965 results about "Sorbitol" patented technology

The invention relates to the technical field of control systems, in particular to a sorbitol-based production parameter intelligent regulation and control system, which comprises a real-time feedback regulation and control module for continuously acquiring data, calculating real-time deviation and generating real-time deviation data based on real-time monitoring of temperature, pressure and concentration in a current reaction kettle. According to the invention, through real-time monitoring and dynamic calculation of parameters in the production process, variable deviations such as temperature, pressure and concentration are obtained and adjusted, and quick response processing of multi-dimensional production data is realized. By optimizing a dynamic adjustment strategy of PID controller parameters, proportion, integral and differential parameters are optimized according to real-time feedback, and the problem of adjustment lag caused by fixed parameters is solved. The current reaction condition and the raw material consumption rate are comprehensively considered in dynamic adjustment of the feeding flow, and meanwhile, the flow value matched with the current reaction demand is calculated and obtained, so that the condition that feeding and demand are disjointed in traditional regulation and control is avoided.

The invention relates to the technical field of oral cavity cleaning and nursing materials, and discloses an oral cavity nursing composition containing plant extract components, which comprises plant extract components, inactivated probiotics, prebiotics and fluoride. The preparation method of the toothpaste product comprises the following steps: step 1, weighing corresponding components according to a formula, adding the cortex magnoliae officinalis extract, the lactobacillus paracasei, the fructo-oligosaccharide, the sucralose, the sodium benzoate and the sodium fluoride into the deionized water, stirring to fully dissolve, then adding the glycerol and the sorbitol, and stirring uniformly to obtain a mixture 1; fully mixing silicon dioxide, cellulose gum, hydroxyethyl cellulose and sodium lauryl sulfate to obtain a mixture 2; compared with the prior art, the oral cavity cariogenic bacteria inhibiting composition has the advantages that various oral cavity cariogenic bacteria are inhibited safely and effectively by using plant extract components, and beneficial bacteria proliferation is promoted by inactivating probiotics agglutinating harmful bacteria and prebiotics, occupation in oral mucosa is increased, colonization of harmful bacteria is reduced, so that the anti-sugar effect is achieved, and caries are prevented.

The invention discloses an oral care desensitization paste and a preparation method thereof, and mainly relates to the technical field of dental medicines. The oral care desensitization cream is prepared from the following components: bioactive glass, strontium chloride, sodium chloride, silicon dioxide, sodium carboxymethyl cellulose, polyethylene glycol 400, a xanthan gum solution, sodium lauryl sulfate, sodium lauroyl sarcosinate, titanium dioxide, beta-glucan, saccharin sodium salt, sorbitol, methylparaben, propyl hydroxybenzoate, edible essence and water. Compared with the prior art, the oral care desensitization paste disclosed by the invention can be used for sealing dentinal tubules and treating hemodia; the traditional Chinese medicine composition can also be used for treating plaque gingivitis, relieving and reducing gingival bleeding and inhibiting and reducing dental plaque; and meanwhile, the condition of mistakenly swallowing and eating in the using process is reduced.

The invention provides a self-repairing hydrated salt phase change microcapsule as well as a preparation method and application thereof, and belongs to the field of phase change materials. The preparation method comprises the following steps: preparing a hydrated salt phase change material and sorbitol into eutectic melt by adopting a melting method; strontium carbonate, sorbitol grafted nano titanium dioxide, SiO2-coated silicone rubber microspheres, hollow Al2O3 microspheres, tannic acid microcapsules, alpha-zirconium phosphate, melamine polyphosphate, diethyl aluminum hypophosphite, carboxylated multi-walled carbon nanotubes, polydopamine modified boron nitride nanosheets and hydrophilic fumed silica are added into the eutectic melt, and blending is performed to obtain a core material; The preparation method comprises the following steps: adding strontium carbonate, sorbitol grafted nano titanium dioxide, SiO2-coated silicone rubber microspheres, hollow Al2O3 microspheres, tannic acid microcapsules, alpha-zirconium phosphate, melamine polyphosphate, diethyl aluminum hypophosphite, carboxylated multi-walled carbon nanotubes, polydopamine modified boron nitride nanosheets and hydrophilic fumed silica into the eutectic melt; bio-based polyurethane-polyurea is used as a shell material, the core material is coated in the shell to prepare the microcapsule, and the temperature of the coating operation is not higher than the phase change temperature of the hydrated salt phase change material; the surface is coated with a super-hydrophobic coating. According to the invention, a solid filler system is constructed, and a low-temperature preparation process is combined, so that the phase-change microcapsule with high performance, high reliability and high safety is developed.

