduce the pungent smell of a preparation and lower the requirements of the preparation on transportation and storage conditions.

The invention belongs to the technical field of food processing and relates to a composite yak bone marrow freeze-dried powder composition. The composition is prepared from the following components: 70-85 parts of yak bone marrow freeze-dried powder, 10-15 parts of desertliving cistanche extract and 5-15 parts of raspberry extract, and the sum of all components is 100 parts. The invention also relates to a preparation method of the composite yak bone marrow freeze-dried powder composition. The preparation method comprises the following steps: freezing fresh yak bone marrow; drying the frozen yak bone marrow with a freeze dryer; pulverizing the dried yak bone marrow with a pulverizer; extracting desertliving cistanche decoction pieces, and then, performing milling; extracting raspberry decoction pieces, and then, performing milling; and proportionally mixing all components to prepare tablets or capsules. The composite yak bone marrow freeze-dried powder composition provided by the invention has the advantages that the yak bone marrow is processed by adopting a freeze-drying method so as to prevent thermal denaturation of active proteins in the yak bone marrow and keep all active components in the yak bone marrow; and furthermore, medicinal and edible dual-purpose components with complementary and synergetic effects are added so as to achieve certain effects on enhancing the immune function of the human body and improving the sexual function of the human body.

The invention relates to microfiltration sterilization equipment for active donkey milk, and aims at solving the technical problems in the prior art.According to the technical scheme, the microfiltration sterilization equipment comprises a raw material inlet, a feeding valve, a CIP cleaner, a material tank, a first temperature monitoring probe, a liquid level monitoring probe, a material output valve, a material pump, a microfiltration filter, a blow-down valve, a heat preservation water inlet, a heat preservation water flow adjusting valve, a drainage adjusting valve a second temperature monitoring probe, a material return valve, a sampling flow regulating valve, a sampling port, a material output valve, a finished product outlet and a PLC control cabinet. The invention aims to provide the micro-filtration sterilization equipment for the active donkey milk, the micro-filtration sterilization equipment can effectively perform non-thermal sterilization treatment on the donkey milk, meanwhile, the heating denaturation of protein is also avoided, and the equipment is provided with the heat preservation water pipeline, so that the stable control of the temperature can be effectively ensured, and the quality of the donkey milk is ensured.

The invention discloses a collagen-sodium humate compound suitable for hemostatic materials and a preparation method thereof. The invention uses natural collagen with good biological activity and natural polymer sodium humate with hemostatic and wound healing effects as main raw materials, and prepares a composite solution with good compatibility under low temperature conditions by means of the charge shielding effect of salt. The composite hydrogel was prepared by self-assembly, and the collagen-sodium humate complex was obtained by freeze-drying. The prepared composite hydrogel and sponge improved the thermal stability, hemostasis, and promotion of platelet aggregation of single collagen hydrogel, and the hydrogel and sponge had the advantages of good porosity, hydrophilicity, antibacterial and anti-inflammatory properties, etc. . The hydrogel and sponge can be used alone or in combination with other materials for hemostatic dressings.