61 results about "Sorbic acid" patented technology

The invention relates to the technical field of air pollution prevention and control, and discloses a tail gas drying device based on sorbic acid production process, which comprises two groups of drying tanks which alternately operate, the two groups of drying tanks are respectively used as an adsorption tank and a desorption tank, a drying inner cylinder penetrates through the tanks, and an interlayer cavity is enclosed by a first separation assembly and a second separation assembly in the cylinder; the interior is divided into three groups of adsorbent bed layers; the lifting assembly drives the second separation assembly to ascend and descend, and the bed space, the cavity volume and the air outlet size can be dynamically adjusted according to the swelling and shrinking state of an adsorbent in the early and later periods of desorption, so that the problems that an existing drying tank is large in flow resistance due to direct filling of the adsorbent and poor in desorption efficiency are solved; layered design and cavity blocking reduce airflow resistance, secondary adsorption of the lower layer is avoided, sufficient desorption is guaranteed through dynamic adjustment, the desorption efficiency can be improved, the period is shortened, the service life of an adsorbent is prolonged, and continuous and stable tail gas drying is guaranteed.

The invention relates to the field of medicinal emulsifiable paste, in particular to compound fluconazole emulsifiable paste and a preparation method thereof. The compound fluconazole emulsifiable paste is prepared from the following components in parts by weight: 0.6 to 5 parts of fluconazole, 0.2 to 2 parts of neomycin sulfate, 0.1 to 0.2 part of triamcinolone acetonide, 5 to 15 parts of stearic acid, 10 to 25 parts of white vaseline, 2 to 8 parts of glyceryl monostearate, 0.5 to 3 parts of medicinal dimeticone, 1 to 5 parts of polysorbate-80, 0.1 to 0.3 part of sorbic acid, 0.1 to 1 part of vitamin E, 0.01 to 0.1 part of EDTA (Ethylene Diamine Tetraacetic Acid) disodium, 5 to 15 parts of glycerol and the balance of purified water, wherein the total amount is 100 parts. According to the application, the antioxidant property of the cream is improved by adding the vitamin E and the EDTA disodium, the vitamin E is used for directly scavenging free radicals, the EDTA disodium is used for eliminating an oxidation catalyst, and the quality guarantee period of the cream can be remarkably prolonged and the drug effect can be maintained by combining the vitamin E and the EDTA disodium.

The present application relates to a kind of methods for removing heavy metal complex in wastewater, comprising the following steps, S1 configuration PMS composite reagent, the PMS composite reagent is made by including the following weight percentage of raw material ball milling, persulfate 50~90%, sulfite 5~30%, hypochlorite 5~20%;S2 in the heavy metal complex-containing industrial wastewater join the PMS composite reagent obtained in the S1, heavy metal in heavy metal complex is Cu, and one or several of Co, Cr, Ni, Pb and Zn, complex in heavy metal complex is one or several of EDTA, NTA, citric acid, oxalic acid, tartaric acid, sorbic acid, stirring is dissolved, and lye is added to maintain the pH of industrial wastewater to 9.5~11.0, and carries out fenton-like oxidation and breaks the complex reaction, after reaction, aftertreatment is obtained, and the regenerated water is obtained.The present application achieves the purpose of removing heavy metal complex in wastewater by the method of in-situ activation of persulfate without additional catalyst or the application of electricity, ultraviolet and other energy.

The invention provides mint hydrogel for diminishing inflammation and relieving itching and a preparation method thereof. The hydrogel is prepared from 10 to 30 parts of herba menthae extract, 5 to 15 parts of melaleuca alternifolia leaf water, 15 to 25 parts of aloe vera gel, 8 to 15 parts of glycerol, 2 to 6 parts of essential oil compound, 1 to 4 parts of sweet-scented osmanthus extract, 1 to 5 parts of artemisia indica extract, 0.1 to 0.5 part of cross-linking agent, sucrose stearate, sorbic anhydride olivic acid, p-hydroxyacetophenone and the like. The essential oil compound is subjected to beta-cyclodextrin / sodium alginate double-embedding treatment, and the cross-linking agent is chitosan grafted hyaluronic acid. The preparation process comprises the steps of composite water phase preparation, essential oil activation, gradient mixing of extracts, cross-linking reaction, high-pressure homogenization, gradient photocuring and the like. Tests show that the maximum anti-inflammatory swelling inhibition rate of the hydrogel reaches 68.9%, the maximum itching relieving rate of the hydrogel reaches 80.6%, the anti-inflammatory and itching relieving effects can be effectively achieved, and the performance of the hydrogel is improved through the cooperation of all the raw materials and the technology.