The invention provides an antioxidant enzyme-containing composition and a preparation method thereof, and relates to the technical field of enteritis treatment. The preparation method comprises the following steps: S1, collecting various component materials for preparing the antioxidant enzyme-containing composition: collecting various raw materials for preparing glucan, fructo-oligosaccharide, galactooligosaccharide, superoxide dismutase, vitamin C, bunge cherry seed powder, cassia seed powder, turmeric, sorbitol, hydroxypropyl methyl cellulose, silicon dioxide and magnesium stearate; according to the invention, a matched powder bagging machine is adopted to realize full-automatic unattended operation to automatically complete the large bag filling and sealing step in the steps S4-S10, vacuumizing is performed firstly and then sealing is performed, and the storage space is compressed by vacuumizing, so that the condition that the bag is expanded and broken by internal air pressure in the transfer and storage process is not easy to cause; in the bag sealing process, the phenomena of high hot melting efficiency and high sealing speed are achieved by adopting a bag strip guiding and rolling hot melting mode.

The invention discloses an oral care composition containing ampelopsis japonica polysaccharide and application of the oral care composition in inhibiting gingival bleeding. The oral care composition comprises ampelopsis japonica polysaccharide and an orally acceptable carrier, wherein the pH (Potential of Hydrogen) range of the oral care composition is 5.9 to 7.7. The invention also discloses an application of the ampelopsis japonica polysaccharide in the oral care composition for inhibiting gingival bleeding. The invention discloses application of silicon dioxide with a high oil absorption value in an oral care composition for improving the gingival bleeding inhibiting effect of ampelopsis japonica polysaccharide. The combination of the high-oil-absorption-value silicon dioxide and the low-oil-absorption-value silicon dioxide is applied to the oral care composition for improving the gingival bleeding inhibiting effect of the ampelopsis japonica polysaccharide; the invention further discloses application of sorbitol in the oral care composition for improving the effect of inhibiting gingival bleeding by the ampelopsis japonica polysaccharide. The oral care composition has a hemostatic effect and can effectively solve the problem of gingival bleeding.

The invention relates to a long-term stable carbon dioxide absorbent and a preparation method and application thereof, preparation raw materials of the carbon dioxide absorbent comprise a quaternary ammonium salt hydrogen bond acceptor, an amine compound, an alcohol hydrogen bond donor and a reinforcing agent, and the reinforcing agent comprises sorbitol, boric acid or nano silicon dioxide. The carbon dioxide absorbent disclosed by the invention not only has excellent absorption and desorption effects, but also is creatively added with the reinforcing agent. By adding the reinforcing agent, the long-term operation stability of the absorbent under an oxygen-containing condition can be remarkably improved on the premise that the original excellent CO2 absorption and desorption performance is not influenced basically, and oxidative degradation of amine components is effectively inhibited. The composition is simple to prepare and controllable in cost, and is suitable for efficiently and stably capturing CO2 from gas mixtures such as industrial flue gas.

The invention discloses antibacterial polypeptide and application thereof in preparation of pet shower gel, and belongs to the technical field of antibacterial polypeptide. The antibacterial polypeptide is prepared from the following raw materials in parts by weight: 2 to 5 parts of glycerol, 3 to 5 parts of plant polypeptide, 20 to 40 parts of sorbitol, 1 to 2 parts of sodium carboxymethyl cellulose, 0.5 to 1 part of xanthan gum, 2 to 5 parts of sodium methyl hydroxybenzoate, 0.5 to 1 part of a surfactant, 0.5 to 1 part of chlorhexidine, 0.05 to 0.3 part of triclosan and 100 parts of deionized water. The antibacterial polypeptide prepared by the invention can be applied to the preparation process of pet shower gel, and has good antibacterial performance.

