248 results about "CALCIUM LACTOBIONATE" patented technology

The invention provides anti-cracking and anti-seepage high-performance concrete, which relates to the technical field of concrete and comprises Portland cement, aggregate, a high-activity mineral admixture, a calcium-magnesium composite expanding agent, nano silicon dioxide particles, a microcapsule-packaged sodium silicate and calcium lactate solution, paraffin / expanded graphite composite phase change microspheres, steel fibers, PVA fibers and nano cellulose. The self-repairing concrete has the characteristics that the anti-cracking performance is comprehensively improved, the anti-seepage grade is broken through, the self-repairing capability is long-acting, the construction adaptability is enhanced, and the like.

The invention discloses ultra-high performance concrete and a preparation method thereof. The ultra-high performance concrete comprises the following components in percentage by mass: 15%-25% of cement, 3%-6% of nano SiO2, 30%-35% of fly ash or steel slag powder, 35%-40% of recycled aggregate, 1%-4% of fiber, 0.5% of a microbial remediation agent and 1%-3% of nano TiO2. The preparation method comprises the following steps: S1, pretreating the recycled aggregate; and S2, packaging the microbial remediation agent: mixing the bacillus pasteurii spores with calcium lactate, and wrapping the mixture in calcium phosphate microspheres. S3, step-by-step stirring; S3.1, dry mixing: uniformly stirring the cement, the fly ash, the nano SiO2, the nano TiO2 and the recycled aggregate; s3.2, wet mixing is carried out, water solution fibers containing the polycarboxylic acid water reducing agent are added, uniform stirring is carried out, and the water-binder ratio of the water solution containing the polycarboxylic acid water reducing agent is 0.18; s3.3, final mixing: adding the packaged microbial remediation agent, and uniformly stirring; and S4, directional curing: performing steam curing at 80 DEG C for 48 hours, performing ultraviolet irradiation, and performing constant-temperature and constant-humidity curing for 7 days. The ultra-high performance concrete has the effects of low cost, low carbon emission, multi-function integration and repeatable crack self-repairing.

The invention relates to the technical field of self-healing agents, in particular to a well cementation cement slurry self-healing agent and a preparation method thereof. The modified polyethylene glycol terephthalate polymer comprises the following components in parts by weight: 30-50 parts of modified polyethylene glycol terephthalate polymer, 2-10 parts of metal oxide, 5-15 parts of lithium silicate, 0.5-2 parts of persulfate, 0.1-1 part of bacillus subtilis and 1-5 parts of calcium lactate. The isosorbide can react with ester bonds in polyethylene glycol terephthalate, so that more hydroxyl groups are introduced, and the hydroxyl groups can interact with cement hydration products or metal oxides and lithium silicate to promote formation of new mineral phases at cracks. The generation of the new mineral phase is beneficial to filling and repairing cracks, and the self-healing of the cement paste is realized, so that the long-term stability of a well cementation structure is improved. Tetraethyl orthosilicate can cooperate with other components such as the modified polyethylene glycol terephthalate polymer to jointly promote the self-healing process of set cement.

The invention discloses fruity sauce containing probiotic blasting beads and a preparation method of the fruity sauce, and relates to the technical field of jam processing. The strawberry ice cream comprises the following raw materials in parts by mass: 25 to 30 parts of diced strawberries, 15 to 18 parts of nata de coco, 28 to 33.6 parts of white granulated sugar, 9 to 10.8 parts of deionized water, 0.1 to 0.3 part of citric acid, 0.1 to 0.12 part of konjaku flour, 0.2 to 0.24 part of calcium lactate, 0.1 to 0.12 part of sodium carboxymethyl cellulose, 2.5 to 0.3 part of modified starch and 20 to 24 parts of probiotic blasting beads. Due to the addition of the probiotic blasting beads, the intestinal flora regulating and immunity enhancing capabilities of the fruity sauce are effectively improved; due to the introduction of the modified starch, the blast bead breakage-proof capability and the storage stability of the fruity sauce are improved. Therefore, the method has a wider application prospect.

