452 results about "Fumaric acid" patented technology

Provided is a dispersant for hydraulic compositions that has high dispersibility and can reduce the viscosity of the hydraulic composition. [Solution] A dispersant for hydraulic compositions comprising: a polymer (P) having a structural unit (1) formed from a compound represented by general formula (1), and a structural unit (2) formed from a compound containing at least one selected from acrylic acid, methacrylic acid, fumaric acid, maleic acid, maleic anhydride, itaconic acid, itaconic anhydride, and salts thereof; and an ether compound (A) which is a compound in which 1 to 500 moles of an alkylene oxide having 2 to 4 carbon atoms are added to 1 mole of a mono- to tetrahydric aliphatic alcohol having 2 to 24 carbon atoms, wherein the mass average molecular weight of the polymer (P) is 5,000 to 5,000,000, and the mass ratio (A / P) of the ether compound (A) to the polymer (P) is greater than 0 and less than or equal to 0.25.

The invention discloses high-performance unsaturated polyester resin, and relates to the field of polyester resin. When the high-performance unsaturated polyester resin is prepared, diatomite and a silver nitrate solution are uniformly mixed to obtain silver-loaded diatomite; then, the silver-loaded diatomite is subjected to a reaction with 3-aminopropyltrimethoxysilane and 3-allyl salicylaldehyde in sequence, and modified diatomite is obtained; the preparation method comprises the following steps: reacting tris (dimethylaminopropyl) amine with 3-chloropropene to obtain a cross-linking monomer; 2-formyl pyridine and 3-aminopropane phosphoric acid are subjected to a reaction, and a flame-retardant monomer is obtained; reacting terephthalic acid, fumaric acid, 1, 3-propylene glycol and a flame-retardant monomer to obtain modified unsaturated polyester resin; and uniformly mixing the modified unsaturated polyester resin, the modified diatomite and a crosslinking monomer to obtain the high-performance unsaturated polyester resin. The prepared high-performance unsaturated polyester resin has excellent flame retardance, antibacterial property, antistatic property, anti-aging property and self-repairing property.

The invention relates to a carboxylic acid ligand-copper metal organic framework nano material, a preparation method thereof and an injection. The carboxylic acid ligand-copper metal organic framework nano material is of a polycrystal MOF structure formed by connecting carboxylic acid ligands and copper ions through coordinate bonds; the carboxylic acid ligand comprises at least one of dicarboxylic acid and tricarboxylic acid; preferably, the dicarboxylic acid comprises at least one of itaconic acid and fumaric acid, and the tricarboxylic acid comprises at least one of aconitic acid and citric acid; the valence states of the copper ions comprise zero valence, + 1 valence and + 2 valence; preferably, based on the total amount of the copper ions being 100 at%, the total content of Cu0 and Cu + is 85-90 at%, and the content of Cu2 + is 10-15 at%.

The invention discloses a production method of a PET composite current collector base film with high mechanical property. The base film comprises an outer surface layer, a middle core layer and an inner surface layer, the outer surface layer is composed of PET, fumaric acid, hydroxyl-terminated polybutadiene and an antioxidant; the middle core layer consists of PET (Polyethylene Terephthalate), furandicarboxylic acid, an antioxidant and a stabilizer; the inner surface layer is composed of dimethyl terephthalate, ethylene glycol, spiro diol, ethylene glycol antimony and zinc acetate. The PET composite current collector base film prepared by the preparation method disclosed by the invention has relatively high mechanical properties.

The disclosure relates to a pharmaceutical composition comprising a salt of Formula II. The pharmaceutical composition comprises granules and is suitable for preparing an oral medicinal capsule or tablet.

The invention discloses a preparation method of a low-chlorine composite environment-friendly coal transportation anti-freezing agent, and belongs to the technical field of anti-freezing solutions. The anti-freezing solution is used for solving the technical problems of complex components and poor anti-freezing and metal corrosion resistance of the anti-freezing solution for coal transportation in the prior art. The preparation method of the low-chlorine composite environment-friendly coal transportation anti-freezing agent comprises the following step: uniformly mixing the compound pour point depressant, the modified corrosion inhibitor, the thickening stabilizer and the industrial water to prepare the low-chlorine composite environment-friendly coal transportation anti-freezing agent. The compound pour point depressant comprises an organic pour point depressant and an inorganic pour point depressant; the organic pour point depressant is obtained by reacting unsaturated azole, sodium methallyl sulfonate and fumaric acid; the unsaturated nitrogen is obtained by reaction of an intermediate B and benzaldehyde, and the intermediate B is obtained by reaction of triazole and ethyl chloroacetate; the modified corrosion inhibitor is obtained by carrying out a reaction on potassium thiocyanate, benzoyl chloride and chitosan vanillin Schiff base. The anti-freezing solution prepared by the invention has the advantages of moderate fluidity, good metal corrosion resistance and good anti-freezing performance.

