79 results about "Thymol" patented technology

The invention relates to the technical field of coatings, in particular to a corrosion-resistant coating material and a preparation method thereof. The corrosion-resistant coating material comprises the following components in parts by mass: 80-100 parts of epoxy resin, 5-20 parts of a modified phenolic aldehyde amine curing agent, 2-5 parts of a waterproof agent, 5-10 parts of a corrosion inhibitor and 40-55 parts of a lubricant. The modified phenolic aldehyde amine curing agent is obtained by carrying out Mannich reaction on phenol, thymol, aliphatic polyamine and formaldehyde. The phenol provides a rigid benzene ring structure, and endows a cured product with good heat resistance and chemical resistance. Thymol improves the flexibility and adhesive force of the cured product and enhances the hydrophobicity of the cured product at the same time. The epoxy resin and the modified phenolic aldehyde amine curing agent are polymerized, the waterproof agent, the corrosion inhibitor and the lubricant are wrapped, and the obtained coating material has good adhesive force and corrosion resistance.

The invention discloses an intelligent modified atmosphere packaging film with gas selectivity and pH / humidity double response as well as a preparation method and application of the intelligent modified atmosphere packaging film. The preparation method comprises the following steps: mixing thymol emulsion and graphene oxide dispersion liquid, and stirring and reacting at room temperature in a dark place to prepare graphene oxide-thymol; the preparation method comprises the following steps: dissolving chitosan in an acetic acid aqueous solution, then adding graphene oxide-thymol and a plasticizer, and carrying out ultrasonic dispersion treatment to form a film-forming solution; and carrying out film forming treatment on the film forming solution by adopting a casting method to prepare the intelligent modified atmosphere packaging film with gas selectivity and pH / humidity double response. The prepared intelligent modified atmosphere packaging film can be modified automatically, is uniform and stable in structure, high in encapsulation efficiency, close in coordination, good in antibacterial and antioxidant activity and excellent in mechanical property and gas barrier property, can realize selective adsorption of gas, controls release of thymol by responding to changes of the pH value and humidity in the environment, and has a good application prospect. The method has a good application prospect in the field of fruit and vegetable preservation.

Methods of making bioactive compound-loaded nanoparticles are provided. The methods harness naturally-occurring biopolymers to produce nanoparticles from raw plant materials. Methods include contacting plant-derived materials with alkaline solution with agitation to deprotonate the bioactive materials and biopolymers to form nanoparticles. In some forms, the methods contact the nanoparticle with an acid to re-protonate the components and more stable nanoparticles. The bioactive compounds can be extracted from raw plants and / or plant parts, including turmeric, ginger, clove, thyme, pepper, and rosemary. The bioactive compounds include curcumin, gingerols, shogaols, eugenol, thymol, carvacrol, capsaicin, and rosmarinic acid. Compositions and formulations containing bioactive-compound loaded nanoparticles are also provided.

The invention relates to a method for purifying a by-product of neomenthol in a menthol production line, which is characterized in that a reaction product obtained by hydrogenating thymol to produce menthol is used as a raw material, and the extraction of high-purity neomenthol is realized through a process of combining rectification and crystallization. The method specifically comprises the following steps: rectifying by using a rectifying tower with a specific specification under the conditions that the temperature is 115-125 DEG C, the vacuum degree is 15-20mmHg and the reflux ratio is (20: 2)-(50: 2), and enriching neomenthol to 75-77%; and carrying out plate-type crystallization treatment twice, carrying out crystallization under the conditions that the temperature is reduced to 25-27 DEG C through primary crystallization and the temperature is reduced to 35 DEG C through secondary programmed cooling, and carrying out further purification through heating and sweating to finally obtain a neomenthol product with the purity of 99.5%. The method is simple in process and low in energy consumption, does not need a solvent, can be directly connected with an existing production line, and is suitable for large-scale production of medicine and spice-grade high-purity neomenthol.