The invention belongs to the technical field of feeds, and particularly relates to a variable temperature animal feed as well as a preparation method and application thereof. The variable temperature animal feed comprises a core body and a shell layer arranged on the surface of the core body, the core body comprises sodium alginate, a protein base material, a phagostimulant A and a fermentation product synergist; the shell layer is prepared from the following raw materials: sodium alginate and calcium lactate; the shell layer comprises a phagostimulant B; the phagostimulant A comprises an insect-derived phagostimulant, an animal-derived phagostimulant and a plant-derived phagostimulant; the phagostimulant B comprises freeze-dried powder containing fructose and insect zymolyte. Through the synergistic effect of the insect-derived phagostimulant, the animal-derived phagostimulant and the plant-derived phagostimulant and the delicate flavor synergistic effect of the fermentation product synergist and the insect-derived phagostimulant in the phagostimulant A, and in combination with a preparation process of a low-temperature and irradiation sterilization technology, the variable-temperature animal feed has good phagostimulant and nutrient substance retention rate; and safety is realized.

The invention discloses a sugar-free electrolyte beverage and a preparation method thereof, and relates to the technical field of functional beverages. The sugar-free electrolyte beverage comprises the following components in parts by weight: 80-90 parts of erythritol, 0.5-2 parts of an electrolyte component, 0.4-0.8 part of a buffer agent, 0.1-0.2 part of vitamin B6, 0.1-0.5 part of taurine, 1-3 parts of an auxiliary agent and 1000-1200 parts of water, the electrolyte component comprises at least four of edible salt, potassium chloride, magnesium sulfate, calcium lactate and calcium citrate, the buffer agent comprises potassium dihydrogen phosphate and sodium citrate, and the auxiliary agent comprises sodium dihydrogen phosphate and sodium citrate. The auxiliaries comprise citric acid, sodium benzoate and essence. The sugar-free electrolyte beverage disclosed by the invention is high in blood osmotic pressure recovery speed, does not cause blood sugar fluctuation when supplementing electrolyte for a human body, and tastes fresh and cool.

The invention belongs to the technical field of probiotics, and particularly relates to probiotics for improving intestinal health and application thereof. Wherein the probiotics for improving the intestinal health are a Lactobacillus plantarum LV1000 strain with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No.30865, and the strain is preserved in the China General Microbiological Culture Collection Center (CGMCC) on June 5, 2024; through unique activation culture, streak separation and bacterial colony identification steps, high activity and high purity of the strain are ensured; based on the application of the strain, two product forms of probiotic microcapsules and probiotic compositions are developed, the probiotic microcapsules adopt sodium alginate, calcium lactate and other raw materials, the intestinal colonization ability of the strain is effectively improved, and the synergistic interaction of oxidation resistance and immunoregulation is achieved by combining rosa roxburghii tratt freeze-dried powder; and the probiotic composition can comprehensively regulate the balance of intestinal flora and improve the digestive function and intestinal motility.

The invention discloses a preparation method of an environment-friendly lithium battery fire extinguishing agent based on nanofiber gel, and relates to the technical field of fire extinguishing. When the environment-friendly lithium battery fire extinguishing agent is prepared, nano sodium carboxymethyl cellulose reacts with N-isopropylacrylamide and N, N-methylene bisacrylamide to prepare semi-interpenetrating network hydrogel; the semi-interpenetrating network hydrogel and calcium lactate are cross-linked, and nano sodium carboxymethyl cellulose hydrogel is prepared; and mixing and stirring the nano sodium carboxymethyl cellulose hydrogel, the modified silicon carbide and a flame retardant to prepare the environment-friendly lithium battery fire extinguishing agent. The prepared environment-friendly lithium battery fire extinguishing agent has good fire extinguishing performance.

The invention relates to the technical field of food, and particularly discloses high-water-absorption gel as well as a preparation method and application thereof. The invention relates to a high-water-absorption gel as well as a preparation method and application thereof. The high-water-absorption gel comprises the following raw materials in parts by weight: 3-6 parts of low-ester pectin, 5-8 parts of glucose, 2-5 parts of calcium lactate, 200-230 parts of sodium carboxymethyl cellulose, 0.5-1.5 parts of a water absorption enhancer and 1900-2100 parts of water. In addition, the preparation method disclosed by the invention has the advantages of improving the water absorption capacity and the water absorption rate of the gel.

