23 results about "Porous starch" patented technology

The present invention relates to the use of porous starch as bulking agent in a chewing gum. The present invention also relates to a process of fabricating the chewing gum and to a chewing gum composition comprising porous starch as bulking agent.

The application discloses a high-salt-resistant denitrifying bacterial strain and a microsphere preparation thereof, a preparation method and application thereof, relates to the technical field of environmental microorganisms and wastewater biological treatment. Pseudomonas sp. The classification name of the strain is Pseudomonas sp., the preservation number is CGMCC No. 36626, the strain is preserved in the China General Microbiological Culture Collection Center, and the preservation date is November 14, 2025. The preparation method of the microsphere preparation containing the strain comprises the following steps: carrying out strain amplification culture to obtain a bacterial liquid, mixing the bacterial liquid with porous starch and a protective agent, then performing vacuum freeze drying to obtain bacterial powder, and then mixing the bacterial powder with a sodium alginate solution, and dropping the mixture into a calcium chloride solution to obtain the microsphere preparation. The microsphere preparation can maintain a nitrate nitrogen removal rate of more than 80% after being stored at-18 to-22 DEG C or 20 to 25 DEG C for 28 days, and can be used for denitrification and nitrogen removal of low-carbon-nitrogen-ratio and high-salt wastewater (such as urine wastewater in a closed circulation system).

The application discloses a chrysochlamys zollingeri extract functionalized viscose fiber and a preparation method and application thereof, and belongs to the technical field of functional fiber material preparation.The chrysochlamys zollingeri extract functionalized viscose fiber is formed by wet spinning process of a viscose original solution containing microcapsules, and the viscose original solution containing microcapsules is prepared by mixing a viscose original solution and chrysochlamys zollingeri extract / porous starch composite microcapsules, wherein the viscose original solution is prepared by impregnating cellulose pulp with a sodium hydroxide aqueous solution, carbon disulfide yellowing, and then dissolving and aging in a sodium hydroxide aqueous solution.The chrysochlamys zollingeri extract functionalized viscose fiber is prepared by microcapsule embedding combined with a mild spinning process, so that active ingredients of the chrysochlamys zollingeri extract are maximally retained, long-acting, stable and slow release and anti-inflammatory and soothing effects are achieved, the chrysochlamys zollingeri extract functionalized viscose fiber can be further processed into a functional fabric through a water jet process, and is suitable for high-end sanitary material fields such as infant paper diapers.

The application discloses a kind of oral steady-state delivery phlorotannin complex system, and its preparation method and application, specifically include: using ɑ-amylase and starch glucosidase complex is handled to natural corn starch to obtain the porous corn starch with outer hole-inner channel structure, through self-adsorption effect loading phlorotannin after combination basic mineral ions and porous starch realizes intelligent gate control closed, and in the process of basic metal coordination, simultaneously using terahertz wave is assisted, finally after freeze drying, porous starch-phlorotannin powder is obtained.The preparation process of the method is simple, the obtained powder has pH intelligent response, the product is green and natural, can significantly improve the loading rate of phlorotannin, acid stability and oral availability.

This invention aims to provide a method for preparing a "shell-core" starch-based intelligent delivery carrier for blueberry polyphenols. The method mainly includes the following steps: (1) Preparation of porous "core": Natural starch is porousized by enzymatic treatment to construct a porous starch "core" that can efficiently adsorb and load blueberry polyphenols; (2) Construction of surface crystallized "shell": The obtained porous "core" is microgelatinized on the surface and used as a crystallization template. Linear amylose that has been debranched by enzyme is added. By precisely controlling key parameters such as crystallization temperature, the ratio of crystal core to linear amylose, and the distribution of amylose chain length, a dense and rigid crystallized "shell" layer is induced on the surface of the porous "core"; (3) Assembly of intelligent delivery system: Blueberry polyphenols are used as functional objects, and the aforementioned "shell-core" structured starch is used as a carrier. By systematically adjusting the pore size distribution, specific surface area of ​​the "core", and the topology and crystallinity of the "shell", the efficient loading, stable encapsulation, and controllable release and targeted delivery of blueberry polyphenols under specific environments are achieved. The process of this invention is highly controllable, the conditions are mild, and the raw materials are green and safe. The delivery carrier prepared has good loading efficiency, storage stability and responsive release performance, and has broad application prospects in functional foods, health products and pharmaceutical preparations.

