191 results about "Fucoidan" patented technology

The invention discloses a medicinal and edible anti-alcoholism composition and a preparation method thereof, and relates to the crossing field of biotechnology and food and medicine, the composition comprises the following components: dried orange peel powder, vitamin C, glutathione, phellinus igniarius extract, polygonatum sibiricum extract, oriental wormwood extract, isatis root extract, schisandra chinensis extract, ginseng powder, lucid ganoderma extract and licorice extract. Silymarin, puerarin, white tomato powder, watermelon powder, fucoidin, tomato powder, mung bean powder, celery powder, turmeric powder, hawthorn fruit powder, honey powder, corn peptide, soybean peptide powder, xanthan gum and stevioside are added. The composition provided by the invention has the effect of increasing the content of ethanol dehydrogenase and acetaldehyde dehydrogenase in blood after drinking, and has the capability of promoting alcohol metabolism.

The invention relates to the field of pharmacy, and discloses a Chinese herbal medicine and marine extract combined antibacterial and anti-inflammatory pharmaceutical composition which comprises the following components in parts by weight: 5-10 parts of baicalin extract; 3 to 7 parts of an andrographolide extract; 2-5 parts of sulfated brown algae polysaccharide; 0.2 to 1 part of sponge extract; wherein the baicalin extract is derived from roots of scutellaria baicalensis and is obtained by extracting with an ethanol-water mixed solvent; the andrographolide extract is derived from the whole herb of andrographis paniculata and is obtained by extracting with an ethanol-water mixed solvent; the sulfated fucoidan is derived from fucoidan and is prepared by enzymolysis and alcohol precipitation methods; the sponge extract is derived from sponge and is obtained by organic solvent extraction, separation and purification. By adopting the technical scheme of synergistically compounding the Chinese herbal medicine active ingredients and the marine extract, the technical effects of destroying a biological membrane barrier and removing stubborn infection lesions in treatment of bacterial vaginitis, candida vaginitis associated biological membrane infection and cervicitis are achieved.

The invention relates to an algin sulfate (PMGS) patch as well as a preparation method and application thereof, and belongs to the technical field of medicines. According to the application, the fucoidan polysaccharide sulfate (PMGS) is used as a main raw material of the microneedle for the first time, the needle tip is completely composed of PMGS, the PMGS plays a role in medicine and adjuvant integration, on one hand, the PMGS is used as a needle tip matrix to provide enough mechanical strength to pierce warts and surrounding skin and is more suitable for related warts with obvious skin thickening, and on the other hand, the PMGS is diffused and released at the position where viruses are located, so that the effect of preventing and treating warts is achieved. The skin wart treatment effect is achieved by preventing virus from entering and enhancing skin immunity, compared with a previous authorized patent scheme, the problems that PMGS as macromolecular polysaccharide enters the skin and is insufficient in absorption are solved in a microneedle mode, PMGS can be directly delivered to basal layer cells where HPV is located, and fixed-point drug delivery is achieved.

The invention relates to the technical field of lipidosome compounds, in particular to a cosmetic lipidosome compound with an anti-allergy effect and a preparation method of the cosmetic lipidosome compound. The preparation method of the cosmetic liposome compound with the anti-allergy effect comprises the steps of preparation of a wrapping modification modifier, preparation of wrapping modification liposome and preparation of the cosmetic liposome compound. Efficient allergy relieving is achieved through the synergistic effect of the hovenia dulcis thunb extract and the white willow bark extract. The former inhibits release of inflammatory factors and scavenges free radicals, the latter reduces synthesis of prostaglandin and promotes epidermal renewal, and the former and the latter form a dual anti-inflammatory network, cooperate with lipid, regulate water and oil and accelerate inflammation regression. Meanwhile, the two extracts are wrapped by lipidosome, and a modifier formed by zein and fucoidin is combined, so that the stability of the lipidosome is enhanced, the percutaneous delivery efficiency and the percutaneous absorption effect of the components are improved through multiple effects, and it is ensured that the active components effectively exert the anti-allergy effect.