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 invention relates to the technical field of beverage processing, in particular to a poplar branch sweet dew beverage which comprises the following components in percentage by mass: 30-35% of mango pulp, 15-18% of coconut milk, 8-10% of sago, 3-5% of grapefruit pulp granules, 0.05-0.08% of a compound stabilizer, 4-6% of erythritol and 0.01% of calcium lactate. Wherein the compound stabilizer is composed of high-acyl gellan gum and low-ester pectin according to the mass ratio of 3: 1, and the mango pulp contains 20% of diced mangoes with the particle size of 3-5 mm < 3 >; the particle size of the grapefruit pulp particles is 1-2 mm. According to the method, the static limitation of the traditional Stokes law is broken through, the sedimentation velocity prediction error is compressed from + / -25% to + / -8% through the dynamic equivalent radius, the temperature-shear coupling function and the network inhibition factor, and a precise regulation and control tool is provided for development of high-stability pulp beverages.

The invention relates to the technical field of water pollution treatment, in particular to a repairing material for simultaneously treating bottom mud and water and a preparation method and application thereof.The method for preparing the repairing material comprises the steps that Al-MOFs and mixed activated carbon powder are added into an organic solvent, cooling, filtering, washing and drying are conducted after oscillation, and a porous activated carbon material is obtained; adding the porous activated carbon material into a calcium lactate solution, stirring, adding a sodium alginate solution, carrying out forward spheroidization, filtering, washing and drying to obtain porous activated carbon material gel balls; adding the porous activated carbon material gel balls and a complex microbial inoculant into water, carrying out shake culture in a shaker, filtering, washing and drying to obtain a bacteria-containing porous material; and adding a sodium alginate solution into the bacteria-containing porous material, stirring, dropwise adding a calcium lactate solution, carrying out reverse spheroidization, filtering, washing and drying to obtain the repair material. The remediation material has an excellent water body and bottom mud remediation effect while not causing burden on the ecological environment of the water body.

The invention discloses quick-frozen crisp-keeping bamboo shoots and a production process thereof, and the process comprises the following steps: firstly shelling picked bamboo shoots, bleaching and boiling after shelling, adding a treating agent acetic acid in the bleaching and boiling process, carrying out fixation on the bleached and boiled bamboo shoots, adding a crisp-keeping agent calcium lactate in the fixation process, rapidly peeling the bamboo shoots after the fixation is finished, and carrying out vacuum drying on the bamboo shoots, so as to obtain the quick-frozen crisp-keeping bamboo shoots. Quickly cooling and soaking the peeled bamboo shoots in a crisp-keeping agent tannic acid solution, pre-cooling the soaked bamboo shoots, and quickly freezing the pre-cooled bamboo shoots until the surface temperature of the bamboo shoots is less than-35 DEG C; according to the quick-frozen bamboo shoot preparation method disclosed by the invention, treatment is carried out through the treating agent and the composite brittleness-keeping agent, and the brittleness of the quick-frozen bamboo shoots after being unfrozen is fully kept through a synergistic reaction between the brittleness-keeping agent tannic acid and calcium lactate, so that the quick-frozen bamboo shoots keep the brittleness taste of fresh bamboo shoots, and the quick-frozen bamboo shoot preparation method has outstanding application and popularization prospects.

The invention relates to the field of food materials, and particularly discloses a gamma-aminobutyric acid and hydrolyzed egg yolk powder composite beverage capable of promoting sleep and inhibiting bone age and a preparation method of the gamma-aminobutyric acid and hydrolyzed egg yolk powder composite beverage. A gamma-aminobutyric acid and hydrolyzed egg yolk powder composite beverage capable of promoting sleep and inhibiting bone age comprises the following raw materials in percentage: 3-5% of xylitol, 3-5% of fructo-oligosaccharide, 2-4% of gamma-aminobutyric acid, 3-9% of antioxidant composite concentrated juice, 0.16-1% of purple carrot juice beverage thick slurry, 0.1-0.19% of calcium aspartate, 0.02-0.05% of casein hydrolyzed peptide, 0.02-0.05% of hydrolyzed egg yolk powder, 0.02-0.05% of casein phosphopeptide and the balance of water. The formula comprises the following components in percentage by weight: 0.006 to 0.01 percent of zinc gluconate, 0.0005 to 0.00085 percent of zinc-rich edible yeast powder, 0.0005 to 0.00085 percent of tea theanine, 0.0005 to 0.00085 percent of N-acetylneuraminic acid, 0.0018 to 0.09 percent of a traditional Chinese medicine composition, 0.005 to 0.01 percent of L-calcium lactate, 0.0005 to 0.01 percent of collagen peptide, 0.1 to 0.3 percent of xanthan gum, 0.0005 to 0.00085 percent of melissa officinalis, 0.2 to 0.98 percent of a compound flavoring agent and the balance of purified water. Through the synergistic effect of all the components, the sleep quality is effectively improved, overactivity of bone cells is inhibited, and the bone age development is delayed.