The invention provides a teak camel moth artificial feeding feed and a teak camel moth artificial feeding method, the feed comprises the following components by weight: 8% of wheat germ powder, 4% of soybean meal, 4% of yeast powder, 2% of casein, 2% of sucrose, 1.8% of agar powder, 1.5% of cellulose, 0.8% of Webster salt, 0.6% of vitamin C, 0.2% of sorbic acid, 0.3% of methyl p-hydroxybenzoate, 0.1% of cholesterol, 0.1% of choline chloride, 0.05% of inositol, 0.01% of folic acid, and the balance of water. And the balance of deionized water. The invention further provides an artificial feeding method of teak camelmoths, and the artificial feeding method comprises the steps of 1, adult mating and egg laying, 2, egg disinfection and incubation and 3, larva rearing. The feed does not contain host material teak leaves, and full-artificial continuous large-scale feeding of the teak camelmoths can be achieved.

The invention provides a composition containing exosome, which is prepared from the following components in parts by weight: 10 to 20 parts of exosome, 5 to 15 parts of extract, 0.3 to 0.5 part of antioxidant and 0.05 to 0.1 part of preservative, the extract is a mixture of 3-8 parts of aloe extract, 1-5 parts of camellia flower extract and 1-3 parts of cranberry extract; the preservative is one or more of benzoic acid, salicylic acid, boric acid and sorbic acid; the antioxidant is propyl gallate. When the composition is applied to an anti-aging product, the temperature sensing effect and the DPPH free radical scavenging rate are obviously improved.

The present invention relates to novel homopolymers or copolymers derived from muconic or sorbic acid, to a method for preparing same, to a composition, in particular a cosmetic composition, comprising at least one homopolymer or copolymer derived from muconic or sorbic acid, to a method for treating keratin materials, in particular human keratin materials such as the skin or hair, implementing the application onto the materials of at least one homopolymer or copolymer derived from muconic or sorbic acid or a composition comprising at least one homopolymer or copolymer derived from muconic or sorbic acid; to a method for preparing diacids from homopolymers or copolymers derived from oxidative degradation, in particular by ozonolysis, and to novel diacid compounds derived from the degradation.

The invention discloses an oyster enzymolysis ultrafiltration extract nasal spray and a preparation method thereof, the nasal spray comprises the following components: 5-10 wt% of oyster extract, 0.1-0.3 wt% of preservative, 0.05-0.15 wt% of sodium chloride and 0.1-0.3 wt% of emulsifier, the pH value is 5.5-6.5, the content of the preservative is 0.1-0.3 wt%, the content of the sodium chloride is 0.05-0.15 wt%, the content of the emulsifier is 0.1-0.3 wt%, and the balance is water. The preservative is one of benzalkonium chloride, sorbic acid and potassium sorbate, and the emulsifier is polysorbate 80. Through definite raw material composition, a step-by-step process and quality control, the bioavailability of active components is improved, the flavor of the product is optimized, the effect of safely and efficiently improving sleep is achieved, the problems of low bioavailability, poor flavor and potential safety hazards of an existing sleep improving product are solved, the process repeatability is high, and the preparation method is suitable for industrial production. The long-term use of people with chronic insomnia is facilitated.

The invention discloses a treatment technology for separating a sorbic acid isomerization product, and belongs to the field of chemical engineering. According to the method, water and ethanol in the eliminated mother liquor are separated through selective separation of the dehydration membrane, so that an ethanol solution with higher concentration is obtained, the concentrations of sorbic acid and isomers in the solution are increased, then the crystallization temperature is controlled by utilizing the solubility difference of the sorbic acid and the isomers in the alcohol, and the crystallization efficiency is improved. Sorbic acid containing a low isomerization product is separated and recovered, so that the quality of a finished product is effectively improved.

The invention discloses a preparation method of a starch-based bacteriostatic microcapsule, which is characterized in that octenyl succinic acid modified starch is used as a wall material, sorbic acid is used as a core material, and the starch-based bacteriostatic microcapsule with high loading capacity and high embedding rate is prepared by combining rod pin type wet ball milling and spray drying embedding. The sorbic acid is subjected to wet grinding by adopting rod pin type ball milling, the sorbic acid is fully ground in a suspension environment, the particle size is reduced, composite embedding of starch and an active agent in the grinding process is provided, the microcapsule is prepared through spray drying treatment subsequently, the loading capacity of the microcapsule exceeds 10%, the embedding rate is higher than 90%, and the preparation method is simple and easy to operate. A new thought is explored in the field of starch-based microcapsule embedding, and meanwhile microcapsule products are effectively put into the manufacturing process of baked products.