The invention belongs to the technical field of novel fertilizers, and particularly relates to a growth promoting type macroelement water-soluble fertilizer and a preparation method and application thereof.The fertilizer is prepared from, by weight, 4-6 parts of tertiary amine synergist, 220-230 parts of monopotassium phosphate, 350-360 parts of urea, 3-5 parts of compound amino acid, 3-5 parts of sorbitol and 15-20 parts of ethylene glycol, the invention relates to N, N '-tetra (2-fluorobenzyl diamido) diphenyl ether. The invention aims at innovating a macroelement water-soluble fertilizer product to prepare the novel tertiary amine synergist, so that the additional value and the use effect of the macroelement water-soluble fertilizer can be effectively improved, and a new direction and a new idea are provided for development and use of a new functional macroelement water-soluble fertilizer technology.

A germ-repellent plastic contains an anti-biofouling compound, and a basic plastic. The anti-biofouling compound is optionally selected from the group of a polyol, a polyether polyol, a polyol derivative, and a combination thereof; or the anti-biofouling compound is selected from the group consisting of a polyether, a poly (ethylene glycol) ether, a polysorbate, and a combination thereof; or the anti-biofouling compound is selected from the group consisting of poly (ethylene glycol) sorbitan monolaurate, poly (ethylene glycol) sorbitan monooleate, poly (ethylene glycol) sorbitol hexaoleate, ceteareth, and a combination thereof. The basic plastic is not a blend of a low-density polyethylene polymer and an ethyl vinyl acetate copolymer, a blend of a polypropylene polymer and an ethyl vinyl acetate copolymer, a blend of polyolefin elastomer polymers and a polyvinyl chloride polymer. A method for manufacturing such a germ-repellent plastic and a germ-repellent plastic item are also described.

According to the high-temperature-resistant nitrogen-fixing bacteria microcapsule fertilizer and the preparation method thereof, aiming at the problems of thallus inactivation and nutrient loss in a high-temperature environment, a sodium alginate-chitosan double-layer embedding technology is combined with magnetic nanoparticle modification, and a stable double-layer structure is formed by optimizing the ratio of an embedding material, so that the high-temperature-resistant nitrogen-fixing bacteria microcapsule fertilizer is prepared. The survival rate and activity of the nitrogen-fixing bacteria at high temperature are remarkably improved, and meanwhile, the functions of intelligent nutrient release and magnetic recovery are achieved. The fertilizer is prepared from composite microcapsules, amino acid, humic acid and other raw materials according to a specific ratio through magnetic field orientation treatment, multi-stage mixing, atomization granulation and magnetic field screening processes, the particle size is controlled to be 0.5-3.35 mm, and the shelf life is prolonged to 12 months. The method has the technical effects that trehalose-glycerol / sorbitol synergistically forms a glassy protective film to maintain the stability of thalli, gamma-aminobutyric acid activates nitrogenase gene expression, magnetic nanoparticles construct a photosynthetic symbiotic system to optimize rhizosphere oxygen supply, and silanized FeO nanoparticles fix heavy metal ions through electrostatic adsorption, so that the heavy metal ions in the thalli are effectively adsorbed, and the heavy metal ions in the thalli are effectively adsorbed. And the humic acid buffers the pH fluctuation of the soil, so that the nitrogen fixation efficiency is finally improved by 30-50%, and the crop yield is increased by 15-25%.

The invention belongs to the technical field of polymer environment-friendly materials, and particularly relates to a PHA composite antibacterial material for food and tableware and a preparation method of the PHA composite antibacterial material. The composite material is prepared from the following components in parts by weight: 60 to 70 parts of PHA (Polyhydroxyalkanoate) base material, 20 to 24 parts of PLA (Polylactic Acid) base material, 3 to 4 parts of oligomeric D-lactic acid, 2 to 2.5 parts of ZnO-coated CNC (Computer Numerical Control) antibacterial particles, 4.5 to 5.5 parts of needle-like wollastonite powder, 3.5 to 5 parts of silane modified montmorillonite, 0.05 to 0.1 part of talcum powder, 0.3 to 0.4 part of rosemary extract, 0.6 to 0.9 part of chain extender, 0.4 to 0.5 part of D-sorbitol diglycidyl ether, 0.35 to 0.45 part of glyceryl monostearate and 0.3 to 0.4 part of antioxidant. The PHA base material is used for constructing a bearing framework, and the mechanical strength, the heat-resistant stability, the oil resistance and the long-acting antibacterial property are organically unified by combining the synergistic effect of multiple materials.