The invention discloses an amino acid water-soluble fertilizer and a production process thereof, and relates to the technical field of water-soluble fertilizers. Free amino acid is used as an organic nitrogen source, and the medium element calcium is combined, so that the crop quality is improved. The formula is low in cost, high in absorptivity, suitable for crop growth, simple and convenient to use and high in cost performance, and promotes the synergistic effect of nutrient elements. The method takes amino acid and calcium as raw materials, and has the characteristics of wide applicability, high output-input ratio and easiness in market promotion. The product is completely water-soluble, environment-friendly and safe, can regulate the physiological function of crops, increase the yield and amino acid content and improve the quality, and has remarkable economic benefits. In addition, activated ricinoleic acid carboxyl is combined with fucoidan enzymatic hydrolysis oligosaccharide to construct the microcapsule, so that efficient utilization of resources is realized.

The invention discloses a pharmaceutical composition for preventing and treating chronic atrophic gastritis. The pharmaceutical composition is prepared from the following raw materials in the following weight ratio: 14-18 parts of peach kernel, 10-14 parts of Chuanxiong rhizome, 8-12 parts of Panax notoginseng, 6-10 parts of safflower, 20-28 parts of kelp, 10-14 parts of selfheal, 15-25 parts of codonopsis pilosula, 10-14 parts of atractylodes macrocephala, 12-16 parts of fructus aurantii, 8-12 parts of amomum villosum, 12-16 parts of bupleurum, 10-18 parts of citron, and 5-10 parts of fucoidan. The pharmaceutical composition is used to treat chronic atrophic gastritis of gastric collateral blood stasis type by promoting blood circulation and removing blood stasis, unblocking meridians and relieving pain, eliminating phlegm, softening and dispersing nodules, invigorating qi and promoting qi circulation, and soothing the liver and harmonizing the stomach. The invention also discloses a preparation method of the pharmaceutical composition.

The invention discloses low-hydration-heat iron aluminate cement and a preparation method thereof, and belongs to the technical field of maritime work cement, and the low-hydration-heat iron aluminate cement comprises 70-85 parts of iron aluminate cement clinker, 5-7 parts of a bio-based retarder, 4-8 parts of a nano friction regulator, 3-4.5 parts of a microcapsule dual repair agent, 5-10 parts of gypsum and 15-25 parts of a mixed material. The fucoidan polysaccharide sulfate and calcium ions in a cement hydration product form a complex through sulfate groups in molecules of the fucoidan polysaccharide sulfate, and further hydration of cement particles is prevented, so that the early heat release rate is effectively reduced, temperature cracks are prevented from being generated in a concrete structure, and the stability and durability of the structure are improved. According to the microcapsule dual-repairing agent, the problem of delayed volume expansion of the steel slag powder caused by fluctuation of the content of free calcium oxide is effectively solved through the matching effect of the inner-layer repairing agent and the outer-layer carrier. According to the gradient clinker sintering process, mineral distribution and chemical reaction paths in clinker are optimized, so that the generation amount of cement hydration heat is remarkably reduced, and meanwhile, the thermal stability of slurry is improved.

The invention relates to the technical field of papermaking, in particular to food waterproof and oilproof paper and a preparation method thereof.The food waterproof and oilproof paper is composed of base paper and a coating layer covering the surface of the base paper; the base paper is prepared from the following raw materials: sisal fibers, polylactic acid fibers, water glass, nano silicon dioxide, starch and polyacrylamide; preparing a coating layer: coating the surface of base paper with the coating liquid, and then drying and calendering to obtain the coating layer; the coating liquid is prepared from the following raw materials: modified fucoidin, poly (butylene succinate), modified nano cellulose, sorbitol, polysilicate aluminum sulfate, polyvinyl alcohol, sodium thiosulfate and water. Through matching and combination of the raw materials, the food waterproof and oil-proof paper has certain antibacterial property and strength while improving waterproof and oil-proof properties, and the food fresh-keeping effect is improved.