The invention discloses a preparation method of an aluminum fumaric acid desiccant rotating wheel, a desiccant rotating wheel and a dehumidifier, and relates to the technical field of dehumidification, the preparation method of the aluminum fumaric acid desiccant rotating wheel comprises the following steps: dissolving fumaric acid and sodium hydroxide in water, then adding into an aluminum sulfate solution, stirring, and after the reaction is completed, carrying out suction filtration, drying and grinding to obtain the aluminum fumaric acid desiccant rotating wheel. Aluminum fumaric acid MOF powder is obtained; uniformly mixing aluminum fumaric acid powder, a hydrophilic adhesive and water to obtain aluminum fumaric acid impregnation liquid; the preparation method comprises the following steps: impregnating inorganic fiber paper in an aluminum fumaric acid impregnation liquid, pulling, and drying with hot air at 100-150 DEG C to obtain a flaky moisture absorption material; the moisture absorption material is divided into two parts, one part of the moisture absorption material is pressed into a corrugated shape, the other part of the moisture absorption material is kept in a plane shape, the corrugated moisture absorption material is compounded on the plane-shaped moisture absorption material, and then the dehumidification rotating wheel is obtained through winding. The method is simple in step, high-temperature sintering is not needed, and the prepared dehumidification rotating wheel has a good moisture absorption effect.

The invention relates to the technical field of liposomes, in particular to a lutein ester-fumaric acid composite liposome with high bioavailability as well as a preparation method and application of the lutein ester-fumaric acid composite liposome. The preparation method of the lutein ester-fumaric acid composite liposome comprises the following steps: mixing lutein ester with oil to obtain a phase A; adding phospholipid, cholesterol and vitamin E into the phase A, and then carrying out ultrasonic dispersion treatment to obtain a phase B; fumaric acid and water are added into the phase B, and then high-pressure homogenization treatment, high-pressure microjet treatment and freeze-drying treatment are sequentially performed to obtain the lutein ester-fumaric acid composite liposome. The lutein ester-fumaric acid composite liposome with high bioavailability has the advantages of small average particle size, high Zeta potential, high encapsulation efficiency, high bioavailability, high solubility and excellent stability, and has potential application prospects in preparation of foods, medicines or health care products with eye protection functions.

The invention discloses medium-entropy metal telluride and a preparation method and application thereof.The preparation method comprises the specific steps that metal salt and fumaric acid are in an N, N-dimethylformamide solvent environment, metal ions and carboxyl are made to make full contact and coordinate, and a metal-organic complex precursor solution is constructed; reacting the precursor solution at a specific temperature to form an ordered crystal structure, namely Fe2 (CoNi)-MOF, in molecules and among the molecules of the metal-organic complex through a complex chemical rearrangement and bonding process; fe2 (CoNi)-MOF and tellurium powder are subjected to a series of synergistic reactions under high-temperature calcination of H2 / Ar mixed gas, and the medium-entropy metal telluride is generated. The medium-entropy metal telluride prepared by the invention has efficient catalytic hydrogen evolution and oxygen evolution potential in a water electrolysis hydrogen production reaction, can greatly improve catalytic efficiency and reaction dynamic characteristics, and is used for preparing a water electrolysis hydrogen production catalyst.

The invention discloses a vinyl copolymer pour point depressant as well as a preparation method and application thereof, and relates to the technical field of vinyl copolymer pour point depressants. Acrylamide, a methacrylate compound, a fumaric acid compound and alkyl coupling agent modified nano silicon dioxide are used as monomers, and the prepared copolymer pour point depressant has the characteristics and characteristic chemical bonds of copolymer macromolecules; due to the specific molecular chain and structure of the copolymer, the flexibility and flexibility variation range of copolymer molecules in the presence of dissolution or a solution is extremely large, crude oil can be quickly and effectively dispersed, the fluidity of the crude oil can be enhanced, blockage is reduced, and the oil production amount is increased; and the condensation point and the viscosity of crude oil can be obviously reduced under the condition of a very small amount (such as 500ppm).

