122 results about "Porous starch" patented technology

According to the high-gel-quality minced fillet gel and the preparation method thereof, frozen minced silver carp is unfrozen and then subjected to ice-temperature vacuum dehydration and ultrahigh-pressure homogenization treatment, a myofibrillar protein molecular chain is promoted to stretch through mild shearing force, and a TG enzyme acting site is fully exposed; then chopping and mixing with table salt, starch, TG enzyme coated porous starch-curdlan / sodium alginate oligosaccharide nanosphere dispersion liquid and ice water at low temperature, shielding TG enzyme by nanospheres through a core-shell structure at low temperature so as to avoid advanced activation, and accurately releasing during heating so as to catalyze crosslinking; finally, step-by-step heating gelation is performed, so that the strength and uniformity of minced fillet gel are remarkably improved, the flavor is improved, and the method is suitable for industrial production.

The invention discloses a preparation method of a V-shaped porous starch-grease inclusion compound. According to the method, V-type porous starch is used as a raw material and is blended with grease to prepare the starch-grease inclusion compound. The method specifically comprises the following steps: dispersing grease in a 60% ethanol aqueous solution, adding V-shaped porous starch, magnetically stirring for 2 hours at 25-30 DEG C, centrifuging the solution, washing the obtained precipitate twice by absolute ethyl alcohol, freeze-drying the washed precipitate, grinding, and sieving by a 100-mesh sieve, thereby obtaining the V-shaped starch-grease inclusion compound. According to the method, 60% ethanol is adopted as a solvent, efficient embedding of the grease is achieved under the normal temperature condition, and the adverse effect of a traditional heat treatment method on the oxidation stability of the grease is avoided. According to the method, on the basis of a spiral cavity structure and a honeycomb-shaped pore structure of V-shaped porous starch, grease is efficiently embedded in an inner cavity of the starch by utilizing a blending adsorption method, the content of free grease on the surface is reduced through the synergistic effect of physical adsorption and intermolecular acting force, and the stability of grease embedding is improved.

The invention provides a microcapsule, a molded pulp and a preparation method thereof. The preparation method of the microcapsule comprises the following steps: extracting a spice raw material by utilizing supercritical fluid to obtain essential oil; mixing essential oil with porous starch to obtain an essential oil-starch core material compound; dispersing the essential oil-starch core material compound in a composite wall material solution composed of chitosan, Arabic gum and nano cellulose to obtain an emulsion; adjusting the pH value of the emulsion to 4.0-4.2 to obtain a microcapsule suspension; and immersing the microcapsule suspension liquid into the cross-linking liquid to obtain microcapsule powder. Essential oil is subjected to supercritical extraction, the essential oil is used as a core material, porous starch is used as a carrier to form a core material compound, chitosan, Arabic gum and nano cellulose are mixed to form a composite wall material solution, and the core material compound is coated with the composite wall material solution to form a microcapsule suspension; and then the microcapsule is obtained through normal-temperature ion curing, so that efficient loading and activity protection of the essential oil can be realized, and the slow release performance is improved.

The invention discloses a high-load starch-based steady-state morinda citrifolia enzyme spray-dried microcapsule and a preparation method thereof, belongs to the technical field of food spray drying, and provides the high-load starch-based steady-state morinda citrifolia enzyme spray-dried microcapsule which comprises morinda citrifolia enzyme and modified starch N-zorbit M / porous starch. The preparation method comprises the following steps: stirring and mixing the morinda citrifolia enzyme and the wall material according to different proportions to obtain a morinda citrifolia enzyme and wall material mixed solution; and carrying out spray drying on the morinda citrifolia enzyme mixed solution to obtain the high-load starch-based morinda citrifolia enzyme spray-dried microcapsule. Modified starch N-zorbit M / porous starch is used as a wall material to prepare the high-load morinda citrifolia enzyme spray-dried microcapsule, so that the volatile unpleasant odor of morinda citrifolia enzyme is reduced, and the total phenol content and the oxidation resistance of the morinda citrifolia enzyme are improved.