The present invention relates to a composition suitable for disinfecting surfaces which comprises contacting said formulation to an environmental surface wherein the formulation comprises thymol at a concentration ranging from at least 0.10% by weight and citric acid at a concentration from at least 0.3% by weight. Surprisingly and unexpectantly these concentrations provide formulations that are more effective in disinfecting than ones containing less of the two materials, or significantly more citric acid, or having ju

The present application belongs to the technical field of pesticides, and particularly relates to a fungicide composition for preventing and treating vine gummy stem blight. The fungicide composition for preventing and treating vine gummy stem blight is prepared by compounding thymol with monensin sodium or physcion methyl ether as effective components. The fungicide composition of the present application has different fungicidal mechanisms of thymol, monensin sodium and physcion methyl ether, and the combination of the three components can delay the accumulation and development of pathogenic fungi resistance, and effectively overcome the problems existing in the prevention and treatment of vine gummy stem blight by using single-component pesticides. In addition, the effective components of the fungicide composition of the present application have a synergistic effect on vine gummy stem blight, can improve the prevention and treatment effect on vine gummy stem blight, help to reduce the application dose of the pesticide, and effectively overcome the problems of pesticide residue exceeding the standard and environmental pollution. Furthermore, thymol, monensin sodium and physcion methyl ether in the fungicide composition of the present application are environmentally friendly and green.

The invention discloses a method for extracting and separating baicalin and baicalein, which comprises the following steps: S1, weighing thymol and menthol, adding the thymol and the menthol into a three-neck flask, and heating and stirring to form uniform and transparent liquid as an extracting agent thymol-menthol eutectic solvent; s2, mixing the radix scutellariae powder with a 50% ethanol solution, heating, condensing and refluxing twice to obtain an extracting solution, centrifuging, taking supernate, and concentrating to obtain a radix scutellariae extracting solution. And S3, putting the scutellaria baicalensis extracting solution and an extracting agent into a high-pressure extraction kettle, carrying out pressurized extraction, transferring to a separating funnel, standing for layering, and respectively collecting. And S4, adding water into the lower-layer water phase for dilution, filtering, heating and stirring, standing at low temperature for crystallization, carrying out suction filtration, washing and drying to obtain purified baicalin. And S5, adding ethyl acetate into the upper-layer extraction phase, oscillating and standing, collecting the lower-layer ethyl acetate, adding anhydrous sodium sulfate, filtering, concentrating, adding absolute methanol, standing at low temperature, crystallizing, carrying out suction filtration, washing and drying to obtain purified baicalein. According to the method for extracting and separating the baicalin and the baicalein, the yield and the purity of the baicalin and the baicalein can be improved.

The invention relates to a preparation method of an animal anti-diarrhea feed additive containing delinted moxa powder and essential oil. The preparation method of the animal anti-diarrhea feed additive containing the delinted moxa powder and the essential oil comprises the following steps: mixing essential oil components thymol and cinnamyl aldehyde, and stirring at 35-65 DEG C until the essential oil components are dissolved to obtain an essential oil solution; the preparation method comprises the following steps: mixing antioxidants BHA and PG, citric acid and ethanol, and stirring until dissolving to obtain an ethanol solution; mixing the ethanol solution with stone powder, and drying to remove ethanol to obtain a solid mixture; mixing the solid mixture with the essential oil solution, adding delinted moxa powder, and stirring uniformly; according to the preparation method of the animal anti-diarrhea feed additive containing the delinted moxa powder and the essential oil, stable combination of the essential oil and the delinted moxa powder is achieved, the diarrhea morbidity and mortality are remarkably reduced in animal experiments, and the effect is better than that of independent use of the essential oil.

The present application belongs to the technical field of livestock feed additives, and discloses a compound plant extract additive for resisting and promoting growth of feed and a preparation method thereof. The additive is composed of not less than 40% of the compound plant extract and not less than 5% of the compound essential oil. The plant extract is selected from the group consisting of Rhizoma Coptidis, Radix Aucklandiae, Radix Scrophulariae, roasted foxtail millet, leaves of Alchornea trewioides, moxa licorice and Amomum kravanh as raw materials; the essential oil part includes cinnamaldehyde, cassia oil, cinnamon oil, thymol and oregano oil to form a synergistic antibacterial aromatic system. The starch-arabic gum protein composite wall material is used for microencapsulation to realize slow release and adapt to the feed granulation condition. The bitterness and irritating odor are covered by the flavoring technology to improve the animal feed intake and palatability. The additive has multiple functions of resisting and preventing diarrhea, enhancing immunity, promoting growth and improving meat quality, is natural in origin, free of antibiotics, and has no residue and no drug resistance, and is suitable for long-term feeding.