The present invention relates to the technical field of post-treatment of maleic anhydride, and in particular to a device and method for obtaining maleic anhydride from a gas phase containing maleic anhydride. According to a device for obtaining a maleic anhydride product from a gas phase material flow containing maleic anhydride provided by the present invention, the objectives of simplifying the process, reducing the device investment and reducing the energy consumption can be achieved while effectively controlling the fumaric acid generation amount and the absorbent consumption.

The invention relates to succinic acid addition salts or fumaric acid addition salts of piperazine derivatives of formula (I), as well as solid forms, such as polymorphic forms, thereof, which are useful as pharmaceutical ingredients and, in particular, as glycosidase inhibitors.

The invention discloses a preparation method of tiamulin and tiamulin fumarate based on Bunte salt, which comprises the following steps: mixing the Bunte salt and pleuromutilin p-toluenesulfonate, reacting at 45-65 DEG C for 3-5 hours to synthesize tiamulin, preparing the Bunte salt through a reaction formula 1, and preparing the pleuromutilin p-toluenesulfonate through a reaction formula 2, the molar ratio of the 2-diethylaminoethanol to the sodium thiosulfate to the chlorination reagent in the reaction formula 1 is 1: (1-1.3): (1-1.5), and the molar ratio of the pleuromutilin to the paratoluensulfonyl chloride to the pyridine in the reaction formula 2 is 1: (1-1.2): (1-1.2); the prepared tiamulin and fumaric acid are used as raw materials for a salt forming reaction, the reaction temperature ranges from 55 DEG C to 65 DEG C, the reaction time ranges from 40 min to 80 min, and after the reaction is finished, the tiamulin fumarate is prepared through cooling, crystallization, centrifugation and drying; the tiamulin fumarate disclosed by the invention is high in content, low in total amount of impurities, few in variety and stable in quality under high-temperature and high-humidity conditions, and the preparation method is simple and easy to operate and good in product quality.

The invention discloses a feed for promoting gonad development of sturgeons and a preparation method of the feed. Comprising the following raw materials: 35-40 parts of fish meal, 13-17 parts of fermented soybean meal, 5-10 parts of chicken meal, 3-5 parts of corn protein powder, 7-12 parts of a compound additive, 4-8 parts of a plant extract, 5-8 parts of cuttlefish meal, 3-6 parts of euphausia superba meal, 3-5 parts of shell powder, 5-10 parts of fish oil, 3-5 parts of spirulina, 3-4 parts of microcrystalline cellulose, 1.5-2.5 parts of fumaric acid, 2-3 parts of soybean lecithin and 1.5-2 parts of monocalcium phosphate. And 0.8 to 1.1 parts of a compound premix. According to the feed, the sturgeons can obtain the most sufficient nutrition in the gonad development stage, so that gonad development is better promoted, the egg laying amount of the sturgeons can be increased, and the nutritional value and quality of eggs can be improved.

The invention provides an aerogel material with nano defect MOF-801 loaded on the surface of calcium alginate as well as a preparation method and application of the aerogel material. The preparation method of the aerogel comprises the following steps: adding zirconium oxychloride octahydrate into a formic acid / water mixed solution to form a homogeneous solution, then adding fumaric acid into the homogeneous solution, reacting for a period of time at room temperature, centrifuging the obtained product, washing with water and ethanol, and drying to obtain MOF-801-G; the preparation method comprises the following steps: stirring and mixing MOF-801-G, a photo-thermal material polypyrrole (PPy), sodium alginate and water to obtain a uniformly dispersed solution, pouring the uniform solution into different molds, carrying out freeze drying to obtain PPy / MOF-801-G / SA (PMS) aerogel, immersing the PMS aerogel into a CaCl2 solution, carrying out crosslinking, and carrying out freeze drying to obtain the PPy / MOF-801-G / CA (PMC) aerogel. The atmospheric water-collecting aerogel material disclosed by the invention has excellent water absorption performance and photothermal conversion efficiency, and can be used for collecting clean water meeting the drinking water quality standard of the World Health Organization (WHO) in practical application.