The invention discloses an astaxanthin supercritical CO2 extraction process and special equipment, and relates to the field of astaxanthin preparation, the astaxanthin supercritical CO2 extraction process comprises a multistage wall-breaking granulation pretreatment stage and a dynamic countercurrent supercritical extraction stage, and liquid nitrogen low-temperature embrittlement is performed on a haematococcus pluvialis mud raw material; carrying out ultrahigh-pressure homogenization wall breaking on the algae mud subjected to low-temperature embrittlement to obtain wall-broken algae powder; carrying out vacuum belt type drying on the wall-broken algae powder, and removing moisture to a critical value; and preparing high-porosity particles from the dried wall-broken algae powder, porous starch, lecithin and nano calcium carbonate. In the multi-stage wall breaking pretreatment stage, cell walls of haematococcus pluvialis are efficiently destroyed under the combined action of liquid nitrogen low-temperature embrittlement and ultrahigh-pressure homogeneous wall breaking, so that astaxanthin wrapped in cells is fully exposed; according to the prepared high-porosity particles, the specific surface area and the pore structure of the particles are greatly increased, the contact efficiency of supercritical CO2 and astaxanthin is enhanced, the problems that in a traditional technology, the astaxanthin is high in wrapping rate and difficult to dissolve out are solved, and the extraction rate is remarkably increased.

The application discloses a preparation method of structural stable porous starch, which comprises the following steps: adding a hydrophilic colloid into deionized water to prepare a solution, then adding starch, mixing uniformly to obtain a compound suspension, heating the compound suspension at a crystal starting melting temperature, then performing vacuum freeze drying, grinding and sieving to obtain melting coated starch, adding the melting coated starch into a citric acid-sodium phosphate buffer solution, mixing uniformly to obtain a starch-buffer solution suspension, adding an enzyme to perform oscillation reaction, adjusting the reaction solution to alkaline to terminate the reaction after the reaction is completed, then adjusting the reaction solution to neutral, finally performing centrifugation, washing, vacuum freeze drying, grinding and sieving to obtain the structural stable porous starch. The method has the advantages of simple process and low manufacturing cost, and the prepared porous starch has excellent adsorption, structural stability and thermal stability, and solves the problems of complex manufacturing process, long preparation time, poor structural stability of the prepared porous starch and limited pore forming effect in the prior art.

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 present application relates to the technical fields of medical health food, and discloses a preparation device for naringin compound loaded by octenyl succinic acid modified porous starch ester, which comprises a preparation liquid ultrasonic mixing cylinder assembly, a mixing top cover assembly is arranged on the top of the preparation liquid ultrasonic mixing cylinder assembly, and a mixed liquid shaking and stirring assembly is arranged on the mixing top cover assembly; a rocker arm base assembly is rotatably arranged at the bottom of the preparation liquid ultrasonic mixing cylinder assembly; a preparation liquid mixing cylinder assembly is fixedly arranged on both sides of the top of the preparation liquid ultrasonic mixing cylinder assembly; the preparation liquid ultrasonic mixing cylinder assembly comprises a preparation liquid ultrasonic mixing cylinder, a plurality of mixing cylinder bottom arm tables are fixedly arranged on the preparation liquid ultrasonic mixing cylinder through reinforcing rib plates, and a bottom arm table main shaft rod is fixedly arranged on the mixing cylinder bottom arm table; an aeration pipe is fixedly arranged at the bottom of the preparation liquid ultrasonic mixing cylinder, and a liquid pump is fixedly arranged outside the bottom of the preparation liquid ultrasonic mixing cylinder. The present application has the characteristics of sufficient mixing.

The invention provides a preparation method of a compound nutrient preparation, and relates to the technical field of nutrient preparation. According to the preparation method disclosed by the invention, a combined process of firstly carrying out porous starch adsorption, then carrying out adhesion by utilizing starch sodium octenylsuccinate and finally carrying out coating is adopted, so that the limitation problems of fine particles, small stacking density, poor water solubility and the like of microcapsules in the prior art are solved; the preparation method is suitable for a preparation scene of the child compound nutrient containing the vitamin C with poor stability; and the technical effects of remarkably improving the embedding rate of the nutrients, effectively weakening the mutual degradation effect between the nutrients and other components and improving the stability of the compound nutrient preparation are achieved.