This invention relates to the field of food processing technology, and discloses a method for preparing crispy beef, comprising the following steps: S1, taking 100 parts by weight of beef, adding 3.25 parts by weight of salt, 0.2 parts by weight of peppercorns, 0.4 parts by weight of white wine, 40 parts by weight of ice water, and 0.007 parts by weight of sodium sorbate and 0.015 parts by weight of sodium nitrite dissolved in the ice water, and placing it in a tumbler and stirring for 30 minutes. This invention, through precise marinating, ice water tumbling, and 72-hour low-temperature marinating, allows the marinade to fully penetrate the beef fibers, thoroughly removing the fishy smell, improving water retention, and addressing the problem of dryness. A compound brine using 28 kinds of spices is used, resulting in a rich and layered aroma, overcoming the single flavor deficiency of traditional processes. Frying at 260℃ for 2 minutes creates a crispy exterior and tender interior with a stable texture, and the sugar flavor is diluted to enhance palatability. Combined with aseptic cooling, vacuum packaging, and 121℃ high-temperature sterilization, the shelf life is extended, batches are stable, suitable for industrial production, and significantly improves product quality and competitiveness.

The invention relates to the technical field of packaging sealing films, and particularly discloses a high-strength antibacterial sealing film for packaging and a preparation method thereof.A high-strength PLA-PDO base film is adopted as a basic structure of the sealing film, the tensile strength, tearing strength and other properties of the sealing film are improved, and the sealing film can bear stress in the packaging, transporting and using processes. A sorbic acid-silver complex is adopted as an antibacterial component of the sealing film, sorbic acid and silver ions have a synergistic effect, and the efficient antibacterial effect is achieved. The complex is loaded on porous nano silicon dioxide and is wrapped by a polycaprolactone shell layer, so that the antibacterial component is protected, the antibacterial agent is slowly and durably released, and the sealing film has a long-acting antibacterial function.

The invention provides a method for rapidly detecting benzoic acid and sorbic acid in smoked and cooked sausages and hams, and belongs to the technical field of food detection and analysis. The smoked and cooked sausage and ham product is traditional processed meat with extremely regional characteristics, is rich in various nutrient substrates, is easily polluted by microorganisms to cause spoilage, and is short in shelf life. Among many preservatives, benzoic acid and sorbic acid have the most wide application range, and for the purpose of prolonging the shelf life of food, many enterprises often have the situations of over-range addition and over-limit addition of the two preservatives. According to the national food safety standard GB 5009.28-2016, the technical defects of long detection period, tedious degreasing treatment, low recovery rate, sample matrix interference and the like exist when liquid chromatography is used for detecting large-batch samples. The method is innovated on the basis of a liquid chromatography, based on the characteristic that the fat content of the smoked and cooked sausage and ham is relatively low, a sample is not degreased in a pretreatment link, and the purified sample liquid is diluted by 5 times and then is detected on a machine; benzoic acid and sorbic acid in the smoked and cooked sausage and ham are measured by accurately adjusting the pH value of a mobile phase, improving a chromatographic column and optimizing instrument parameters. The method is simple and practicable, is safe to operate, reduces the cost, and meets the daily detection requirements.

The invention discloses a preparation method of modified polyvinyl alcohol and modified polyvinyl alcohol, and belongs to the technical field of chemical synthesis, the preparation method comprises the following steps: adding vinyl acetate, a comonomer and methanol into a reaction kettle, heating to 55-65 DEG C, then adding a methanol solution of an initiator, then dropwise adding the methanol solution of the comonomer, and after dropwise adding is completed, reacting for 1-2 hours; after the reaction is completed, adding a methanol solution of sorbic acid to terminate the reaction, so as to obtain a polymer material; adding the polymer material into a rectification device, rectifying to remove residual monomers, and then adding methanol to obtain a resin solution; adding a sodium hydroxide methanol solution into the resin solution, heating to 40-60 DEG C, stirring and reacting for 20-60 minutes, and then drying to obtain the modified polyvinyl alcohol which is good in water solubility and stable in product quality.