The invention belongs to the technical field of pharmaceutical preparations, and particularly relates to a capsule containing oseltamivir phosphate and application of the capsule. The capsule is composed of oseltamivir phosphate, turmeric, microcrystalline cellulose, sorbitol, povidone and a lubricant, and the prepared capsule is good in dissolution effect, high in quality, low in content of related substances and suitable for further clinical application.

The invention discloses a full-biodegradable material based on bamboo fibers and a preparation method of the full-biodegradable material, and belongs to the technical field of composite materials. The preparation method comprises the following steps: firstly, mixing epoxidized soybean oil and kaolin, and performing ultrasonic treatment to obtain a dispersed material; secondly, crushing and dehydrating bamboo fibers, adding the bamboo fibers into an aqueous solution of an ammonium fluoride compound and imidazolium salt, mixing, heating, refluxing, filtering, collecting insoluble substances, washing and drying to obtain modified bamboo fibers; and finally, mixing the modified bamboo fiber, the dispersed material, polylactic acid, calcium carbonate, ethylene bis-stearamide, glycerol triacetate and sorbitol, putting the mixture into a double-screw extruder, controlling the temperature and extrusion process parameters, and cooling and shaping by a vacuum mold to obtain the full-biodegradable material. Compared with the prior art, the material disclosed by the invention can be quickly decomposed under a composting condition, so that the influence on the environment is reduced, meanwhile, the surface characteristics of the material are optimized, and the application range of the material is expanded.

The invention discloses a biological challenge device with combined adjustable resistance for evaluating the effect of a sterilization process, which comprises a shell, the shell comprises a plastic pipe and an inner pipe cap detachably connected with the inner wall of the plastic pipe, the inner pipe cap is provided with a breathable window and covered by a breathable film, and a bacterial contamination carrier for bearing indicator biological spores is attached to the inner bottom of the plastic pipe. An openable container containing a liquid culture medium is arranged in the plastic pipe cavity; the outer side of the inner pipe cap is sleeved with an outer pipe cap detachably connected with the outer wall of the plastic pipe, and the outer pipe cap is provided with a flow blocking structure used for adjusting the speed of the sterilizing agent entering the area of the inner pipe cap; the indicator biological spores are pretreated by a stable protective agent containing one or more of polyethylene glycol, trehalose, sorbitol, polyvinylpyrrolidone and glyceryl stearate. The speed of a sterilizing agent entering the device can be limited, the spores are dry in a suspension added with a stable protective agent, the capability of resisting general environmental changes is very good, and the performance of the device can be maintained for a long time.

The invention discloses an anti-inflammatory and pain-relieving cataplasm capable of improving drug stability and a preparation method thereof, and belongs to the technical field of traditional Chinese medicines. The inflammation diminishing and pain relieving cataplasm is prepared from the following raw material components: methyl salicylate, eucalyptus oil, synthetic menthol, camphor, borneol, thymol, belladonna liquid extract, diphenhydramine hydrochloride, DL-tartaric acid, gelatin, titanium dioxide, PVP, sorbitol, beta-cyclodextrin, dihydroxyaluminum aminoacetate, castor oil, partially neutralized sodium polyacrylate, glycerol and purified water. Through process improvement and inclusion of volatile materials in the formula with beta-cyclodextrin, the prepared inflammation-diminishing and pain-relieving cataplasm has the characteristics of good stability and capability of remarkably improving in-vitro drug release.