The invention provides a succinic acid composition as well as a preparation method and application thereof. The succinic acid composition comprises a combination of succinic acid and fumaric acid, and the mass content of the fumaric acid in the succinic acid composition is 10-200 ppm. The succinic acid composition provided by the invention is a biomass source and contains succinic acid and a specific content of fumaric acid, and by controlling the content of fumaric acid in the succinic acid composition, the succinic acid composition has obviously improved storage stability and long storage life, and is suitable for industrial production. And after long-term storage, the excellent quality of high succinic acid purity and low impurity content can still be maintained. The succinic acid composition is used for polyester synthesis, can effectively inhibit polymerization side reaction, improves polymerization efficiency, and obtains a high-yield and high-quality polyester product.

Provided are a metal-organic framework nanomaterial, a preparation method therefor, and a use thereof, belonging to the technical field of bionanomaterials, and resolving the technical problem of inhibiting atherosclerosis using biomimetic metal-organic framework nanoenzymes. The solution is: the components of the of the metal-organic framework nanomaterial and the ratio thereof are: metal ions Ce4+ and a ligand fumaric acid in a molar ratio of 1:5. The preparation method therefor is: measuring an FA regulator and water to prepare a mixed solution, then adding fumaric acid and cerium ammonium nitrate dropwise into the mixed solution, stirring at room temperature, centrifuging, repeatedly washing alternately with water and ethanol, and finally drying overnight in a vacuum oven. A simple, efficient and convenient method for synthesizing the metal-organic framework nanomaterial is provided. The synthesized metal-organic framework nanomaterial has excellent CEH-like enzyme activity and intrinsic antioxidant activity, and can be used to increase lipid efflux and reduce lipid uptake, and decrease ox-LDL-induced foam cell formation, thereby alleviating atherosclerosis.

Provided is a dispersant for hydraulic compositions that has dispersing properties and can reduce the viscosity of hydraulic compositions. [Solution] A dispersant for hydraulic compositions, comprising a polymer (P) having a structural unit (1) formed from a compound represented by general formula (1), a structural unit (2) formed from a compound represented by general formula (2), and a structural unit (3) formed from at least one selected from the group consisting of acrylic acid, methacrylic acid, fumaric acid, maleic acid, maleic anhydride, itaconic acid, itaconic anhydride, and salts thereof, wherein the mass average molecular weight of this polymer (P) is 5,000 to 5,000,000.

The invention discloses an automatic control method and system for fumaric acid production. The method comprises the following steps: collecting process variables in a fermentation process; constructing a soft measurement model fusing physical modeling and a residual neural network to obtain an acid production rate prediction value and prediction confidence; calculating a feed-forward control quantity, and adjusting the weight according to the prediction confidence to obtain a feed-forward control output; constructing a state vector, and establishing a Markov decision process; training a neural network control strategy by adopting a near-end strategy optimization algorithm, and outputting a proportionality coefficient, an integral coefficient and a differential coefficient; calculating feedback control quantity, fusing the feedback control quantity with feed-forward control output, and applying change rate and amplitude limitation to obtain final control output; and switching to a feedback priority control mode under a specific condition, and regularly updating a soft measurement model and a control strategy parameter. According to the invention, high-precision stable control of pH in the fumaric acid fermentation process is realized, the production efficiency and the process robustness are improved, and the method is suitable for automatic control of the large-scale fermentation process.

The invention provides a preparation method of a high-workability strong-dispersion type water reducing agent, which comprises the following steps: dissolving an unsaturated polyether monomer A, a prepolymer B and an oxidizing agent in deionized water, and uniformly stirring to obtain a base material; a reducing agent and a chain transfer agent are added into deionized water to be dissolved and evenly stirred, and a solution (1) is obtained; an unsaturated acid monomer C, an unsaturated amide monomer D and an unsaturated silane monomer E are added into deionized water to be dissolved and evenly stirred, and a solution (2) is obtained; dropwise adding the solution (1) and the solution (2) into the base material, and keeping the temperature after dropwise adding; and cooling to room temperature, adding an alkaline compound to adjust the pH value, and adding water to adjust the solid content, thereby obtaining the high-workability strong-dispersion type water reducing agent. The water reducing agent solves the problem of low conversion rate caused by low reaction activity of maleic acid (anhydride) or fumaric acid, so that the problem of storage stability of the water reducing agent is solved, and the obtained water reducing agent has high workability and strong dispersity.