The invention discloses a liver targeting porous starch-luteolin compound and a preparation method and application thereof, and belongs to the technical field of drug delivery, corn porous starch is used as a carrier, and the compound with the liver targeting function is prepared through OSA hydrophobic modification, luteolin loading and epsilon-polylysine-galactoside targeting modification. The drug loading capacity and liver targeting property of luteolin are remarkably improved through triple modification, the production process is simple, the cost is low, and excellent blood sugar reducing and liver protecting effects are shown in diabetes liver injury treatment.

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).

This invention relates to the field of food additive manufacturing technology, and provides a 3D-printed probiotic chocolate and its preparation method. The invention involves sequentially subjecting a compound starch suspension to thermal gelatinization and alcohol precipitation to obtain a thermally gelatinized-alcohol-precipitated solution. This solution is then concentrated, cultured, centrifuged, and dried to obtain porous starch. The porous starch is sterilized and mixed with a culture medium solution and probiotics. Through microgelatinization, centrifugation, and freeze-drying, porous starch granules encapsulating probiotics are obtained. These encapsulated probiotic porous starch granules are then mixed with melted chocolate and 3D printed to obtain probiotic-printed chocolate. This invention utilizes porous starch to encapsulate probiotics, improving the retention rate of probiotics in complex environments. Simultaneously, 3D printing technology rapidly forms chocolate products with uniformly distributed probiotics, allowing for personalized design and the production of functional chocolates with high probiotic content based on individual needs.

The invention relates to the technical field of organic fertilizer preparation, in particular to a method for preparing bio-organic fertilizer from waterfowl breeding waste and application of the bio-organic fertilizer. The method specifically comprises the following steps: (1) mixing waterfowl breeding manure and straws to obtain a material 1, adjusting the water content, and then performing segmented fermentation; (2) adding a complex microbial inoculant at the beginning of the second stage; (3) adding charcoal and humic acid at the beginning of the third stage; and (4) after the third-stage fermentation is completed, adding porous starch, granulating, and drying in vacuum to obtain the bio-organic fertilizer. The method provided by the invention realizes high-value utilization of the breeding wastes, and has remarkable circular economy advantages. The whole process does not need chemical additives, energy consumption is reduced through low-temperature granulation and vacuum drying, microbial activity is reserved, and the method is suitable for large-scale production and remarkable in popularization value.

The invention discloses a composition with an anti-oxidation function as well as a preparation method and application thereof, and belongs to the technical field of functional foods. The preparation method of the composition comprises the following steps: preparing a gamma-aminobutyric acid-citric acid eutectic mixture; constructing a corn oligopeptide-plant polyphenol oligosaccharide composite micelle; preparing corn germ concentrated powder-lactitol porous microspheres; and synergistically blending. Aiming at the problems of lack of synergistic effect, release mismatching and the like in the prior art, a three-stage physical structure design is adopted, a quick release-medium release-slow release cascade system is constructed, and component time sequence release and function collaboration are realized; plant polyphenol oligosaccharide is introduced to construct natural micelles, and the stability is improved through porous starch coating. The problems of poor component synergism, easy inactivation and the like are solved, endogenous and exogenous anti-oxidation linkage is realized, the action time is prolonged, and the bioavailability is improved.

The invention discloses a low-GI sweet potato biscuit and a preparation method thereof. The preparation method comprises the following steps: mixing sweet potato whole powder, inulin and other raw materials to form basic powder, freezing at-20 DEG C, forming pores, and unfreezing to obtain porous premixed powder; the preparation method comprises the following steps: preparing a composite mineralizing solution containing soybean protein peptide, nano calcium hydrophosphate and tea polyphenol, mixing and mineralizing the composite mineralizing solution with porous premixed powder, screening, mixing and kneading with an auxiliary material emulsion, forming, freezing to obtain biscuit blanks, and finally performing segmented temperature-controlled baking, cooling and packaging. According to the low-GI sweet potato biscuit and the preparation method thereof, a freezing pore-forming-polyphenol mediated mineralization-peptide anchoring three-in-one composite modification technology is adopted, functional raw materials in a specific proportion are cooperated, a five-dimensional cross-linked network of porous starch-peptide-polyphenol-mineral substance-beta-glucan is constructed, and function upgrading of the low-GI sweet potato biscuit is achieved from multiple dimensions of structure optimization, mechanism strengthening and nutrition cooperation.

