124 results about "CALCIUM LACTOBIONATE" patented technology

The invention relates to the technical field of biology, in particular to saffron petal polysaccharide loaded curcumin gel beads as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing stigma croci petals and water, heating in a water bath, refluxing, filtering, extracting, carrying out rotary evaporation and concentration, taking supernate, adding absolute ethyl alcohol, standing, precipitating, carrying out centrifugal suction filtration, collecting polysaccharide, adding water for redissolving, carrying out rotary evaporation to remove ethyl alcohol, and freeze-drying for later use; uniformly mixing the freeze-dried saffron petal polysaccharide solution with a curcumin solution to obtain a petal polysaccharide-curcumin solution; sequentially adding sodium alginate and a calcium lactate solution into the petal polysaccharide-curcumin, uniformly mixing, and cross-linking to obtain the negative petal polysaccharide-curcumin composite gel beads. The curcumin is loaded by the sodium alginate, calcium lactate and crocus sativus petal polysaccharide composite material, so that the hardness and the structural stability of the gel beads are enhanced, the encapsulation efficiency of the curcumin is improved, targeted slow release is favorably realized, and a practical scheme is provided for efficient delivery of natural active ingredients.

The invention belongs to the field of functional polymer materials, and particularly relates to a temperature-sensitive core-shell moisture absorption microsphere based on a biomass source and a preparation method. The preparation method comprises the following steps: dissolving methyl cellulose in water to prepare a solution A; dissolving calcium lactate and LiCl in water according to a mass ratio of 1: (2-14) to prepare a solution B; uniformly mixing the two to obtain functionalized core liquid; and dropwise adding the core liquid into a sodium alginate coagulating bath to carry out ionic cross-linking reaction to form gel microspheres, and washing and freeze-drying to obtain the product. According to the invention, a stable structure with moisture absorption salt / temperature-sensitive methyl cellulose as a core and calcium alginate gel as a shell is constructed in one step through a reverse instillation molding technology. The structure can effectively prevent moisture absorption salt from leaking, efficient release of moisture can be achieved at the low temperature by means of the temperature-sensitive characteristic of methyl cellulose, and desorption energy consumption for taking water from air is remarkably reduced. The raw materials are green, the process is simple, and the prepared microspheres are good in moisture absorption performance, high in cycling stability and suitable for atmospheric moisture collection.

The present application relates to a kind of lactic acid powder scale, continuous production equipment and production method.Lactic acid and calcium lactate are used as raw materials, first, both are input simultaneously according to the set ratio into first hollow paddle dryer, then input into second hollow paddle dryer to complete mixing, drying, lactic acid dehydration in raw material lactic acid digestion and its eutectic with calcium lactate etc.Process, then the mixture is input into pulverizer to be crushed, finally, the target lactic acid powder product is collected and screened by cyclone separator and matching screen.The hollow paddle dryer and its matching equipment used in the present application not only ensure the full mixing of raw materials, but also have heating and drying functions, which can realize the hydrolysis and conversion of lactic acid anhydride, lactylate, poly-lactylate in various specifications of lactic acid raw materials and its eutectic with calcium lactate, drying one-step continuous completion while mixing the feed, and finally shorten the production cycle of the usual process about 4-30 days to the present application process on the same day or shift.

The present disclosure provides a method for producing calcium nitrate from calcium lactate. The method comprises: a) providing an aqueous calcium lactate solution; b) adding phosphoric acid to the aqueous calcium lactate solution, thereby producing a first composition comprising lactic acid and calcium phosphate; c) separating the calcium phosphate from the first composition, thereby obtaining an aqueous lactic acid solution and a second solid composition comprising calcium phosphate; d) reacting the second solid composition with nitric acid, thereby obtaining a third composition comprising phosphoric acid and calcium nitrate; and e) separating the calcium nitrate from the third composition, thereby obtaining an aqueous phosphoric acid solution and a solid calcium nitrate composition.