The invention relates to the technical field of building materials, and discloses a mortar containing a nanometer material and a preparation method thereof, the mortar comprises 70-80 parts by weight of cement, 8-12 parts by weight of fly ash, 0.4-0.5 part by weight of a polycarboxylic acid water reducer, 0.4-0.6 part by weight of hydroxypropyl methyl cellulose, 1-2 parts by weight of the nanometer material, 2-3 parts by weight of modified silk fibroin and 40-50 parts by weight of water. Wherein the modified nano silicon dioxide is modified by gamma-aminopropyltriethoxysilane, the modified cubic nano calcium carbonate is subjected to compound modification by fumaric acid, sodium stearate and palmitic acid, and the modified silk fibroin is prepared by grafting modification by bis-aminopropyl terminated polysiloxane. According to the mortar, through optimization of component matching and modification treatment of the nano material and the silk fibroin, the mechanical property, durability and crack resistance of the mortar are remarkably improved, and the cost is controllable.

The invention discloses an anti-corrosion coating as well as a preparation method and application thereof. The anti-corrosion coating comprises the following components in parts by weight: 50-70 parts of epoxy resin, 25-45 parts of composite acid, 12-18 parts of a nano compound, 4-6 parts of isocyanate, 8-12 parts of a flatting agent, 8-12 parts of filler, 4-6 parts of an antioxidant, 5-20 parts of pigment and 80-120 parts of a diluent. The composite acid contains fumaric acid and p-hydroxybenzenesulfonic acid in a weight ratio of 1: (0.5-2.5); the nano compound contains nano boron nitride, nano silicon dioxide and nano zinc oxide. Composite acid composed of fumaric acid and p-hydroxybenzenesulfonic acid in a specific weight ratio can form a stable and compact net structure with epoxy resin, isocyanate and the like in a system through hydrogen bonds, benzene rings and the like, permeation of corrosive substances can be resisted, the corrosion resistance of the anti-corrosion coating can be improved, the volume resistance of the anti-corrosion coating can be improved, and the corrosion resistance of the anti-corrosion coating can be improved. Therefore, the insulativity of the anticorrosive paint is improved.

This disclosure relates to uses of fumaric acid, fumaric acid esters, dimethyl fumarate, monomethyl fumarate ester, salt, or derivatives thereof by pulmonary administration in the treatment, prevention, or reversal of fibrosis e.g., pulmonary fibrosis, idiopathic pulmonary fibrosis (IPF). In certain embodiments, this disclosure relates to treating a subject with fumaric acid, fumaric acid esters, dimethyl fumarate, monomethyl fumarate ester, salt, or derivatives inhibiting TGF-mediated pro-fibrotic phenotypes. In certain embodiments, the subject is a human of an advanced age.

This invention belongs to the technical field of medicinal chemistry, specifically relating to a novel crystal form of cariprazine, specifically the cariprazine-4-hydroxybenzoic acid-methanol-hemihydrate crystal form and its preparation method. The novel cariprazine-fumaric acid crystal form provided by this invention comprises a basic unit of one molecule of cariprazine, one molecule of 4-hydroxybenzoic acid, one molecule of methanol, and 0.5 molecules of water. Its preparation method is simple to operate, the crystallization process is easy to control, and it has good reproducibility. The formation of a eutectic significantly enhances the solubility of cariprazine, exhibiting strong pharmaceutical value.

The invention discloses an application of water-soluble rosinyl tricarboxylate in precipitation removal and enrichment recovery of heavy metal ions. Natural rosin reacts with fumaric acid to obtain fumaric acid, the fumaric acid is alkalized to obtain rosinyl tricarboxylate, the rosinyl tricarboxylate and heavy metal ions such as copper, cadmium and lead in water can easily form solid precipitates at room temperature, and the heavy metal ions in the water can be adsorbed, removed or recycled after simple filtration. The product has a good effect of removing heavy metal ions in water, the removal efficiency of copper, cadmium and lead can reach 99.9% or above, and the residual quantity of the heavy metal ions in the treated water meets the standard requirement of drinking water; the product disclosed by the invention can also be used for recycling rare metals in industrial wastewater. The product can be regenerated and reused, has the characteristics of environmental protection, low cost, high adsorption efficiency, easiness in desorption, simplicity and convenience in regeneration, wide adaptability and the like when being used for treating heavy metal ion pollution in water, and has excellent application prospects and social and economic benefits when being used for treating industrial and mining enterprise wastewater containing metal ions.