The invention relates to the technical field of feed additives, and particularly discloses a feed additive for large-scale feeding of mutton sheep, a pellet feed and a preparation method. The feed additive comprises a microcapsule core material and a wall material wrapping the microcapsule core material, and according to the total weight of the microcapsule core material, the microcapsule core material comprises 40-50 parts of soybean peptide, 30-40 parts of sodium alginate and 5-10 parts of calcium lactate; the wall material is prepared from the following components in parts by weight: 20 to 30 parts of chitosan, 10 to 15 parts of tannic acid, 10 to 15 parts of hydroxypropyl methyl cellulose, 5 to 8 parts of gelatin, 3 to 5 parts of disodium hydrogen phosphate and 2 to 3 parts of disodium ethylene diamine tetraacetate. The pellet feed comprises the following raw materials in parts by weight: 40-50 parts of corn, 15-25 parts of soybean meal, 10-20 parts of alfalfa meal, 5-10 parts of bran, 1-3 parts of a feed additive, 1-2 parts of calcium hydrogen phosphate and 0.2-0.8 part of table salt. The feed additive disclosed by the invention can be slowly released in rumens of mutton sheep and quickly released in intestinal tracts, so that the feeding effect is favorably improved.

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 relates to the field of lucid ganoderma cultivation, and particularly discloses a method for increasing the content of ganoderma triterpenes in lucid ganoderma, which comprises the following steps: S1, preparing a culture medium; step S2, basswood manufacturing; step S3, inoculation; step S4, mycelium culture; step S5, burying soil and growing ganoderma lucidum; step S6, forming; from two aspects, firstly, a fermentation accelerant is added during preparation of the culture medium, and the fermentation accelerant is prepared by mixing calcium lactate, salicylic acid, a citrate-phosphate buffer solution and hydroxypropyl-beta-cyclodextrin according to a specific mass ratio; secondly, in the soil burying and ganoderma lucidum growing process, culture medium soil rich in fermentation extract is adopted for culture, the fermentation extract is prepared into a fermentation substrate through compound bacteria fermentation by taking Chinese wolfberry residues, liquorice residues and astragalus membranaceus residues as raw materials, and the content of ganoderma lucidum triterpenes in ganoderma lucidum is increased through the synergistic effect of all the substances.

The present invention provides a fucoidan kombucha nutrient beverage and a preparation method thereof, belonging to the field of food processing. In a first aspect, the present invention provides a fucoidan kombucha nutrient beverage, the raw materials of which include water, oligofructose, lychee juice concentrate, kombucha fermentation broth, selenium-enriched black fungus peptide, fucoidan, calcium lactate, pectin, vitamin C, sodium hyaluronate, instant black tea powder, and taurine. In a second aspect, the present invention also provides a method for preparing the fucoidan kombucha nutrient beverage. Compared with existing technologies, the fucoidan kombucha nutrient beverage has significantly improved stability, flavor, taste, aftertaste, and anti-fatigue performance.

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 relates to the technical field of biology, and particularly discloses a special diet nutrient solution for promoting growth and development and a preparation method thereof. The invention discloses a special diet nutrient solution for promoting growth and development. Comprising the following raw materials in parts by weight: animal-derived collagen peptide, milk-derived peptide, isomaltooligosaccharide powder, plant-derived bioactive peptide, yeast extract, salmon nasal cartilage composite powder, cereal oligopeptide, N-acetylneuraminic acid, BioPerine black pepper extract, L-calcium lactate, zinc gluconate, magnesium gluconate, vitamin B group composition, beta-carotene powder and acerola cherry fruit powder. The sour cherry concentrated powder, the roxburgh rose powder, the seasoning components and the balance of purified water are added. The product disclosed by the invention has the advantages of being high in nutrient content, good in absorptivity and capable of promoting growth and development.

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.