The invention relates to the technical field of active peptides, and discloses a yolk-derived active peptide for promoting bone growth and a preparation method thereof. The preparation method comprises the following steps: cleaning, selecting, sterilizing and drying poultry eggs to obtain sterile poultry eggs; performing spray drying on yolk to obtain yolk powder, and performing degreasing treatment to obtain degreased yolk powder; sieving the degreased egg yolk powder, and adding deionized water to obtain a degreased egg yolk powder suspension; adjusting the pH and temperature of the degreased yolk powder suspension, and performing enzymolysis to obtain enzymatic hydrolysate; inactivating the enzymatic hydrolysate for later use; adding calcium lactate and zinc lactate into the enzymatic hydrolysate, adding geobacillus stearothermophilus, and fermenting to obtain fermentation liquor; separating to obtain an active peptide solution. According to the yolk-sourced active peptide for promoting bone growth and the preparation method, the active peptide with small molecular weight is obtained through distributed enzymolysis and fermentation and is easy to absorb, and calcium ions and zinc ions are added during fermentation, so that the active peptide is chelated with metal ions, and growth and bone development are promoted.

The invention discloses popping capsules containing soft glutinous gorgon fruits, and belongs to the technical field of popping capsule production, the popping capsules containing soft glutinous gorgon fruits comprise the following components in parts by weight: the balance of soft glutinous gorgon fruits, 5-9 parts of an inner solution and 5-9 parts of an outer solution, the inner solution comprises the following raw materials: 3-6 parts of sodium alginate, 0.1-0.3 part of a flavor enhancer, 0.1-0.5 part of xanthan gum, 0.2-0.4 part of konjac glucomannan, and the balance of drinking water; the sodium alginate is prepared from kelp, the external solution comprises the following raw materials: 2-4 parts of calcium lactate and the balance of warm water, and the calcium lactate is prepared from rice; according to the invention, the xanthan gum is arranged, the liquid viscosity can be obviously improved through the xanthan gum, a stable gel structure can be formed at low concentration, carboxyl and hydroxyl on a molecular chain of the xanthan gum are combined with water molecules through hydrogen bonds to form a three-dimensional network structure, so that the blasting bead is thickened through the characteristic, and the stability of the blasting bead is improved; and therefore, the phenomenon that the taste is influenced by excessive softening of the popping beads is avoided.

The invention relates to the technical field of water-based paint preparation, in particular to a preparation method of epoxy resin water-based paint. The coating is prepared from 58 to 89 parts of waterborne acrylic resin, 36 to 59 parts of stearic acid, 22 to 46 parts of dimethyl silicone oil, 24 to 35 parts of calcium chloride, 43 to 55 parts of propylene glycol butyl ether, 32 to 40 parts of nano zinc oxide powder, 28 to 40 parts of hydroxyethyl cellulose, 30 to 47 parts of waterborne epoxy resin, 25 to 30 parts of antimony oxide, 45 to 72 parts of terephthalic acid, 14 to 35 parts of butanol and 22 to 45 parts of calcium lactate. The coating has the beneficial effects that the film-forming property and the corrosion resistance are improved, and the water-based acrylic resin and the water-based epoxy resin combine excellent weather resistance, good cohesiveness and high drying speed of the acrylic resin and good adhesive force, chemical resistance and stability of the epoxy resin, so that the coating has good comprehensive performance; the coating not only can be kept stable under different environmental conditions, but also can resist external chemical erosion and physical wear, and the service life of the coating is greatly prolonged.