This invention relates to the field of composite fiber fabric technology, and discloses an antibacterial and breathable nylon composite fiber fabric and its preparation method. The composite fiber fabric uses cotton yarn as warp and nylon yarn as weft, and is obtained through finishing processes. Antibacterial fillers and hydrophilic breathable fillers are added to the finishing solution, giving the fabric antibacterial, moisture-wicking, abrasion-resistant, and breathable properties. The antibacterial filler is prepared by introducing sorbic acid into the terminal vinyl silicone oil molecular chain. Sorbic acid is a broad-spectrum antibacterial agent, giving the fabric excellent antibacterial properties. The terminal vinyl silicone oil improves the overall feel of the fabric, making it softer, more skin-friendly, and more comfortable to wear. The hydrophilic breathable filler is prepared by grafting xanthan gum onto the surface of diatomaceous earth. Xanthan gum contains a large number of hydroxyl groups, significantly improving the fabric's moisture absorption performance and reducing the aggregation of diatomaceous earth. The microporous structure of diatomaceous earth forms breathable channels, improving the fabric's breathability.

The invention relates to the technical field of animal feed additives, in particular to a composition with bacteriostatic activity and application thereof. A screening antibacterial experiment of the plant essential oil and the organic acid shows that the composition of the plant essential oil and the organic acid, which is reasonably proportioned, has remarkable antibacterial activity on escherichia coli, salmonella typhimurium, shigella flexneri and clostridium perfringens, and particularly has a very good synergistic interaction effect. The composition of the plant essential oil and the organic acid is preferably thymol, carvacrol and sorbic acid, and the optimal compounding ratio is 3: 1: 1. The plant essential oil and organic acid composition provided by the invention has the advantages of being good in antibacterial effect, low in production cost, natural, non-toxic and the like, provides an effective treatment means for weaned piglets with bacterial diarrhea, and has huge potential commercial value.

The present application provides a composition, and a method for manufacturing a semiconductor element, which is excellent in removal performance of residue and corrosion resistance of a tungsten-containing film even when used after a prescribed period has passed since manufacture, and which can suppress deterioration of the electrical characteristics of the tungsten-containing film. The composition of the present application comprises: sorbic acid; citric acid; an amine-containing compound selected from at least one of ammonia, an organic amine, and a quaternary ammonium compound, and a salt thereof; a specific compound having at least one group selected from a phosphono group and a phosphoric acid group; and water, the pH of the composition being 4.0 to 9.0 at 25°C.

The invention relates to the technical field of preservatives, in particular to a meat product preservative and a preparation method thereof. The preservative is prepared from the following components in parts by mass: 0.5 to 1 part of malic acid, 0.5 to 1 part of cinnamon oil, 1 to 2 parts of tea polyphenol, 0.5 to 3.5 parts of sorbic acid, 0.5 to 1 part of quercetin, 1 to 3 parts of chlorogenic acid, 0.5 to 2 parts of luteoloside, 2 to 3 parts of modified carboxymethyl cellulose, 4 to 6 parts of carrageenan, 2 to 3 parts of modified chitosan and 100 to 150 parts of deionized water. The meat product preservative prepared by the invention is a natural component, has small harm to human health, and can effectively cooperate with various antibacterial effects in the preservative through a cross-linked network, so that the preservative time is prolonged.

The invention provides a broad-spectrum feed for artificial feeding of subfamily shin longhorn beetles, which comprises the following components in percentage by weight: 20% of cellulose, 10% of wheat germ powder, 6% of yeast powder, 5% of casein powder, 2.5% of agar powder, 0.8% of cane sugar, 0.8% of glucose, 0.8% of Webster salt, 0.6% of sorbic acid, 0.6% of methyl parahydroxybenzoate, 0.4% of vitamin C, 0.1% of cholesterol, 0.1% of choline chloride, 0.05% of inositol, 0.0025% of riboflavin, 0.0015% of folic acid and the balance of water. And the balance of deionized water. The broad-spectrum feed provided by the invention is convenient to prepare, perfect in preservative system and long in service life, and the labor amount caused by frequent feed replacement in the larva breeding process is obviously reduced.