The application discloses a liquor brewing method based on multi-strain synergistic fermentation and belongs to the technical field of liquor brewing. The method comprises the steps of raw material pretreatment, multi-strain system construction and carrier loading, synergistic fermentation and post-treatment. After being crushed and sieved, grains are subjected to cooking and sterilization to obtain a fermentation substrate. Gluing red yeast, bacillus subtilis and aspergillus niger are proportioned and loaded on a composite protective carrier of trehalose, chitosan, sodium carboxymethyl cellulose and porous starch microspheres to prepare a load type composite strain. After inoculation, the fermentation is controlled in sections at different temperatures, the pH value is dynamically regulated, and nutrients and composite enzyme preparations are supplemented. The liquor product is obtained through three-stage distillation and decolorization. Through the multi-strain synergistic and carrier protection technology, the method solves the problems of single flavor of the traditional process, long fermentation period, unstable batch, etc., significantly increases the types of volatile flavoring substances, reduces the content of harmful impurities, improves the utilization rate of raw materials, and makes the liquor body aroma coordinated and the taste mellow.

This invention discloses a pigment anti-migration dyeing masterbatch for PLA tea bags and its preparation method, belonging to the field of polymer materials technology. It comprises the following components: 35-55 parts carrier; 40-70 parts colorant; 8-20 parts compound anti-migration agent; 2-5 parts dispersant; and 1-4 parts compatibilizer. The carrier is a blend of PLA and PBAT, wherein the mass ratio of PLA to PBAT is (5-8):1. The compound anti-migration agent is composed of layered silicate, cross-linked modified porous starch, and nano-silica, with a mass ratio of 1:(0.5-1.5):(0.3-0.8). This invention significantly inhibits the migration behavior of pigments under high-temperature brewing conditions through the compound anti-migration agent, ensuring the safety of tea bag use.

This invention discloses a functionalized lyocell fiber based on lotus leaf extract, its preparation method, and its application, belonging to the field of functional regenerated cellulose fiber technology. The method first prepares porous starch microcapsules from lotus leaf extract, then pre-treats cellulose pulp with enzymes, subsequently mixing it with N-methylmorpholine-N-oxide, sericin, and nano-zinc oxide to form a spinning solution. The solution is then spun using a dry-jet wet spinning method, coagulated, washed, and dried to obtain the target fiber, which can be further processed into an anti-inflammatory and repairing mask base fabric. This invention significantly improves the retention rate of active ingredients in lotus leaves through microcapsule encapsulation and low-temperature gentle spinning, achieving long-lasting sustained release. The resulting fiber possesses excellent mechanical properties, skin-friendliness, and anti-inflammatory and soothing effects, making it suitable for high-end mask base fabrics, medical dressings, and intimate textiles.

This invention discloses a method for effectively reducing the cooked flavor of aquatic product compound sauces after heat sterilization, belonging to the field of food processing technology. The method includes: heating the formula with vegetable oil to a suitable temperature, adding capsanthin and one or more fat-soluble antioxidants selected from vitamin E, rosemary extract, and ascorbyl palmitate for pretreatment; adding modified porous starch-based composite material and yeast extract to reconstruct the microenvironment when the sauce cools to below a specified temperature; subsequently performing gradient vacuum degassing; and finally employing a mild, segmented heat sterilization process that uses low-temperature maintenance to activate endogenous enzymes to form a structural barrier, high-temperature instantaneous sterilization to achieve commercial sterility, and rapid cooling to terminate the thermal reaction. This invention inhibits the generation of off-flavor substances during heat sterilization at the reaction mechanism level, while promoting the production of pleasant flavors, significantly reducing the cooked flavor of the product, and improving its umami flavor and textural quality. It is applicable to the production of various aquatic product compound sauces.

The invention discloses a nanofiber and application thereof in fishy smell substance removal, and belongs to the technical field of new materials. According to the invention, an electrostatic spinning method is combined with a crosslinking modification technology, PVA, KGM and TA are combined, tannic acid is introduced as a crosslinking agent, an intermolecular crosslinking bond is formed between PVA and KGM, and the prepared PVA / KGM / TA nanofiber is used as a substrate of an adsorption material. The porous starch capable of adsorbing volatile compounds is further doped, so that the adsorption of the nanofiber to bad fishy smell substances is improved.