The invention discloses a low-voltage polarizable magnetic dielectric microsphere, a preparation method thereof and application of the low-voltage polarizable magnetic dielectric microsphere to adsorption of PFASs, and relates to the technical field of environmental functional materials. The microsphere has a core-shell structure of a conductive magnetic core-dielectric shell, the core is composed of ferroferric oxide and a carbon material, and the shell is a sodium alginate gel layer. The preparation method comprises the following steps: calcining the iron-carbon composite material, mixing a sodium alginate solution, cross-linking calcium lactate / calcium chloride step by step and the like. The microspheres can be subjected to interface polarization under the external 0.2-2 V / cm low-voltage direct-current electric field, a strong local electric field is generated to enhance electrostatic adsorption, meanwhile, the mass transfer and adsorption process of PFASs is synergistically enhanced through electrophoresis and electroosmotic flow effects, the adsorption rate and capacity are remarkably improved, and rapid separation can be achieved through a magnetic field. The material and the method are suitable for efficiently and deeply removing anionic PFASs in wastewater, and have the advantages of low energy consumption, high efficiency, simplicity and convenience in operation and the like.

This application discloses a high-temperature carbonized expandable gel foam and its preparation method, belonging to the field of fire prevention and extinguishing technology. The gel foam consists of 1-10% by mass of an expandable flame-retardant system, 0.81% by mass of a foaming system, 1.385% by mass of a gel system, and deionized water. The expandable flame-retardant system uses phytic acid as the acid source, gelatin as the gas source, and glucose as the carbon source. The foaming system is obtained by compounding lauramidopropyl betaine and alkyl glycosides. The gel system is prepared from sodium alginate, pectin, and L-calcium lactate. Sodium alginate and pectin can form a stable gel network with L-calcium lactate, ensuring the structural stability and long-lasting coverage of the foam at room temperature. In the expandable flame-retardant system, the acid source releases acidic groups at high temperatures, catalyzing the dehydration and carbonization of the carbon source to form a carbon skeleton. The gas source decomposes and produces gas, driving the skeleton to expand into a dense carbon layer, achieving oxygen and heat insulation. This gel foam rapidly covers the coal body at room temperature to isolate oxygen, and expands and retards at high temperatures, achieving the effect of inhibiting spontaneous combustion of coal.

This invention discloses a method for preparing self-healing concrete based on microbial gene programming, belonging to the field of building materials technology. The method includes: constructing a recombinant engineered strain incorporating a urease gene cluster and a carbonic anhydrase gene; preparing a spore suspension and protecting it with a three-layer microencapsulation system of sodium alginate / chitosan / gelatin; preparing nutrient-releasing microspheres encapsulating calcium lactate and urea in a polylactic acid-glycolic acid copolymer; and mixing cement, standard sand, water, fly ash, microencapsulated spore particles, nutrient-releasing microspheres, nano-silica, and modified bentonite to prepare self-healing concrete. This invention enhances the urease activity of the strain through genetic engineering, protects the spores using a three-layer microencapsulation technology, and combines a nutrient-releasing system and nano-synergists to achieve efficient self-repair of concrete cracks.

It is an object of the present invention to provide a composition in a solid form, preferably in the form of a multilayer gummy with differentiated release of active ingredients.

The present invention relates to a composition for ameliorating or treating cachexia containing calcium lactate as an active ingredient, and a method for treating cancer cachexia in a subject, the method comprising a step of administering calcium lactate or a pharmaceutically acceptable salt or solvate thereof to a subject in need thereof. The calcium lactate of the present invention acts as a Hif-1α inhibitor and exhibits an effect of suppressing body mass loss due to cancer, so that it can be used as a candidate substance for solving the problem of cancer cachexia and suggests a synergistic effect between a medical nutritional product focused on anorexia and malnutrition and a Hif-1α inhibitor.