Provided are a cosurfactant-free microemulsion encapsulating glycyrrhetinic acid, a preparation method therefor, and use thereof. The cosurfactant-free microemulsion comprises carvacrol / thymol, a fatty acid, a nonionic surfactant, and water. Based on the mass percentage of the raw materials, the glycyrrhetinic acid accounts for 0.1-5%, the carvacrol / thymol accounts for 0.1-5%, the fatty acid accounts for 0.1-10%, the nonionic surfactant accounts for 1-30%, and the balance is made up to 100% with water. Carvacrol / thymol not only increases the solubility of glycyrrhetinic acid, but also promotes the transdermal absorption of glycyrrhetinic acid, and is a cosmetic composite efficacy composition having antioxidant, anti-inflammatory, and antibacterial effects.

The invention provides an oral care composition for inhibiting helicobacter pylori and a preparation method of the oral care composition. The oral care composition comprises glycerin, xylitol, erythritol, thymol clathrate, garlic extract clathrate, propolis extract, lactoferrin, disodium ethylene diamine tetraacetate, menthol, potassium sorbate and purified water. The thymol clathrate compound is obtained by carrying out clathration on thymol through beta-cyclodextrin. The garlic extract clathrate compound is obtained by clathrating a garlic extract with beta-cyclodextrin. According to the oral care composition provided by the invention, the helicobacter pylori in the oral cavity can be effectively inhibited through reasonable proportioning of various components, so that the risks of ozostomia and stomach reinfection are reduced.

The present application provides a kind of compound composition for preventing and treating plant wilt, the composition composition includes 4-hydroxy cinnamic acid and thymol, mass ratio is 1:1~1:2;The mass ratio of the composition is 1:1, the concentration of the composition is 60~300 μg / mL;The mass ratio of the composition is 1:2, the concentration of the composition is 50~200 μg / mL;The present application can inhibit the growth of pepper fusarium oxysporum f.sp.cubense mycelium, spore germination and sporulation, and can play a synergistic effect.The composition in the present application can significantly reduce the incidence of wilt in pot experiment.Compared with the prior art, the present application aims to reduce the use of chemical pesticides by low-cost, safe and efficient plant-derived antibacterial compounds.

This invention discloses a method for preparing and applying nanoliposomes, relating to the fields of kiwifruit soft rot control and kiwifruit preservation. The preparation method includes the following steps: mixing thymol, cholesterol, and oleic acid to obtain an oil phase; mixing polyethylene glycol, lauryl ether phosphate, an emulsifying dispersant, and water to obtain an aqueous phase; mixing the oil phase and the aqueous phase, performing high-speed emulsification and shearing followed by low-speed stirring to obtain nanoliposomes. This invention uses cholesterol and oleic acid as wall materials and polyethylene glycol as a modifying material to successfully load thymol into nanoliposomes via microemulsification, achieving highly efficient encapsulation of thymol. The obtained thymol-containing nanoliposomes exhibit excellent performance and can be used to prepare formulations for controlling kiwifruit soft rot, demonstrating excellent control effects against the disease.

The invention relates to the technical field of bioengineering, in particular to a mask composition containing membrane of hen egg and thymol ferulate and application of the mask composition. Comprising the following components in parts by mass: 4 to 7 parts of glycerol, 0.05 to 0.15 part of an emulsifying agent, 2 to 3 parts of ethanol, 0.02 to 0.03 part of ethylparaben, 0.3 to 0.5 part of carbomer, 0.07 to 0.08 part of chorion ovi polypeptide and 0.03 to 0.05 part of thymol ferulate. The prepared gel mask is superior to commercially available products in the aspects of moisture retention and oxidation resistance, and the development of the mask can provide a new thought and practical basis for high-value utilization of natural active ingredients and development of multifunctional skin care products.

The application discloses an antifungal effect of an antifungal emulsion and application of the antifungal emulsion in prevention and treatment of chestnut corruption, and belongs to the technical field of food preservation. The application is used for preventing and treating corruption caused by fungal infection during the collection and storage period of chestnuts. The antifungal emulsion comprises an antifungal component, an emulsifier and distilled water. The antifungal component comprises at least one of plant essential oil and active components of plant essential oil. The plant essential oil is at least one of thyme essential oil, clove essential oil and perilla essential oil. The active components of plant essential oil are at least one of thymol, eugenol and perillaldehyde. The application has good prevention and treatment effect on fungal infection of chestnuts during the collection and storage period, and has the advantages of being green, safe and efficient.