The invention provides an environment-friendly high-temperature-resistant porous starch microsphere blocking agent for drilling fluid, a method and application, raw materials comprise gelatinized porous corn starch emulsion, grafting monomers, a cross-linking agent and an initiator, the blocking agent is obtained by mixing the raw materials, the grafting monomers comprise amide monomers and temperature-resistant monomers, and the cross-linking agent comprises a cross-linking agent and an initiator. The mass ratio of the amide monomer to the temperature-resistant monomer is 1.0-3.5. According to the invention, the amide monomer and the temperature-resistant monomer are grafted and substituted on the porous corn starch, so that the obtained modified porous corn starch is uniform in particle size and good in temperature resistance and environmental protection performance, can be used as a plugging agent at a high temperature of 180 DEG C, and can ensure the environmental protection requirements of most regions on additives for drilling fluids.

This invention belongs to the field of paper-based materials for food packaging and provides a preparation process for high-strength, breathable cup lid paper. This invention introduces porous starch@citric acid crosslinked cationic starch core-shell microparticles into pulp fiber slurry, and constructs a paper sheet system without a continuous plastic coating layer through forming, pressing, drying, and hot pressing finishing. The porous starch core helps maintain the pore structure and air permeability of the paper sheet, while the crosslinked cationic starch shell enhances fiber bonding and microparticle retention. This results in a cup lid paper with a high tensile index, suitable air permeability, stable microparticle distribution, and low levels of free citric acid residue. It solves the problems of reduced air permeability due to increased density, reduced strength due to porous components, and difficulty in balancing dispersion stability and residue control. This paper can be used as a paper-based material for paper cup lids.

The present application relates to ecological micro-molecular group water and its application in removing residues and promoting growth in aquaculture, one aspect is to heat the raw water to remove insoluble salts and other impurities in the water, modify starch to obtain porous starch, the porous structure makes it have better adsorption effect, and provides more attachment sites for metal ions, mpSt@Zn-Fe material is added to the pretreated water, and the magnetized water is obtained by magnetizing treatment; the other aspect is to electrolyze tap water to obtain alkaline water, then add fuller alcohol, the addition of fuller alcohol can improve the permeability of water, promote cell growth, mix the magnetized water and the alkaline water to obtain ecological water, modify the silane coupling agent with diatomite, modify the tourmaline with modified silane, which has good dispersibility and adsorption effect, mix the modified tourmaline with the ecological water, and then treat it, so as to obtain ecological micro-molecular group water, which has good effect in removing residues and promoting growth in aquaculture.

The utility model provides a kind of sharp condyloma acuminatum traditional chinese medicine external application pollution-preventing patch, it is related to medical technology field, including protective layer, control release layer, drug-loading layer and adhesive layer, the control release layer is below protective layer, the drug-loading layer is below control release layer, the adhesive layer is below drug-loading layer;The drug-loading layer includes grid structure layer, brucea javanica bitter alcohol layer and porous starch microsphere layer, the brucea javanica bitter alcohol layer and porous starch microsphere layer are inside grid structure layer;The utility model adopts multilayer composite structure, treatment main body is drug-loading layer, treat by podophyllotoxin cooperation brucea javanica bitter alcohol layer, brucea javanica bitter alcohol can alleviate symptom and auxiliary remove wart body by the effect of heat-clearing and detoxifying, antiviral and erosion wart, podophyllotoxin is cell division inhibitor, can directly destroy wart body, treatment effect is good, medicine is fixed by grid structure layer, podophyllotoxin is loaded by porous starch microsphere layer, improves the stability of drug loading.