The invention relates to a fungus-diatom synergistic immunopotentiator for stichopus japonicus, and belongs to the technical field of microbial engineering and echinoderm immunology. The immunopotentiator is a symbiont microsphere taking yarrowia lipolytica and navicula seminuda as main components; the method comprises the following steps: respectively activating yarrowia lipolytica and navicula seminuda, carrying out expanding culture, resuspending, and adjusting the concentrations of a bacterial solution and algae cells; the preparation method comprises the following steps: adding a navicula seminuda concentrated solution and a yarrowia lipolytica suspension into a triangular flask containing a YPD liquid culture medium, adding selenium-containing fucoidan polysaccharide sulfate accounting for 0.4-1.2% of the total mass of microspheres, carrying out constant-temperature shake culture, filtering by using sterile gauze to obtain microspheres, and flushing by using sterile normal saline to obtain fungus-diatom symbiont microspheres; the yarrowia lipolytica, the navicula seminuda and the selenium-containing fucoidan polysaccharide sulfate in the prepared immunopotentiator are mutually beneficial and have a synergistic effect, and the non-specific immune function of the stichopus japonicus is comprehensively improved by improving the growth index, enhancing the activity of immune enzyme and digestive enzyme and improving the disease resistance.

The invention relates to technical development and application of new special medical food on the basis of a new food raw material framework, and belongs to the technical field of special medical purpose formula food (FSMP). According to the series of foods, new food raw materials (euglena, haematococcus pluvialis and ampelopsis grossedentata leaves) are taken as cores, medicinal and edible components (lotus leaves, haws and mulberry leaves) and marine active substances (fucoidan polysaccharides and chitin) are combined, functional factors are extracted through a prehydrolysis SBE technology and a biological enzymolysis technology, and the bioavailability is improved by adopting a nano-carrier technology. The product comprises a total nutrient base material (20-30% of protein and 15-25% of dietary fiber), functional components (10-15% of a new food raw material extract and 8-12% of a traditional Chinese medicine extract) and a metabolism regulator (conjugated linoleic acid and L-carnitine). Clinical tests show that after an obese patient takes 400 kcal of the replacement meal every day, the weight of the obese patient is reduced by 10.2 kg on average (4.8 kg of a control group) 12 weeks later, and the body fat rate is reduced by 16.3%. The product supports line iteration (such as powder, tablets and liquid food) through modular formula design, and fills the application blank of new food raw materials in special medical food.

The application discloses a method for inhibiting growth of pseudomonas by using fucoidan and application thereof, and is characterized in that the fucoidan is a degradation product of natural seaweed (sodium alginate), and is a linear oligosaccharide with a polymerization degree of 2-25 and composed of guluronic acid and mannuronic acid, and has the advantages of safety, health and no toxic side effects; in combination with the research of the inventors that the fucoidan can target and inhibit growth of pseudomonas in vitro and in intestinal flora, the fucoidan can meet the demand of practical application, can be used for delaying corruption and deterioration of fresh food caused by pseudomonas, and can be used for inhibiting growth of pseudomonas on the surface or in the body of aquatic products or fresh food, and has good application prospect and safety.