The invention discloses a compound type freezing fresh-keeping solution for waxberries. The compound type freezing fresh-keeping solution is subacid electrolyzed water containing sodium chloride with the mass concentration of 5.0-10.0%, calcium lactate with the mass concentration of 1.0-3.0%, sea-buckthorn pectin with the mass concentration of 0.1-0.8%, chitosan with the mass concentration of 0.3-1.0%, cyclodextrin with the mass concentration of 0.05-0.5%, ascorbic acid with the mass concentration of 0.05-0.2% and green tea polyphenol with the mass concentration of 0.05-0.5%. According to the freezing fresh-keeping liquid, through the synergistic effect of multiple components, the freezing point of the fresh-keeping liquid is remarkably reduced, formation of ice crystals is inhibited, oxidative browning of fruits is slowed down, the color, flavor and texture of waxberries are effectively kept, and meanwhile growth and reproduction of microorganisms are remarkably inhibited. The fresh-keeping liquid has the characteristics of being green, safe and environment-friendly, can effectively improve the quality stability of the waxberries in the freezing storage process, and is suitable for freezing storage and fresh keeping of the waxberries.

The present application relates to product processing technical field, disclose a kind of green preparation method of vacuum freeze-drying low-salt dry sea cucumber, the method includes: after the heat preservation pretreatment of salted sea cucumber, it is placed in the desalination protection soaking solution containing D-seaweed sugar, anhydrous betaine and D-sodium isoascorbate Circulating desalination until salt change stable;L-proline is added first, then low oligosaccharide powder, anhydrous calcium lactate and D-glucose acid-delta-lactone are added in turn, so that pH gradually decreases and is conditioned and shaped;After that, it is placed in vacuum freeze dryer, the crystallization exothermic recovery peak of sea cucumber center temperature is monitored, pre-freezing and deep freezing treatment are completed;Finally, internal moisture is sublimated by vacuumizing and heating, and low-salt dry sea cucumber is obtained from warehouse.The present application is beneficial to reduce protein loss and water consumption during desalination period, reduce COD value of discharged waste liquid, reduce volume shrinkage of finished product, and improve rehydration and texture performance.

The invention discloses a composite hydrogel grouting material and a preparation method and application thereof, and belongs to the technical field of hydrogel grouting materials, the composite hydrogel grouting material is a two-component system, and the two-component system comprises a component A and a component B; the component A and the component B are mixed to form an ionic covalent bi-crosslinking system, that is, calcium lactate / calcium gluconate in the component B and sodium alginate in the component A are rapidly subjected to ionic crosslinking, initial setting within 15-38 seconds is achieved, and it is ensured that slurry is rapidly formed after being injected into a flowing water channel and cannot be washed away by water flow; meanwhile, acrylamide and N, N '-methylene bisacrylamide form covalent crosslinking under the action of an initiator-accelerant, so that the structural stability of the gel is improved. The contradiction that the existing single cross-linked hydrogel is fast in gelation and low in strength and high in strength and slow in gelation is broken, and efficient leaking stoppage can be realized in a flowing water environment with the flow velocity of 0.1-1.0 m / s.

The invention provides a saliva response type blasting bead and a preparation method thereof, and belongs to the technical field of food processing. Based on a sodium alginate-calcium ion gel system and specific response of oral alpha-amylase and maltodextrin, black tea soup, erythritol and menthol are used as core materials, maltodextrin, hydroxypropyl starch, sodium alginate and calcium lactate are used as shell materials, a forward dripping ball making technology is adopted, and the oral alpha-amylase-calcium alginate ball is prepared. The saliva response type blasting bead is successfully developed, and the optimal preparation process and formula of the saliva response type blasting bead are determined. The product no longer relies on traditional mechanical force to release the core material, but realizes targeted release of the core material through efficient enzymolysis of amylase in the oral cavity on the shell, and integrates the flavor of black tea and the cool taste to endow consumers with novel sensory experience.