This invention belongs to the field of packaging materials technology, specifically a composite material for transporting traditional Chinese medicine materials with both moisture absorption and slow-release antibacterial functions, and its preparation method. The composite material includes a substrate support layer, a moisture-absorbing layer, a slow-release antibacterial layer, and an inner protective layer. This application uses a dedicated slow-release antibacterial layer preparation step to load a natural essential oil compound encapsulated with β-cyclodextrin into a porous starch-chitosan matrix. The encapsulation structure of β-cyclodextrin can delay the volatilization of essential oils, achieving long-lasting slow-release antibacterial effects and greatly improving the inhibition rate against common molds in traditional Chinese medicine materials such as Penicillium and Aspergillus. At the same time, the moisture-absorbing layer quickly absorbs moisture inside the packaging, controlling the humidity within a suitable range, destroying the conditions for microbial growth from the source, forming a synergistic protection of moisture absorption and control and slow-release antibacterial effects, making up for the shortcomings of traditional packaging's single moisture protection.

The application discloses a piglet delivery powder with somatic heat generation efficacy, which comprises modified porous starch, high-thermal-conductivity mineral filler, hygroscopic and exothermic salt, skin-acceptable organic acid, plant-derived antibacterial component and flow aid agent. The capillary effect of the modified porous starch can quickly adsorb body surface moisture within 0.1 seconds, synchronously trigger the instantaneous hydration reaction of the hygroscopic and exothermic salt, and uniformly conduct heat to the whole body by means of the heat conduction network formed by the high-thermal-conductivity mineral filler, so that active, rapid and uniform somatic heat generation is realized. The piglet delivery powder can provide somatic warmth within 0.1 seconds after the birth of a newborn piglet, effectively resist cold stress, greatly shorten the body surface drying time to 8.5 seconds, promote timely intake of colostrum, greatly improve the survival rate, and avoid the stimulation of local overheating on the skin, and has outstanding practical value.

The application discloses a white kidney bean starch inhibitor extraction equipment, which comprises a plurality of micro-capsule embedding boxes, the micro-capsule embedding boxes are stacked from bottom to top, a layered extraction cavity for placing concentrated liquid is formed in each micro-capsule embedding box, a liquid passing control assembly is arranged on the outer side of the micro-capsule embedding box, the liquid passing control assembly comprises a stirring central shaft, two adding pipes and a plurality of discharge discs, deionized water and porous starch are respectively added into the layered extraction cavities through the two adding pipes in different amounts, the deionized water and the porous starch are stirred and dispersed to serve as core materials, the core materials are subjected to spray drying after embedding for a certain time at a set temperature to prepare white kidney bean starch inhibitors, the extraction materials can enter into the layered extraction cavities under the dredging action of the stirring central shaft, the raw materials in the layered extraction cavities are controlled, and the extraction can be compared, so that starch inhibitors with required concentrations or suitable concentration starch inhibitors can be extracted.

This invention discloses a method for synergistic moisture-proof and flavor-masking coating of traditional Chinese medicine granules, belonging to the field of pharmaceutical formulation technology. The method includes: S1, obtaining porous starch by enzymatic hydrolysis, ferric chloride complexation, and integrated twin-screw extrusion-enzymatic hydrolysis of corn starch, followed by surface ammoniation modification with 3-aminopropyltriethoxysilane and then mixing and adsorbing with traditional Chinese medicine granules to obtain granules covered with a sacrificial inner layer; S2, alternately coating the granule surface with sodium carboxymethyl cellulose and poly-L-arginine through layer-by-layer self-assembly to form a composite intermediate layer; S3, in-situ coordination polymerization of tannic acid and ferric chloride on the granule surface to form a polymer coating layer; S4, freezing the granules and then using a mixture of behenicol glyceryl ester and cocoa butter as the hot-melt coating material, followed by fluidized bed hot-melt coating. This invention solves the problems of the prior art, such as the separation of moisture-proof and flavor-masking functions, easy escape of volatile oils, and insufficient coating density. The resulting granules have low moisture absorption, high volatile oil retention, long-lasting flavor masking, and precise pH-responsive drug release.