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

The invention relates to the technical field of floridoside and an isomer monomer thereof, and discloses a method for preparing high-purity floridoside and an isomer monomer thereof on a large scale, which is used for carrying out large-scale preparation and purification research on the high-purity floridoside and the isomer monomer thereof and preparing the floridoside and the isomer monomer thereof from a porphyra haitanensis crude extract. And the structure and purity of the compound are identified. The method comprises the following steps: firstly, by utilizing a DART-MS technology, through a single factor experiment, optimizing experiment parameters such as extraction times and elution, and obtaining optimal extraction efficiency; and secondly, based on a two-step purification method of a prep-HPLC (Prep-High Performance Liquid Chromatography) technology, enriching the target compound by using a reversed-phase (C18) mode stationary phase in the first step, and separating the pair of isomers by using a normal-phase (NH3) mode stationary phase in the second step. The obtained floridoside and isomer monomers thereof are subjected to structure and purity identification by mass spectrometry (MS) and nuclear magnetism (NMR). Results are as follows: the two compounds are identified as floridoside and isomers thereof through high-resolution mass spectrometry, and the purities of the floridoside and the isomers thereof are up to 99.5% or above.

The application belongs to the technical field of cosmetics, and discloses a fucoidan polysaccharide composition with bacteriostatic efficacy, and a preparation method and application thereof. The fucoidan polysaccharide composition comprises phaeophycus triquetrum fucoidan, small new moon rhombus fucoidan and false micro-halochain fucoidan, and the mass ratio of the phaeophycus triquetrum fucoidan, the small new moon rhombus fucoidan and the false micro-halochain fucoidan is (1-2):(1-2):(1-2). The fucoidan polysaccharide composition is prepared by compounding specific phaeophycus triquetrum fucoidan, small new moon rhombus fucoidan and false micro-halochain fucoidan, has a synergistic effect, and has excellent antibacterial efficacy. When the fucoidan polysaccharide composition is applied to cosmetics, it has good formula adaptability, does not affect the exertion of efficacy and the stability of the cosmetics.

The present application relates to the field of pharmacy, disclose the medicine composition for antibacterial and anti-inflammatory of Chinese herbal medicine and marine extract combination, including: baicalin extract 5~10 parts; andrographolide extract 3~7 parts; sulfated fucoidan 2~5 parts; spongin extract 0.2~1 part; wherein: baicalin extract is derived from the root of scrophulariaceae, is extracted by ethanol-water mixed solvent; andrographolide extract is derived from the whole plant of andrographis, is extracted by ethanol-water mixed solvent; sulfated fucoidan is derived from brown algae, is prepared by enzymolysis and alcohol precipitation method; spongin extract is derived from sponges, is extracted and separated and purified by organic solvent. Through the technical scheme of the synergistic combination of active ingredients of Chinese herbal medicine and marine extract, the technical effect of destroying the biofilm barrier and clearing the stubborn infection focus in the treatment of bacterial vaginitis, candida vaginitis and cervical inflammation associated with biofilm infection is achieved.

The invention discloses a lutein composition for relieving asthenopia and a preparation method of the lutein composition, and belongs to the field of functional foods. Phycocyanin and kelp polyphenol are mixed and react to obtain modified phycocyanin; fucoidin and beta-glucuronidase are mixed and react to obtain modified fucose; mixing the fish collagen peptide and zinc chloride to react to obtain a collagen peptide-zinc chelate; the xanthophyll siliceous cage compound and the modified phycocyanin are mixed and react to obtain a first compound; mixing and reacting the first compound and modified fucose to obtain a second compound; mixing and reacting the second compound, collagen peptide-zinc chelate and krill oil to obtain a lutein compound; mixing and reacting the second compound, collagen peptide-zinc chelate and krill oil, adding trehalose, and mixing and reacting to obtain a xanthophyll compound; and mixing the xanthophyll compound and maltodextrin to obtain the xanthophyll composition.

The invention relates to the technical field of pet oral health care, in particular to a compound seaweed source composition for assisting in improving oral health of dogs and cats and application of the compound seaweed source composition. The invention discloses a compound seaweed source composition for assisting in improving oral health of dogs and cats. The compound seaweed source composition comprises sodium alginate and fucoidan, the value of mannuronic acid (M) / guluronic acid (G) in the sodium alginate is 0.96-1.18; the fucoidan is prepared from mannose, glucuronic acid, galactose, xylose and fucose; the weight ratio of the sodium alginate to the fucoidan is 9: 2. The compound seaweed source composition disclosed by the invention has the effects of inhibiting the proliferation of pathogenic bacteria in the oral cavity of a pet, slowing down the rising rate of health indexes of the oral cavity of the pet, inhibiting the generation of volatile organic compounds and ammonia gas in the oral cavity, improving saliva components, slowing down the generation of dental plaque and the like, and can effectively improve the health condition of the oral cavity of the pet.