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 invention relates to the field of rubber additives, in particular to a lignin-based composition as well as a preparation method and application thereof. Aiming at the problem of blockage caused by adhesion of a rubber component to a container and equipment when lignin is used as a reinforcing agent in the prior art, the lignin-based composition provided by the invention comprises lignin and a porous material, the mass ratio of the lignin to the porous material is 1: (0.12-0.5); the porous material comprises one or more of porous starch, a porous carbon material, porous calcium carbonate and porous kaolin; the porous carbon material comprises one or more of activated carbon, carbon black, mesoporous carbon, carbon nanotubes, graphene aerogel and biomass carbon. The preparation method comprises the following steps: drying lignin, and mixing the dried lignin with the dispersing agent and the porous material to obtain the lignin-based composition. By adding the lignin, the dispersing agent and the porous material in a specific proportion, electrostatic adsorption of the lignin is reduced, and the problem that the rubber composition is easy to adhere to a container and equipment is solved.

The invention discloses a preparation method and application of a soft capsule containing (R)-3-hydroxybutyric acid. The preparation method comprises the following steps: S1, mixing an (R)-3-hydroxybutyric acid solution with a porous material, drying and sieving to obtain composite solid powder; wherein the porous material is selected from any one of gel silicon dioxide, porous starch and isomaltitol; s2, adding a thickening agent into an oily solvent, dissolving, then sequentially adding an antioxidant and the composite solid powder, and uniformly mixing to obtain a soft capsule content; and S3, under a heating condition, mixing glycerol, water, gelatin and an opacifying agent, dissolving and defoaming to obtain a capsule skin glue solution, pelleting the capsule skin glue solution and the soft capsule content through a pelleting machine, and drying to obtain the soft capsule. The soft capsule prepared by the method disclosed by the invention can effectively avoid the corrosion effect of (R)-3-hydroxybutyric acid on the capsule shell, is beneficial to improving the stability, and is simple in preparation process and suitable for industrial production.

The invention discloses a micro-nano graded membrane structure camouflage starch-based porous composite particle as well as a preparation method and application thereof, and relates to the technical field of biomedical materials. The porous composite particle comprises membrane-like structure camouflage bioactive glass and porous starch microspheres, wherein the membrane-like structure camouflage bioactive glass is porous bioactive glass containing chitosan / bovine serum albumin membrane-like structure camouflage; the porous composite particle provided by the invention has a relatively high liquid absorption rate, can concentrate blood coagulation factors and activate various blood coagulation mechanisms of an organism at the same time, and can safely degrade the high-efficiency hemostatic composite particle without side effects after playing a high-efficiency hemostatic role.

The invention discloses an agricultural bactericidal sustained-release particle and a preparation method thereof, and belongs to the technical field of pesticides, the agricultural bactericidal sustained-release particle is characterized in that a component A is wrapped by a component B to form an internal and external dual sustained-release structure, and modified porous diatomite and porous starch with different pore diameters are mixed to achieve the purpose of gradient sustained release, and are cross-linked with polyvinyl alcohol and a cross-linking agent A to obtain the agricultural bactericidal sustained-release particle. A stable three-dimensional network structure is formed, so that the load is more stable, and the application mechanical property is better. In addition, D-tyrosine is added into the component A, so that the sterilizing effect can be enhanced; the component B adopts a degradable material, aminopropyl oligosiloxane and a cross-linking agent B are introduced into a polylactic acid-polyethylene glycol block copolymer, so that the adhesiveness of the polylactic acid-polyethylene glycol block copolymer on the surface of the component A is enhanced, the cross-linking agent B can also form a chemical bonding effect with the cross-linking agent A, polyvinyl alcohol and modified porous diatomite, and a bonding network delays film layer breakage, so that the adhesion of the film layer on the surface of the component A is enhanced. And moreover, the antibacterial agent is added, so that the synergistic sterilization and antibiosis effects can be realized, and the persistence is prolonged.

The present invention relates to the use of porous starch as a spray drying aid in the preparation of flavor powders. The present invention also relates to a process for producing flavor powders and flavor powders comprising porous starch obtained from the process. The present invention also relates to flavor powders comprising porous starch as a spray drying aid.