This invention discloses a method for preparing crayfish infusion, belonging to the field of food seasoning technology. The method includes the following steps: first, pulverizing spices and simultaneously preparing a basic infusion; mixing a portion of the pulverized spices with the basic infusion and boiling it; after cooling, adding a compound enzyme preparation consisting of neutral protease and flavor protease for incubation and enzymatic hydrolysis; after hydrolysis, heating to inactivate the enzyme; after cooling, adding food-grade chitosan, adjusting the pH with citric acid and incubating for cross-linking, then heating to solidify to obtain a modified basic infusion; sequentially adding spice oil, porous starch, and lime juice to the modified basic infusion, simultaneously performing ultrasonic treatment and stirring; finally, cooling, filtering, and instantaneous sterilization to obtain the finished product. This invention can effectively improve the flavor harmony and richness of the infusion, while significantly enhancing the storage stability of the system, reducing oil separation and flavor loss, and ensuring stable product quality throughout its shelf life.

This invention belongs to the field of polymer materials technology, specifically relating to a method for preparing bio-based polyester polyols and their application in polyurethane materials. The invention first involves an esterification reaction between a bio-based diacid and a bio-based diol under the action of a bio-enzyme catalyst, generating polyester oligomers and water. Then, TiO2@porous starch catalyst is added, and the reaction is further carried out by heating. The remaining diacid and diol are further esterified to form longer-chain polyester molecules. After the main esterification reaction is completed, 1,4-butanediol and pentaerythritol allyl ether are added to react with the carboxyl or hydroxyl groups on the polyester molecular chains, causing further chain growth. Finally, utilizing the special properties of supercritical CO2, small molecule impurities and residual catalysts in the reaction products are extracted. The large-molecule polyester polyol is separated by ultrafiltration membrane. The adsorption of activated carbon and molecular sieves further removes small molecule impurities and residual catalysts, yielding high-purity bio-based polyester polyols.

The application discloses a preparation method of a honeycomb filter rod for cigarettes, the filter rod and application, and comprises the following steps: mixing a composite adsorption carrier material with essence, and adsorbing the essence on the composite adsorption carrier material; wherein the composite adsorption carrier material comprises at least two of mesoporous silica, gamma-cyclodextrin, porous starch and sodium carboxymethyl cellulose; the adsorption amount of the essence accounts for 20%-50% of the mass of the composite adsorption carrier material; the composite adsorption carrier material with the adsorbed essence is extruded into a honeycomb filter rod blank through a honeycomb mold under the conditions of room temperature to 80 DEG C and a pressure of 0.5-5 MPa, so that a filter rod blank body with a honeycomb structure is formed; the filter rod blank body is dried under the condition of a microwave power of 500-3000 W for 1-10 minutes, so that a honeycomb filter rod base body is obtained; a chitosan coating is formed on the surface of the honeycomb filter rod base body, and the honeycomb filter rod for cigarettes is obtained; the method and the filter rod can realize slow-release, flavor enhancement, moisture retention, tar reduction and harm reduction simultaneously.

This invention belongs to the field of feed additive preparation technology, specifically disclosing a compound vitamin preparation, its preparation method, and its application. The compound vitamin preparation comprises the following components by weight: 5-10 parts of Sophora japonica flower extract, 1-2 parts of vitamin A, 1-2 parts of vitamin C, 1-2 parts of vitamin E, and 20-30 parts of porous starch. This invention discloses a compound vitamin preparation, its preparation method, and its application. This compound vitamin preparation can increase animal body weight and average daily weight gain, reduce intestinal permeability indicators, improve intestinal barrier function, and promote animal growth and development.

The application belongs to the technical field of modified starch processing, and particularly relates to porous starch with high adsorption capacity and a preparation method thereof. The preparation method comprises the following steps: (1) adding raw starch into an ethanol aqueous solution, stirring and heat treating at 80-100 DEG C, cooling, filtering, and washing to obtain wet-based starch; (2) adding alpha-amylase and saccharifying enzyme into pure water, soaking and dissolving, centrifuging to obtain supernatant, and obtaining a composite enzyme solution; (3) mixing the obtained wet-based starch and the composite enzyme solution in pure water, uniformly mixing, stirring and enzymolysis for 2-6 hours, filtering, washing, drying, grinding and sieving after the enzymolysis is completed, and obtaining porous starch with high adsorption capacity. The porous starch with high adsorption capacity, complete structure, high specific surface area and oil absorption rate can be obtained by the pre-alcohol water heat treatment and subsequent enzyme treatment. The preparation method has the advantages of simple process, low equipment requirement, no use of toxic and harmful chemical reagents, safety and environmental protection, easy industrialization and low preparation cost.