The invention discloses a satiety sugar-controlling fat-reducing composition and a preparation method and application thereof, the satiety sugar-controlling fat-reducing composition comprises hydrogel particles, a white kidney bean extract, a mulberry leaf extract, alpha-lipoic acid, L-carnitine, a lotus leaf extract, medium chain triglyceride, polyethylene glycol and sorbitol, and the composition is a tablet. The components are matched with one another to effectively adjust the leptin level, improve appetite, increase energy consumption, adjust the fat metabolism process, reduce fat accumulation, improve fat consumption, inhibit the activity of alpha-amylase, reduce the conversion of carbohydrates into fat, block heat and fat intake, promote gastrointestinal motility and enhance the immunity of the human body. The effects of remarkably reducing the fat content and the body weight are achieved.

The invention provides a high-toughness plastic packaging film material and a preparation method thereof, and belongs to the field of metallocene polyolefin plastics. The high-toughness plastic packaging film material is prepared from the following chemical raw materials: 80 to 90 parts of metallocene polyethylene resin, 5 to 8 parts of supramolecular cross-linking agent, 6 to 10 parts of core-shell type modifier, 3 to 5 parts of ethylene-vinyl acetate copolymer, 2 to 4 parts of stearic acid modified nano calcium carbonate, 2 to 3 parts of polyolefin elastomer, 0.2 to 0.5 part of di (3, 4-dimethyldibenzylidene) sorbitol, 2 to 5 parts of thermotropic liquid crystal polymer and 0.4 to 0.7 part of antioxidant. 0.8 to 1.2 parts of a lubricant and 0.5 to 1.0 part of an antistatic agent. Through the compatibility design of a toughening mechanism, the synergistic balance of an enhancing mechanism and the optimization of transparency guarantee, the functions of all the components in a metallocene polyethylene resin matrix are complemented, and the ultrahigh toughness, high strength and high transparency of the film material are achieved.

The invention provides a fat-reducing and weight-reducing food composition, a tablet candy as well as a preparation method and application of the tablet candy, and belongs to the technical field of foods. The fat-reducing and weight-reducing food composition provided by the invention is prepared from the following raw materials in parts by weight: 4 to 8 parts of epigallocatechin gallate, 8 to 16 parts of raw coffee powder, 2 to 6 parts of ginseng peptide powder, 22 to 38 parts of fish oil microcapsule powder, 39.5 to 44.5 parts of a sweetening agent, 3 to 7 parts of a filling agent and 0.5 to 1.5 parts of a lubricating agent. Wherein the sweetening agent is sorbitol, the filling agent is microcrystalline cellulose, and the lubricating agent is magnesium stearate. The food composition can be used for preparing tabletted candies which are good in fat-reducing and weight-reducing effects, good in stability and low in friability.

The invention relates to the technical field of cables, in particular to a flame-retardant crosslinked polyethylene cable sheath material and a preparation method thereof. The sheath material is composed of low-density polyethylene, a modified magnesium hydroxide flame retardant, an ethylene-vinyl acetate copolymer, a vulcanizing agent and an auxiliary agent, wherein the modified magnesium hydroxide flame retardant is prepared through a three-step modification process: firstly, sorbitol and epoxidized soybean oil are synthesized into polyhydric alcohol, and then the polyhydric alcohol reacts with branched polyethyleneimine to form a modified adhesive; finally, magnesium hydroxide modification is realized through in-situ synthesis. A three-dimensional network structure of branched polyethyleneimine is creatively adopted to enhance the interfacial compatibility, so that the flame retardant is uniformly dispersed in a matrix, and the flame retardance is improved by forming a stable carbonized layer. The product has excellent flame retardance, mechanical property and processability, is halogen-free and environment-friendly, and meets the technical requirements of high-end cable sheath materials.

The invention relates to the technical field of toothpaste, and discloses toothpaste with biological activity and deodorization and a preparation method thereof, the toothpaste comprises the following raw materials: sucralose, glycerin, sorbitol, benzyl alcohol, sodium dihydrogen phosphate, water, hydrated silica, sodium carboxymethyl cellulose, xanthan gum, a deodorization modification material, a vitamin E inclusion compound, a foaming agent and essence; wherein the deodorizing modified material is obtained by modifying an antibacterial agent triclosan on the surface of tourmaline powder, so that the toothpaste is endowed with excellent antibacterial and deodorizing performance; the vitamin E clathrate compound is a protamine derivative coating vitamin E. In the use process, positive charges carried by protamine and mucous membranes with negative charges are utilized to generate an electrostatic adsorption effect, and the vitamin E clathrate compound is adhered to ulcers, so that the effects of positioning, slow-release and targeting are achieved, ulcer healing is promoted, and the healthy environment in the oral cavity is protected.