The present application relates to jelly production technical field, specifically to a kind of food medicine homologous sucking jelly production process, comprising the following steps: S1, into the boiling material tank low oligosaccharide, after stirring even big material is poured into material bucket;Start boiling material system, automatically in turn join process cold water, fructose syrup, process hot water;When material liquid temperature rises to 85~90 ℃, add treated calcium lactate solution, after stirring, add treated fruit juice fruit pulp, continue to boil material to boiling and keep warm;S2, when material liquid temperature drops to 83-87 ℃, deployment, soluble solids are 16.5±0.5%;S3, filling temperature is not less than 70 ℃.In the present application, the food medicine homologous sucking jelly is prepared by using appropriate proportion of dragon's blood and konjac powder, and calcium lactate, oligosaccharide and food medicine homologous fruit juice are added in the raw materials, and the parameters of pH value and soluble solids content are controlled and temperature is controlled, so that the food medicine homologous sucking jelly is realized, and the taste is good.

The present application relates to spray drying equipment technical field, disclose a kind of for calcium lactate processing spray drying device, the device includes spray drying component, separation component and cleaning component, the separation component is arranged in one side of spray drying component, the cleaning component is arranged in the inside of spray drying component, the spray drying component includes drying chamber, the lower portion of the drying chamber is provided with hopper, the surface of the hopper is provided with material conveying pipeline, the upper portion of the drying chamber is provided with air distributor, the inside of the drying chamber is provided with atomizer.The present application is provided with the cleaning component with rotary blowing and self-adapting mechanical cleaning function, realizes the automatic cleaning to the inside of spray drying device, especially drying chamber inner wall and hopper inner wall, effectively prevents material accumulation, maintains the good working condition of drying chamber, improves thermal efficiency.

The invention belongs to the technical field of preparation of fresh dendrobium officinale juice blasting beads, and discloses a process for preparing fresh dendrobium officinale juice blasting beads based on a forward balling method.The process comprises the following steps that S1, a sodium alginate solution is prepared from dendrobium officinale juice, the adding amount of sodium alginate is 0.7%-1%, then the dendrobium officinale juice is added into the solution, stirring is conducted for 1-2 h, and a mixture is obtained; the dilution ratio of the prepared dendrobium officinale juice is (1: 6)-(1: 8); s2, a calcium lactate solution is prepared with distilled water, and the addition amount of calcium lactate is 2%-3.5%; s3, the core liquid is slowly dropped into a calcium lactate solution, a layer of gel film is formed on the outer layer after reaction, and the core liquid is fished out and placed in distilled water to be rinsed; wherein the reaction time is 1.5 to 4 minutes. According to the invention, the forward spheroidizing technology is utilized to prepare the dendrobe blasting beads, and the prepared blasting beads are moderate in particle size and film thickness, round and full in appearance, slightly transparent, good in taste, appropriate in sweetness and obvious in pulp blasting feeling by optimizing the process and the formula.

The invention belongs to the field of effervescent tablets, and particularly relates to an egg shell source calcium lactate effervescent tablet with egg shells as raw materials and a preparation method of the egg shell source calcium lactate effervescent tablet. The preparation method of the egg shell source calcium lactate effervescent tablet comprises the following steps: carrying out shell membrane separation on egg shells, then drying, crushing and calcining, carrying out organic acid reaction on the obtained calcium oxide by using a lactic acid solution, filtering the reaction product, concentrating the filtrate under reduced pressure, and drying and crystallizing the concentrated solution to obtain the egg shell source calcium lactate. The effervescent tablet is prepared from the following raw materials: eggshell-source calcium lactate, an effervescent system and an additive. The effervescent tablet prepared by the method has the technical advantages of good solubility (high solution clarity), strong stability, good taste and the like.

The invention discloses a nicotine-containing microcapsule and a preparation method thereof, and relates to the technical field of nicotine oral products. The nicotine microcapsule comprises 5-20 parts of gelatin, 20-40 parts of fish gelatin, 20-40 parts of sodium alginate, 1-10 parts of nicotine salt, 1-5 parts of calcium lactate, 1-5 parts of xanthan gum, 1-20 parts of chitosan, 0.1-2 parts of a sweetening agent, 1-10 parts of edible essence, 1-10 parts of an essence solvent and the balance of distilled water. According to the preparation, a certain amount of nicotine salt is added on the basis of an existing microcapsule, part of gelatin is replaced with fish gelatin, on the basis that nicotine intake is met, irritation caused by smoking of a nicotine oral product is improved, the elasticity of an outer film shell of the microcapsule is increased, the texture is soft and smooth, and the preparation is convenient to carry and smoke.