The invention provides a conditioning snowflake beef non-emulsified system injection as well as a preparation method and application thereof, and belongs to the technical field of food processing. The non-emulsified system injection for conditioning snowflake beef comprises the following components in parts by mass: 2-3 parts of porous starch, 1-3 parts of dietary fiber, 1-3 parts of seasoning, 0.5-1 part of protease, 20-40 parts of beef tallow and 45-70 parts of water. The injection is injected at the temperature of 30-50 DEG C and is distributed in beef to form marbling, the marbling is in a solid state at the low temperature of 0-30 DEG C after freezing and unfreezing, and the appearance of the marbling is close to that of real snowflake beef.

The invention discloses a capsanthin-based composite antioxidant flavor seasoning and a preparation method thereof, and belongs to the technical field of food processing. The seasoning is composed of a capsanthin antioxidant premix and a basic flavor carrier. The premix is prepared by performing multi-layer adsorption and embedding on capsanthin extract vitamin E. The invention further discloses a preparation method of the premix. The oil-soluble capsanthin extract is effectively encapsulated in an internal hydrophobic region through the adsorption of the porous starch and a dual embedding structure, and meanwhile, the water-soluble polysaccharide is successfully loaded in a wall material network, so that efficient embedding of various active substances is realized. A synergistic stable system is constructed, the stability of the capsanthin is remarkably improved, fading and flavor deterioration of the product in the storage process are effectively delayed, and meanwhile the antioxidant activity of the capsanthin is fully utilized. The product is bright and lasting in color, pure in flavor, high in oxidation resistance, simple in preparation process and suitable for industrial production.

The preparation method comprises the following steps: (1) compounding hermetia illucens larvae, whole tenebrio molitor and euphausia superba according to a mass ratio of (3-5): (2-4): 1, carrying out enzymolysis, and reacting with a yeast cell wall extract to form a glycopeptide compound; (2) coating the glycopeptide compound with a mannan oligosaccharide and chitosan solution to form microcapsules, and controlling the release rate of the microcapsules in simulated gastric juice to be lower than 30% and the release rate of the microcapsules in simulated intestinal juice to be higher than 80%; (3) co-fermenting the microcapsules, clostridium butyricum and pediococcus acidilactici, and adsorbing fermentation liquor on the porous starch; (4) performing dry mixing on the functional compound, the fermentation compound and the base material, and performing low-temperature puffing; and (5) sequentially spraying a vitamin D3 grease layer, a pectin-whey protein protective layer and a solution containing TGF-beta2 on the surfaces of the particles. Through cooperation of multiple processes, the immune function and intestinal health of pets are remarkably improved, and the product is good in stability and palatability.

The invention belongs to the technical field of food processing, and particularly relates to porous starch and efficient rehydration dried food based on the porous starch. The natural starch is subjected to porous modification by adopting ultrasonic and gradient enzymolysis, the specific surface area, porosity and average pore size of the porous starch are precisely regulated and controlled, and a honeycomb pore structure with connectivity greater than or equal to 90% is constructed; the modification effect is enhanced through a sodium alginate auxiliary agent, and a starch-K-carrageenan synergistic interaction technology is combined, so that the structural stability and taste of a rehydrated product are ensured while the water absorption performance of the starch is improved. When the method is applied to the quick-cooking fine dried noodles, the rehydration time is shortened, the rehydration amount is increased, the cooking loss is reduced, and compared with the traditional process and the technical scheme of the comparison file, the double breakthrough of rehydration efficiency-product quality is realized. The method is green and efficient, the rehydration performance and quality of the starch-based dried food are remarkably improved, and the method is suitable for large-scale production of the dried food.

The present invention relates to the use of native and / or porous starch as white pigment in dental health products and in particular in toothpastes. The present invention also relates to the process of fabricating a dental health product composition and in particular a toothpaste composition.