Provided are compositions and methods for treating multiple sclerosis (MS). One embodiment of the disclosed method entails orally administering to a MS patient a first amount of aspirin and a second amount of fumaric acid or an ester or a salt thereof. In some embodiments, the aspirin is administered at from about 80 mg to about 500 mg per day and the fumaric acid or ester or salt thereof is administered at about 360 mg per day.

The invention discloses a sheet molding compound for a torrent swimming pool wall. The sheet molding compound is prepared from the following raw materials: isophthalic resin, hyperbranched unsaturated polyester, a low-shrinkage additive, a curing agent, a release agent, a polymerization inhibitor, a thickening agent, a diluent, fibers and filler, the isophthalic resin is prepared from isophthalic acid, fumaric acid, neopentyl glycol and 1, 2-propylene glycol through a two-step process under the action of a catalyst and an initiator; the hyperbranched unsaturated polyester is obtained by sequentially grafting pentaerythritol serving as a central monomer with bis (hydroxymethyl) propionic acid serving as a branched monomer and lauric acid for low viscosity and carrying out end-capping modification with acrylic acid. The mechanical property and the water resistance of the isophthalic resin are optimized through the compounding and preparation steps of the isophthalic resin raw materials; the hyperbranched unsaturated polyester and the isophthalic resin have good compatibility in compounding, the viscosity of the raw materials is adjusted, and the mechanical property and the heat resistance of the product are further optimized after crosslinking.

The disclosure relates to 2-(5-hydroxy-1H-indol-3-yl)ethan-1-aminium hydrate chloride (5-HT hydrochloride hydrate) and its crystalline form 1, and to pharmaceutical compositions containing 5-HIT hydrochloride hydrate or its crystalline form 1 and to methods of treatment using them. The disclosure further relates to crystalline form 1 of (2E)-but-2-enedioic acid bis({2-[4-(acetyloxy)-1H-indol-3-yl]ethyl}(ethyl) propylazanium) (2E)-but-2-enedioate (4-AcO-EPT fumarate fumaric acid), and to pharmaceutical compositions containing crystalline form 1 of 4-AcO-EPT fumarate fumaric acid and to methods of treatment using it. The disclosure further relates to [2-(1H-indol-3-yl)ethyl](methyl)propylavanium iodide (MPT iodide) and its crystalline form 1. and to pharmaceutical compositions containing MPT iodide or its crystalline form 1 and to methods of treatment using them. The disclosure further relates to bis(ethyl[2-(1H-indol-3-yl)ethyl]propylazanium) (2E)-but-2-enedioate (EPT fumarate) and its crystalline form 1, and to pharmaceutical compositions containing EPT fumarate or its crystalline form I and to methods of treatment using them. EPT fumarate is a novel compound and crystalline form.

The invention provides a Co-coated ZrC catalyst and a preparation method and application thereof in furfural compound hydrodeoxygenation, and the preparation method of the catalyst comprises the following steps: taking fumaric acid and zircon salt as raw materials, preparing a catalyst precursor Zr-MOF by a solvothermal synthesis method, dipping the precursor by cobalt salt, and performing in-situ high-temperature pyrolysis carbonization reduction to prepare the Co-coated ZrC catalyst. The catalyst is respectively used for preparing 2-methylfuran from furfural through selective hydrodeoxygenation and preparing 2, 5-dimethylfuran from 5-hydroxymethylfurfural through selective hydrodeoxygenation, and target products are obtained at high yield. The catalyst is simple in preparation method, high in activity and selectivity, good in stability, mild in furfural selective hydrodeoxygenation reaction condition and high in product yield, and has obvious industrial production advantages.

This application relates to the field of feed processing technology and discloses a highly absorbable feed composition for nursery pigs containing compound probiotics. The composition includes the following ingredients: a basal diet, a live bacteria compound powder composed of freeze-dried *Lactobacillus plantarum* powder and freeze-dried *Bacillus coagulans* powder, medium-chain triglycerides, a PIT-responsive compound emulsifier composed of polysorbate-80 and sorbitan monooleate, anhydrous trehalose, glycerol, a micron-sized confinement carrier, which is a porous carrier obtained by high-temperature expansion and vacuum degassing of perlite powder, and fumaric acid. This invention employs anhydrous trehalose and glycerol to construct a high-permeability system, combined with medium-chain triglycerides and a compound emulsifier to form an oil-phase encapsulation, achieving the technical effect of effectively blocking external moisture penetration and improving the heat resistance of the bacteria.