The invention discloses bean jelly and a preparation method thereof, and relates to the technical field of food preparation. The defects of bean jelly processing in the prior art are overcome. The bean jelly is prepared from the following components in parts by weight: 0.8 to 1.2 parts of sodium alginate, 96 to 100 parts of water, 0.3 to 0.5 part of calcium chloride and 0.3 to 0.5 part of calcium lactate. The mass ratio of the sodium alginate to the water is 1: 100. The preparation method of the bean jelly comprises the following steps: mixing sodium alginate with water, and dehydrating until the water content is 30-40% to obtain a component A; heating water to boil, adding the component A, and uniformly stirring; and adding calcium chloride and uniformly stirring. Gradient cross-linking is achieved through the rapid gelling property of calcium chloride and the slow release characteristic (pH sensitivity) of calcium lactate, the contradiction between the gelling speed and strength is solved, the obtained bean jelly is high in gel strength, good in transparency and smooth in taste, and the preparation technology is simple, low in cost, safe to eat and suitable for industrial production.

The present application relates to the technical field of microbial immobilization, and discloses a preparation process of a specific carrier immobilized multifunctional microbial flora composition, comprising: mixing multifunctional microbial flora with an inducer to produce extracellular polymers, to obtain pretreated bacterial solution; adding carboxymethyl deacetyl chitin to the pretreated bacterial solution and adjusting the pH value, to form a primary wrapping suspension; immersing a porous carrier in the primary wrapping suspension, spraying a sodium phytate and calcium lactate composite aqueous solution under a pressure difference environment, and constructing a concentration gradient crosslinking network on the surface and pores of the carrier through ion bridging, wherein the present application utilizes component protonation response mechanism and nonlinear crosslinking distribution to actively open diffusion channels under a specific acid-base environment, reduce metabolic product discharge resistance, and maintain long-term metabolic activity and structural stability of the microbial flora.

To provide a composition for oral cavity containing an enzyme, excellent in stability of the enzyme, and capable of improving harsh taste.SOLUTION: The composition for the oral cavity comprises (A) sodium fluoride, (B) one or more kinds selected from the group consisting of calcium chloride, calcium gluconate, calcium lactate and calcium pantothenate, (C) one or more kinds selected from the group consisting of condensed phosphoric acids and their alkali metal salts and (D) an enzyme.SELECTED DRAWING: None

The present application belongs to the technical field of washing liquid, and particularly relates to a mild laundry liquid for low-temperature stain removal based on microcapsule embedding technology. The laundry liquid is composed of microcapsules and laundry liquid base liquid. The microcapsules are composed of the following raw materials: a biological enzyme system, a polyol protective agent, a sugar-protein protective agent, a complexing agent, calcium lactate, an interface booster, sodium alginate, a polysaccharide, CaCl2, hydroxyethyl cellulose and PEG-400. The laundry liquid base liquid is composed of the following raw materials: a mild surfactant, a complexing agent, PEG-400, polyvinylpyrrolidone and a thickening agent, and the rest is deionized water. The present application realizes the unification of low-temperature high-efficiency stain removal and mild washing and protection in a four-layer structure. The core phase protects the enzyme and resists the interference of hard water. The double-triggered shell resolves the contradiction between storage stability and fast release in washing, the outer layer promotes the dispersion and mass transfer of the capsule, the mild base liquid reduces the damage to the fabric, and the multiple structures are cooperatively adapted to the low-temperature fast washing scene.