The invention relates to the technical field of alginic acid and derivatives thereof, and particularly discloses an antibacterial fabric, a preparation method and application. The anti-bacterial fabric comprises a one-way moisture guiding layer and an anti-bacterial layer, the functional core layer is a honeycomb-shaped porous fiber net and comprises a compound formed by alginic acid and derivatives thereof and organosilane quaternary ammonium salt which are connected through an alkylation reaction, and waterborne polyurethane; porous starch microspheres loaded with an auxiliary antibacterial agent are packaged in pores of the functional core layer. The preparation method comprises the steps of preparation of porous starch microspheres, preparation of a spinning solution, electrostatic spinning, curing, hot-pressing compounding and the like. According to the antibacterial fabric disclosed by the invention, through synergism of the alkylated compound, microsphere slow release and a porous structure, the antibacterial ability is greater than or equal to 97% after 50 times of water washing; oWTC is larger than or equal to 0.9, skin irritation is 0 point, the problems that a traditional fabric is short in antibacterial time, poor in moisture conductivity and prone to skin irritation are solved, and the fabric can be used for sportswear, underwear and the like.

The invention relates to the technical field of crossing of traditional Chinese medicine transdermal preparations and medical instruments, in particular to a temperature control plaster based on external vesicles, a preparation method and application, and the temperature control plaster based on the external vesicles comprises the following layered structures from outside to inside: a backing layer, a heating layer, an isolation layer and a medicine layer, the method has the beneficial effects that the salvia miltiorrhiza-pseudo-ginseng external vesicles are efficiently extracted through a polyethylene glycol precipitation method, and the extraction efficiency and the active ingredient preservation rate are high; external vesicles are prevented from being damaged by high temperature through a layered temperature control structure, and the temperature of a medicine layer is stabilized in an optimal treatment range; the outer vesicles are slowly released through the porous starch microsphere carrier, so that stable slow release and targeted delivery of the medicine are realized, and the action time is prolonged; through the synergistic effect of the external vesicles and the traditional Chinese medicine active ingredients, a dual treatment mechanism of rapid anti-inflammation and long-acting repair is established, targeted treatment of cervical spondylosis, lumbar disc herniation and other osteoarticular diseases is achieved, and the external vesicles have multiple effects of resisting inflammation, easing pain, promoting tissue repair, improving microcirculation and the like.

The invention relates to the technical field of pet food, in particular to an eye-benefiting and liver-protecting fermentation type canine nutrient and a preparation method thereof, and the eye-benefiting and liver-protecting fermentation type canine nutrient comprises the following components: a liver-protecting component, an eye-benefiting component, a chitosan-calcium compound solution, beer yeast powder, honey, lactobacillus plantarum freeze-dried powder and bacillus subtilis freeze-dried powder. Porous starch of the liver protection component carries and protects N-acetylcysteine, and carnosine and quercetin modified by zein remove fermentation byproducts. The eye benefiting component is loaded and protected by octenyl succinic acid modified starch, and the dispersity and the stability of the xanthophyll are improved by grafting a hydrophobic cavity of sulfobutyl-beta-cyclodextrin. The laccase fixed on the surface of the porous starch catalytically oxidizes phenolic hydroxyl groups in a tannic acid-gelatin network on the surface of the eye benefiting component by using dissolved oxygen, a protective shell is formed by in-situ crosslinking and curing, and a chitosan-calcium compound solution closes the physical distance between the laccase and the tannic acid-gelatin network, so that the enzymatic oxidation reaction rate is increased.

The invention discloses a preparation method and application of a cinnamyl aldehyde-containing double-layer capsule wall microcapsule. Uniformly mixing a cinnamyl aldehyde solution, the cinnamyl aldehyde-loaded porous starch and a beta-cyclodextrin solution, carrying out ultrasonic treatment for 30 minutes, and stirring for 30 minutes to 4 hours; then refrigerating and standing for 12-2 days at 4 DEG C, and then carrying out suction filtration and collecting microcapsules; and finally drying and grinding to obtain the porous starch and beta-cyclodextrin embedded cinnamyl aldehyde double-layer capsule wall microcapsule. Core material cinnamyl aldehyde is loaded on the basis of the liquid characteristic of cinnamyl aldehyde and the high adsorption characteristic of internal pores of porous starch, then surface pores of the porous starch are encapsulated by utilizing the small molecule characteristic of beta-cyclodextrin, then cinnamyl aldehyde is subjected to double-layer embedding, and the microcapsules containing double capsule walls are prepared. The microcapsule has good embedding performance, bacteriostatic activity, recyclability and food preservative effect, and can be popularized and used as a bacteriostatic agent and a food preservative.