The invention belongs to the technical field of flame retardance and antibiosis, and particularly relates to a flame-retardant and antibiosis composition for bamboos, flame-retardant and antibiosis bamboos, a preparation method and application, the flame-retardant and antibiosis composition for bamboos comprises the following components by weight: 5-8% of ammonium phosphate, 5-8% of nucleoside phosphate, 3-5% of phytic acid or phytate, 3-6% of urea, 1-3% of amino acid, and 8-12% of a hydroxyl-containing material; and the balance of water. The hydroxyl-containing material is one or more of soluble nano cellulose, a Tris reagent, sorbitol and erythritol; on the basis of keeping the original color of the bamboo, the flame-retardant and antibacterial effects of the bamboo are improved.

The present invention relates to: a stabilizing complex composition for maintaining the activity of a protein, which can stably maintain an extracellular superoxide dismutase (EC-SOD) protein even at high temperatures for a long period of time; and a preparation method therefor. The present invention is characterized by mixing the EC-SOD protein with ectoine, human recombinant collagen (collagen-1), hyaluronic acid, or sorbitol alone or a mixture thereof, as an active ingredient.

The invention belongs to the technical field of medicines and health-care products, and discloses an earthworm protein peptide polypeptide tablet with functions of dissolving thrombus and protecting blood vessels. Comprising the following components in parts by mass: 20 to 50 parts of earthworm protein peptide, 30 to 40 parts of sorbitol, 2 to 5 parts of lactose, 2 to 10 parts of freeze-dried natto powder, 2 to 10 parts of rice bran fatty alkanol, 1 to 5 parts of dunaliella salina powder, 1 to 5 parts of bovine myocardial peptide powder, 0.01 to 0.05 part of collagen peptide, 0.01 to 0.05 part of soybean peptide powder, 0.01 to 0.05 part of vitamin B6, 0.04 to 0.12 part of a compound nutrition enhancer, 1 to 5 parts of fructo-oligosaccharide, 0.01 to 0.05 part of magnesium stearate and 0.04 to 0.012 part of a compound coating agent. The earthworm protein peptide polypeptide tablet has the effects of thrombolysis and blood fat reduction, can assist in preventing thrombosis, regulating blood fat metabolism and assisting in reducing cholesterol, and has an antioxidant function.

The present disclosure describes a razor cartridge including a housing having a front edge and a rear edge; shaving blades disposed between the front edge and the rear edge; and at least one shaving bar disposed in front of the blade(s) and / or rear of the blade(s) which includes a solid shaving aid composition that includes, relative to the total weight of the solid shaving aid composition: about 15 wt.-% to about 48 wt.-% of a soap base including of one or more fatty acid salts having from about 8 to about 24 carbon atoms and optionally one or more fatty acids having from about 8 to about 24 carbon atoms, at least about 35 wt.-% of one or more polyols including from ˜2 to ˜8 carbon atoms; the polyol selected from a group including glycerol, sorbitol, ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, methylpropane diol glycol.

The invention discloses an isavuconazole sulfate freeze-dried powder injection for injection, and belongs to the technical field of pharmaceutical preparations. The isavuconazole sulfate freeze-dried powder injection for injection is prepared from 70 to 80 weight percent of isavuconazole sulfate and the balance of excipient. By controlling the excipients to be sorbitol and cane sugar and controlling the mass ratio of the sorbitol to the cane sugar to be 1: (3-5), the problem that individual impurities grow rapidly and even exceed the limit after an intermediate product liquid medicine is placed at normal temperature for several hours is solved, the moisture content is controlled to be 0.06% or below after freeze-drying, and the problems that in the prior art, a freeze-dried product is high in moisture and rapid in impurity growth are solved; in addition, the freeze-dried powder injection is short in redissolution time and has remarkable advantages.