The invention discloses a preparation method of a sorbic acid condensation catalyst and application of the sorbic acid condensation catalyst in preparation of sorbic acid, and belongs to the technical field of chemical engineering. In the preparation process of the sorbic acid condensation catalyst zinc acetylacetonate, crotonaldehyde is adopted as a solvent, the reaction speed of acetylacetonate and zinc oxide can be greatly increased, water generated in the reaction process is not mutually soluble with crotonaldehyde, and continuous water distribution can be achieved; and the zinc acetylacetonate has high solubility in the crotonaldehyde, so that the zinc acetylacetonate in the prepared crotonaldehyde solution containing the zinc acetylacetonate has high concentration. After being diluted by adding fresh crotonaldehyde subsequently, the product can be directly used as a raw material and conveyed to a condensation section, so that the original steps of preparing a catalyst finished product and feeding a powdery catalyst are omitted, the energy consumption is greatly reduced, and the environmental protection and safety problems caused by dust and tail gas in the feeding process are solved; and the overall space and the use efficiency of the device are improved.

The present invention relates to novel homopolymers or copolymers derived from muconic or sorbic acid, to the method for preparing same, to a non-cosmetic composition comprising at least one homopolymer or copolymer derived from muconic or sorbic acid, and to a method for treating a non-keratinized material with at least one homopolymer or copolymer derived from muconic or sorbic acid, or with a composition comprising at least one such polymer. The invention further relates to a method for breaking down such polymers, as well as to diacid derivatives that can be obtained by such a method.

The present invention relates to body adhesive formulations. In particular, body adhesives that are water resistant yet are washable and removeable by way of washing in water in accordance with the garment's manufacturers instructions. The present formulations comprise one or more water soluble polymers, one or more waterproofing agents, and glycerin in at least one volatile solvent. The preferable formulation contained Trimethylpentanediol / Adipic Acid / Glycerin Crosspolymer (Lexorez 200 MB) and VP / VA (Luviskol VA 64 P comprising an acetic acid, ethenyl ester, polymer with 1-ethenyl-2-pyrrolidinone), silica gel and isopropanol as solvent, glycerine, and Geogard ECT (Benzyl Alcohol, Salicylic Acid, Glycerin, Sorbic Acid) as preservative.

The application belongs to the technical field of food preservatives, and discloses a compound preservative stabilizer for cakes, and a preparation method and application thereof. The compound preservative stabilizer for cakes is prepared from the following components in percentage by mass: calcium propionate, sorbic acid, moringa leaf powder, a stabilizer, an emulsifier, an antioxidant, and an acidulant. The calcium propionate, sorbic acid and moringa leaf powder are preservative components, the stabilizer is gluconic acid-delta-lactone, the emulsifier is a mono-diglyceride fatty acid ester, the antioxidant is sodium erythorbate, and the acidulant is one or more of citric acid, malic acid and tartaric acid. Each raw material is sieved and uniformly mixed to prepare the compound preservative stabilizer. The compound preservative stabilizer is applied to cakes, can effectively inhibit the reproduction of Staphylococcus aureus, mold and other bacterial groups, control the total number of colonies, slow down oxidation and rancidity, extend the shelf life of the cakes to 14 days, improve the nutritional value of the cakes, and meanwhile, maintain the flavor of the cakes.

The invention discloses an artificial feed for silkworms and a preparation method thereof, and belongs to the technical field of feeds for insect breeding. The artificial feed for silkworms comprises the following components in percentage by mass: 27-32% of mulberry leaf powder, 37-42% of deodorized soybean meal, 6-9% of bamboo leaf powder, 4-7% of corn flour, 3-6% of wheat bran, 2-4% of seaweed meal, 1-3% of fern root powder, 2-4% of protease microcapsule powder, 0.7-1.0% of VC, 0.4-1.0% of compound VB, 0.3-0.5% of VA, 1.2-2.0% of inorganic salt, 1.2-2.2% of citric acid and 0.1-0.4% of sorbic acid, and the sum of the mass percentages of all the components is 100%. The capsule-coated exogenous protease is added into the feed, through the synergistic effect of all the components, the stress resistance of silkworms and the feed utilization rate are remarkably improved, and dependence on mulberry leaf powder is reduced.

The invention relates to the field of food, in particular to chocolate and a formula process and application thereof. The formula process of the chocolate comprises the following steps: mixing cocoa powder enzymatic hydrolysate, amino acid and reduced syrup, and performing Maillard reaction to obtain a first product; the preparation method comprises the following steps: mixing L-ascorbyl palmitate, sorbate monostearate and camellia oil, heating and stirring to obtain camellia oil initial gel; mixing the first product, porous starch, probiotics, a culture medium solution and camellia oil initial gel, and performing gelatinization treatment to obtain a second product; and mixing the second product with a chocolate base material in a molten state, and performing melt extrusion to obtain the chocolate. The chocolate provided by the invention has flavor advantages, functional value and process feasibility.