The invention discloses application of a fucoidin degradation product Fuc-S in a pharmaceutical composition for preventing, relieving or treating type 2 diabetes mellitus and liver injury, and relates to the technical field of biological medicines. The invention provides a new effect of fucoidin Fuc-S in treating diabetic liver injury, and particularly, the fucoidin Fuc-S can significantly improve blood glucose control (reducing fasting blood glucose and enhancing sugar tolerance) and blood lipid spectrum (reducing TG, TC and LDL-C and increasing HDL-C) of diabetic mice, alleviate liver fatty degeneration and reduce serum ALT / AST level, and shows a significant liver protection effect. Furthermore, the Fuc-S can be used for remodeling the intestinal flora structure through specific enrichment of beneficial bacteria such as Bacteroides acdifaciens and the like, so that the generation of short-chain fatty acid (SCFAs) with a liver protection effect is promoted. The flora and metabolic change jointly improve the oxidative stress state of the liver, inhibit pro-inflammatory response and reduce lipid accumulation. The invention provides a novel nutrition intervention strategy for prevention and treatment of T2DM and liver complications thereof.

The invention provides a planting method for promoting early maturing and high yield of spring wheat in Ningxia irrigated areas, and belongs to the technical field of crop regulation and control. The method comprises the following steps: soaking seeds with a seed soaking agent, and then early sowing from February 15th to February 25th; the seed soaking agent is prepared from 5 to 10g / L of calcium chloride, 2 to 3g / L of alginate oligosaccharide, 100 to 200mg / L of proline and 0.05 to 0.12 mg / L of brassinolide. Through the synergistic effect of the calcium chloride, the alginate oligosaccharide, the proline and the brassinolide, the germination rate of the early sowing spring wheat seeds at the low temperature of 5 DEG C is increased to 85% or above, the problem of poor spring wheat seedling emergence caused by early sowing low temperature is solved, and the purpose of early maturing without yield reduction is achieved.

Applicants have discovered differential expression and activity of various miRNAs in neurodegenerative diseases. These miRNAs can serve as therapeutic targets for prevention and treatment of neurodegenerative diseases. Accordingly, embodiments of the invention include formulations and methods for treating neurodegenerative diseases such as dementia and Alzheimer's disease. The formulations and methods can include five microRNAs and two small molecule therapeutics. In aspects, the miRNAs are MIR-145-3p, let-7c-3p, MIR-383-5p, MIR-548aj-3p and MIR-548x-3p. In aspects, the small molecule therapeutics are GATC-49, fucosterol and fucoidan. In aspects, the compounds work synergistically with one another.

The invention discloses a rosaxostat pharmaceutical composition. The pharmaceutical composition is prepared from rosaxostat, fucoidan, a filling agent, a disintegrating agent and a lubricating agent. In the research process, it is found that the dissolution rate of the rosaxostat can be improved by mixing the rosaxostat compound and the fucoidan polysaccharide sulfate, and photodegradation impurities can be reduced; the preparation method of the rosaxostat capsule is obtained through further research, and through fluidized bed wet granulation, the dissolution effect and the stability are remarkable and are obviously superior to those of an existing preparation. The method is simple, easy to operate and suitable for industrial production.