Provided is an oral composition having good fluorine ion retention properties and good low-temperature storage stability. An oral composition containing: (A) sodium fluoride; (B) one or more substances selected from the group consisting of calcium lactate, calcium gluconate, calcium chloride, and calcium pantothenate; (C) one or more substances selected from condensed phosphoric acid and alkali metal salts thereof; and (D) isopropyl methyl phenol.

This invention discloses a preparation process for a moisturizing, anti-damage, and nourishing nail gel, belonging to the field of nail gel preparation technology. The process includes the following steps: mixing and stirring flexible aliphatic polyurethane acrylate, epoxidized soybean oil acrylate, isoborneol acrylate, and tripropylene glycol diacrylate; adding 2,4,6-trimethylbenzoyl-diphenylphosphine oxide and stirring; sequentially adding alkyl phosphate, polydimethylsiloxane, and an organosilicon defoamer and stirring; adding modified hydrolyzed keratin and stirring; adding modified plant squalane and stirring; adding modified calcium lactate and stirring; and adding a functional agent and stirring to obtain a mixture. The mixture is then vacuum degassed and filtered using a filter to remove impurities, yielding a moisturizing, anti-damage, and nourishing nail gel. In this invention, modified plant squalane is added, which is completely compatible with the gel layer and can form strong hydrogen bonds with the nail surface, locking the moisturizing ingredients firmly between the nail surface and the gel layer, preventing evaporation and loss, and achieving long-lasting moisture retention.

The invention belongs to the technical field of biomedical materials, and particularly relates to mTG hemostatic gel for digestive tract endoscopy and a preparation method of the mTG hemostatic gel, and the mTG hemostatic gel is prepared from the following raw materials in parts by mass: 45-65 parts of tyrosine grafted gelatin nanofiber, 10-20 parts of catechoyl alanine, 3-6 parts of glycerol, 0.2-0.4 part of calcium lactate, 8-42 parts of physiological buffer solution and 5-10 parts of microbial transglutaminase. The preparation method comprises the following steps: uniformly mixing the raw materials, and performing catalytic cross-linking formation under a neutral condition to form a gel network with strong tissue adhesion and good biocompatibility, so that the prepared gel can be quickly cured in a complex liquid environment of gastrointestinal tracts, the hemostasis efficiency and stability are remarkably improved, and the gel has the advantages of high gel forming speed, high shear strength, easiness in operation and stable structure in liquid; the device is suitable for local wound surface sealing and rapid hemostasis in endoscopic surgery, and has good clinical popularization value.

The invention relates to the technical field of collagen peptide extraction, and particularly discloses a preparation method of fresh bovine bone collagen peptide for increasing bone mineral density, which comprises the following steps: step S1, degreasing treatment; step S2, crude extraction; step S3, performing enzymolysis; step S4, performing supercritical extraction; according to the technical scheme, the extraction promoting liquid is added in the crude extraction process, meanwhile, ultrasonic-assisted synchronous microwave radiation is matched, calcium lactate, lecithin, chlorogenic acid and compound enzyme are added in the enzymolysis process, and the purity and yield of the fresh bovine bone collagen peptide are improved through the synergistic effect of all the procedures.

The application discloses an anti-fatigue composition for high-temperature environment and application, and belongs to the technical field of medicines.The anti-fatigue composition for high-temperature environment is composed of the following components in parts by weight: 15-45 parts of mung beans, 15-45 parts of adzuki beans, 15-45 parts of black beans, 5-15 parts of licorice, 5-20 parts of medlar, 2-12 parts of American ginseng, 0.3-1 parts of L-calcium lactate, 0.01-0.05 parts of zinc gluconate, 0.00005-0.0005 parts of potassium iodide, 0.0002-0.0015 parts of vitamin and 0.0001-0.001 parts of vitamin.The anti-fatigue composition for high-temperature environment can enhance the anti-heat stress capacity of mice exposed to high temperature, prolong the exhaustive swimming time of mice under high-temperature load and enhance the anti-fatigue capacity of mice in a high-temperature environment.