Title: USE OF POLYMERS DERIVED FROM MUCONIC OR SORBIC ACID, PROCESS FOR PROCESSING KERATINIC MATERIALS, POLYMER AND COMPOSITION The present invention relates to new homopolymers or copolymers derived from muconic or sorbic acid, their preparation process, a composition, in particular a cosmetic composition, comprising at least one homopolymer or copolymer derived from muconic or sorbic acid, a process for treating keratinic materials, in particular human materials such as skin or hair, involving the application to said materials of at least one homopolymer or copolymer derived from muconic or sorbic acid or of a composition comprising at least one homopolymer or copolymer derived from muconic or sorbic acid; a process for preparing diacids from homopolymers or copolymers resulting from oxidative degradation, in particular by ozonolysis, and new diacid compounds resulting from said degradation.

This invention discloses an antibacterial spinning oil suitable for acetate fibers used in cigarette filters, comprising an emulsifier, mineral oil, water, and an antibacterial agent. Before phase inversion, it is a transparent water-in-oil liquid; after phase inversion, it becomes a white oil-in-water emulsion. Phase inversion occurs in water or water containing the antibacterial agent. The mass ratio of the spinning oil to the water used for phase inversion or water containing the antibacterial agent before phase inversion is (1–49):(99–51). The antibacterial agent is a commercially available water-soluble antibacterial agent, selected from one or more of the following: 4-chloro-3-cresol, dichlorophenoxychlorophenol, bromochlorobisphenol, benzyl chloroethylammonium, benzalkonium chloride, dodecyl dimethyl ethylphenoxyethyl ammonium bromide, guanidine and guanidine polymers, quaternary ammonium salts, silver ions, copper ions, sodium phenylpropionate, nifedipine, dimethyl fumarate, sorbic acid, and dehydroacetic acid. The concentration of the antibacterial agent in water is 0.1 wt%–100 wt%.

The invention provides a composition containing exosome, which is prepared from the following components in parts by weight: 20 to 30 parts of exosome, 10 to 15 parts of fermentation liquor, 5 to 10 parts of modified gelatin, 2 to 5 parts of beta-1, 3-glucan and 1 to 3 parts of methoxy polyethylene glycol. The preparation method comprises the following steps: mixing the exosome-containing composition, sorbic acid, propyl gallate and licorice essential oil, and stirring and mixing for 2-4 hours at the temperature of 50-70 DEG C at the speed of 400-500 r / min to prepare the product with the effect of promoting tissue repair, so that cell proliferation and repair can be promoted, rapid tissue repair can be promoted, and the biocompatibility is good.

The invention relates to a material for a food storage container and application of the material, the material comprises polyethylene glycol terephthalate, polyethylene or glass, sorbic acid and chitosan, the addition amount of the sorbic acid is 1-100,000% of that of the polyethylene glycol terephthalate, the polyethylene or the glass, and the addition amount of the chitosan is 1-100,000% of that of the polyethylene glycol terephthalate, the polyethylene or the glass. The addition amount of the chitosan is 1-100,000% of the mass of the polyethylene glycol terephthalate, the polyethylene or the glass. The method has the advantages that the sorbic acid and the chitosan are added into the storage container made of the glass, the polyethylene PE or the polyethylene glycol terephthalate PET; a container made of glass, polyethylene PE or polyethylene glycol terephthalate PET added with sorbic acid and chitosan has the advantages of moisture resistance, fresh keeping and the like, and also has antibacterial and bactericidal properties.

This invention discloses a chitosan-organic acid supramolecular ionic salt and its preparation method, belonging to the supramolecular field. The invention involves mixing chitosan with an organic acid (one or more of maleic acid, sorbic acid, ferulic acid, caffeic acid, cinnamic acid, and fumaric acid) and a solvent, followed by drying to obtain the chitosan-organic acid supramolecular ionic salt. The chitosan-organic acid supramolecular ionic salt prepared by this invention can improve the water solubility of chitosan and improve severely damaged hair, offering multiple functions such as repair and smoothing, making it suitable for hair care products. Furthermore, the preparation method is simple, requiring no catalyst or high temperature and pressure, making it suitable for industrial use.