The invention provides a compound feed additive for relieving stress response of marine fishes, which is prepared by the following steps: mixing raw materials such as hermetia illucens protein and the like to prepare a premix, and embedding the premix by using a lac-glycyrrhizic acid system to prepare lac microcapsules; then modifying the fucoidin by adopting glycyrrhizin and gamma-linolenic acid, embedding rhodosporidium palustris and bacillus pumilus by using the fucoidin to prepare compound bacterium nano-particles, and finally mixing the lac microcapsules and the compound bacterium nano-particles in proportion. According to the invention, excessive secretion of cortisol of marine fish can be effectively inhibited, hermetia illucens protein provides rich nutrition and reduces muscle decomposition, and compound microorganisms are beneficial to maintaining intestinal microecological balance and improving the utilization rate of nutrition. The prepared compound feed additive can be directly splashed into a culture or transportation water body or added into a feed, so that the stress reaction of the marine fish is effectively relieved, the survival rate of the marine fish is increased, and powerful support is provided for culture of the marine fish.

The invention relates to the field of medicines, in particular to application of LKB1 / AMPK pathway-based fucoidan in preparation of anti-type I anaphylaxis medicines. The LKB1 / AMPK pathway is activated by the alginate, so that mast cell degranulation is effectively inhibited, mast cell mediated cell anaphylaxis is further effectively inhibited, and the alginate can be used for preparing anti-anaphylaxis related drugs.

The invention discloses a composition for improving sexual life and / or prostate symptoms and a preparation method thereof. The composition is prepared from the following components in parts by weight: 30 to 50 parts of algal polysaccharides, 15 to 25 parts of phospholipid, 8 to 12 parts of euphausia superba oil, 8 to 12 parts of magnesium oxide, 8 to 12 parts of lycopene, 2 to 4 parts of zinc gluconate, 1 to 3 parts of radix ginseng extract, 0.8 to 1.2 parts of flos sophorae immaturus extract, 0.8 to 1.2 parts of fructus rubi extract, 0.8 to 1.2 parts of mulberry fruit extract, 0.8 to 1.2 parts of fructus lycii extract and 0.8 to 1.2 parts of sodium selenite. By limiting the raw materials and the dosage, under the combined action of the raw materials, the prepared composition can improve erectile, ejaculation and anterior lacrimal gland symptoms, can improve the quality of sexual life, and has no side effect on the body.

The invention discloses targeted probiotic dietary powder for conditioning intestinal microecology and a preparation method of the targeted probiotic dietary powder. According to the invention, the micro-ecological health of intestinal tracts is obviously improved through a triple synergistic mechanism. The core probiotic combination directly acts on the key link of intestinal flora imbalance. Lactobacillus plantarum LP-12 inhibits excessive release of intestinal inflammatory factors and alleviates intestinal mucosa damage. The bifidobacterium bifidum TMC3115 enhances tight connection of intestinal epithelial cells and repairs a physical barrier; the Witzia ciliaris MKSWC01 can degrade endotoxin and block the chain reaction of chronic inflammation. Meanwhile, the fucoidin and the galactooligosaccharide are used for accurately feeding the probiotics and enhancing the colonization capability of the probiotics in a colon mucus layer, so that long-acting protection is formed. L-glutamine provides basic nutrition required by intestinal mucosa regeneration, and resistant dextrin continuously generates short-chain fatty acid to maintain a weak acid environment of colon, so that healthy flora ecology is comprehensively reconstructed.

This invention discloses a ternary composite foaming agent of flaxseed protein-fucose-rutin, its preparation method, and its application in meringue cookies. The foaming agent is a non-covalent complex formed by flaxseed protein isolate (FPI), fucoidan (FUC), and rutin (RU) through electrostatic interactions, hydrogen bonds, and hydrophobic interactions, with a mass ratio of FPI:FUC:RU = 1:2:(0.2~0.4). This invention forms a structurally stable composite system through the non-covalent interactions of FPI, FUC, and rutin, achieving a foaming height of 95.69±8.77%. The foam retention rate after 30 minutes is more than double that of natural FPI, and the interfacial tension is reduced to below 25 mN / m, overcoming the shortcomings of poor foaming properties and insufficient stability of single plant proteins. Even after high-temperature baking, the foam retention rate remains above 75%, meeting the processing requirements of meringue cookies.