The invention relates to the field of freeze-drying protective agents, and particularly discloses a vacuum freeze-drying protective agent for lactobacillus plantarum LS-41. The vacuum freeze drying protective agent for the lactobacillus plantarum LS-41 comprises the following components: 15 parts of dried skim milk, 3 parts of cane sugar, 1 part of PBS dry powder, 6-10 parts of trehalose, 0.2-0.4 part of ascorbic acid, 0.06-0.10 part of sodium glutamate, 8-12 parts of sorbitol and 100 parts of ultrapure water. Through the synergistic effect of the trehalose, the ascorbic acid, the sodium glutamate, the sorbitol, the skimmed milk powder and the cane sugar, and improvement and reasonable matching of the category and the concentration of the protective agents, the damage of the lactobacillus plantarum LS-41 in the vacuum freeze-drying process can be reduced, and the freeze-drying survival rate of the lactobacillus plantarum LS-41 is increased.

The invention is applicable to the technical field of toothpaste preparation, and particularly relates to mild stain-removing and whitening toothpaste containing diatomite and coconut shell carbon and a preparation method of the mild stain-removing and whitening toothpaste. The mild stain-removing and whitening toothpaste comprises 9-30% of Changbai Mountain diatomite abrasive, 32-38% of sorbitol, 2-4% of sodium lauroyl silicate, 2-3% of polyethylene glycol 400 and 0.5-2% of coconut shell carbon. The toothpaste is prepared from the following components in percentage by weight: 0.6 to 1 percent of polyvinylpyrrolidone, 0.5 to 0.8 percent of honeysuckle flower extract, 0.5 to 0.7 percent of pseudo-ginseng extract, 0.5 to 0.8 percent of xanthan gum, 0.1 to 0.2 percent of 1, 2-hexanediol, 0.5 to 0.8 percent of essence and water. The diatomite and coconut shell carbon used in the invention are refined natural food-grade raw materials, do not contain chemical components, have low hardness, are suitable for children and sensitive people, and do not damage enamel; the selected Changbai Mountain diatomite and coconut shell carbon with the iodine value of 1500-3000 have a synergistic effect, and the Chinese herbal medicine extract is added to assist in degerming; the adsorption, whitening and deodorizing capabilities of the toothpaste are greatly improved, and the toothpaste can quickly remove stains, whiten and remove bad breath.

The invention discloses a water-soluble fertilizer containing modified nano double-chelated medium trace elements, and belongs to the technical field of biological agriculture. The fertilizer is composed of sorbitol, glycerin, EDTA iron, EDTA zinc, potassium citrate, calcium citrate, magnesium sulfate heptahydrate, disodium ethylene diamine tetraacetate, an auxiliary agent and the like. The auxiliary agent is prepared from carboxymethyl chitosan, a modified nano auxiliary agent and polyethylene glycol, and the modified nano auxiliary agent is prepared from amylopectin, 8-hydroxyquinolone and isopropyl tri (dioctyl pyrophosphate acyloxy) titanate through a reaction. By adopting a double-chelation technology and a nanotechnology, the stability of trace elements in the fertilizer is remarkably improved, and nutrients are prevented from being lost and fixed in soil. And the absorption efficiency of the plants on elements such as iron, zinc and magnesium is improved by the nano-scale particles and the chelated nutrients. Field tests show that the fertilizer can significantly promote the growth of mung bean sprouts and improve the biomass and the content of medium trace elements in plants.

The invention discloses high-purity high-entropy nitride ceramic powder as well as a preparation method and application thereof, and belongs to the technical field of high-entropy nitride materials. Adopting flocculent precipitation-carbothermal reduction ammonia gas nitridation, selecting chlorine salt of transition metal as a metal source, sorbitol as a carbon source and acetic acid as a solvent, mixing to form a precursor precipitation mixed solution, drying, grinding to obtain precursor powder, selecting ammonia gas as a nitrogen source, calcining in a tubular furnace, and controlling the calcining temperature and the like, so as to obtain the composite material. And the high-purity high-entropy nitride ceramic powder with high purity and uniform element distribution is prepared. The method for preparing the high-entropy nitride ceramic powder is simple in process, the reaction is easy to control, the production period is short, the production cost is low, the high-purity high-entropy ceramic powder can be prepared at the low temperature, and the prepared powder is high in purity and uniform in element distribution.