The invention discloses a method for sterilizing a vegetable protein beverage, which comprises the following steps of: adding a composite antibacterial microsphere preparation into a vegetable protein beverage to be treated, uniformly mixing, and performing high-density CO2 treatment and magnetic induction electric field sterilization to obtain a vegetable protein beverage finished product, the composite antibacterial microsphere preparation is prepared by taking fucoidan and a gallic acid acylated quercetin-phospholipid conjugate as a substrate and loading lysozyme and hydroxytyrosol. High-density CO2 and a magnetic induction electric field are adopted for synergistic sterilization, so that the structure of a microbial film can be changed, metabolism is disturbed, a good matrix is provided for electric field sterilization, and the sterilization efficiency is further improved through electric breakdown, magnetic field refining of water molecular groups and heat effect; the composite microspheres are sensitive to an electric field, so that lysozyme and hydroxytyrosol can be triggered to be accurately and quickly released under the action of a magnetic induction electric field, stubborn spores can be efficiently killed, and the killing effect is improved by destroying cell wall structures and disulfide bonds of the spores; meanwhile, protein aggregation and flocculation in the beverage can be effectively prevented, and the stability of a beverage system is guaranteed.

This application relates to the technical field of medical dressings, specifically to a preparation method of a dressing with a repair function, including: mixing citric acid-modified fucoidan and chitosan, adding water, heating and then performing ultrasonic oscillation, adding a crosslinking agent, heating while stirring to obtain a stock solution; mixing calendula extract, centella asiatica extract, dandelion extract, green tea extract, and honey, adding them to a high-speed disperser, adding water, after high-speed dispersion, adding them to the stock solution, continuing to stir, filtering, evaporating, standing to remove bubbles to obtain a precursor solution; soaking a porous scaffold in the precursor solution, allowing the precursor solution to penetrate into the pores of the porous scaffold through capillary action, and performing irradiation crosslinking and curing to obtain a dressing with a repair function. By selecting specific components for combination and using a specific preparation method, the prepared dressing with a repair function has good moisture retention, antibacterial properties, and mechanical strength while maintaining good wound repair function.

The present invention relates to an antiviral composition against influenza virus containing xanthan gum or fucoidan as an active ingredient, a pharmaceutical composition for preventing or treating influenza virus infection, and a method for preventing or treating influenza virus infection using the same.

The invention provides an astaxanthin composite emulsion for resisting ionizing radiation intestinal injury and a preparation method thereof.The preparation method comprises the steps that firstly, sea cucumber peptide and fucoidin are mixed and stirred in water, the obtained mixture is placed in a water bath kettle to react, dialysis and freeze drying are conducted after the reaction is finished, and a Maillard reaction compound is obtained; the preparation method comprises the following steps: mixing astaxanthin and DHA algal oil, stirring in a dark place overnight, centrifuging to remove insoluble substances, and collecting supernate to obtain an astaxanthin DHA algal oil solution; and redissolving the obtained Maillard reaction compound, mixing the redissolved Maillard reaction compound with an astaxanthin DHA algae oil solution, carrying out full vortex treatment, and then carrying out high-speed homogenization treatment to obtain the astaxanthin composite emulsion. According to the method, an astaxanthin-loaded Pickering emulsion delivery system is prepared by utilizing the interfacial activity of a Maillard reaction product of sea cucumber peptide and fucoidin, the system realizes covalent binding of the sea cucumber peptide and the fucoidin, the water solubility and the stability of the astaxanthin are improved, and meanwhile, the astaxanthin-loaded Pickering emulsion is prepared. The application of astaxanthin in health food and synthetic drugs for preventing ionizing radiation damage is widened.