The invention discloses a method for detecting alkylphenol by vortex-assisted liquid-liquid microextraction of supermolecular deep-eutectic solvent-based ferrofluid, which comprises the following steps: taking a novel supermolecular deep-eutectic solvent synthesized by thymol, octanoic acid and hydroxyethyl beta-cyclodextrin as raw materials as a carrier liquid, and taking oleic acid modified Fe3O4 nanoparticles as a carrier; and preparing the supramolecular eutectic solvent-based ferrofluid through an ultrasonic method. On the basis, the supermolecule eutectic solvent-based ferrofluid is used as an extraction agent for vortex-assisted liquid-liquid microextraction to extract alkylphenol in a sample to be detected, and then the alkylphenol is analyzed and detected by high performance liquid chromatography. The invention establishes a vortex-assisted liquid-liquid microextraction detection method for supermolecule deep-eutectic solvent-based ferrofluid, which can simply, quickly and sensitively detect alkylphenol in environmental water samples and beverages. The method has important application value and practical significance in the aspects of environment monitoring, food safety supervision and the like.

The invention discloses a compound nysfungin ointment, which comprises an active component, a preservative, a humectant, a thickening agent, a grease matrix and an antibacterial agent, the active component is selected from one or more of self-made mycotoxin, neomycin sulfate, permethrin and triamcinolone acetonide, the preservative is selected from benzalkonium chloride, the humectant is selected from glycerol, the thickening agent is selected from glycerol, and the grease matrix is selected from a grease matrix. The humectant is selected from humectant, the thickening agent is selected from carbomer, the grease matrix is selected from liquid paraffin and / or wool fat, the antibacterial agent is selected from thymol, and the ratio of the humectant to the thickening agent is (2-7): (0.5-3) in parts by mass. By accurately controlling the proportion of the humectant to the thickener, the texture of the ointment can be optimized, so that the skin permeability is improved, the medicine absorption is promoted, the treatment effect is improved, in addition, the form of the ointment can be kept, the active ingredients are prevented from being degraded, and the shelf life of the preparation is prolonged.

The present disclosure relates to compositions and related apparatuses that provide effective microbial inhibiting headspace concentrations of allyl isothiocyanate, citral, thymol, linalool, terpineol, eugenol, or a combination of any two or more thereof.

The invention discloses a skin protective agent for treating tinea and sterilizing and a preparation method thereof. According to the traditional Chinese medicine composition, through scientific matching of various natural antifungal components, the traditional Chinese medicine composition can effectively act on fungi causing tinea. The tea tree oil and the plant-derived thymol serve as traditional antifungal components and can directly inhibit synthesis of fungal cell membranes, the baicalin traditional Chinese medicine extract can enhance the antibacterial effect, and the tea tree oil, the plant-derived thymol and the baicalin traditional Chinese medicine extract are matched with one another to form multiple inhibition effects and help to relieve fungal loads on the skin surface. Meanwhile, the skin repairing components in the formula play a synergistic role, ceramide NP can supplement lipids needed by skin barriers, sodium hyaluronate and oat beta-glucan provide lasting moisture nourishing for skin, repair of damaged cuticles is promoted, and the opportunity that fungi invade again is reduced.

The invention discloses a rubber-based composite regenerant as well as a preparation method and application thereof, and belongs to the technical field of asphalt regeneration. According to the invention, thymol is introduced, and secondary polymerization of active olefin in pyrolytic oil is inhibited by using a hindered phenol structure of thymol, so that the chemical stability of the regenerant is greatly improved. Thymol molecules remaining in the rubber-based composite regenerant continue to play an antioxidant role in the asphalt service period, peroxy radicals generated by photo-thermal aging are captured, secondary aging of a regenerated pavement is delayed, the service life of a road is prolonged, and the regenerated asphalt is endowed with an anti-aging function. A perfect amphiphilic balance is formed between an aliphatic chain derived from lauric acid and an aromatic ring structure generated by cracking pyrolysis of rubber, the structure can dissolve asphaltene due to aromaticity, and can be dispersed in oil due to fatty property, so that the low-temperature ductility and fatigue crack resistance of the regenerated asphalt are remarkably improved, and the service life of the regenerated asphalt is prolonged. And an excellent blending effect among the components is realized.

A composition for managing, controlling, neutralizing, killing, or repelling an amphibian or reptile comprises at least one active ingredient comprising an effective amount of thymol or a derivative thereof and an effective amount of eugenol or a derivative thereof. The composition is also useful for protecting, guarding, or repelling a pet.

To provide a perfume composition for deodorization capable of deodorizing all of feces and urine odor, food odor and body odor without generating chemical odor.SOLUTION: The perfume composition for deodorization contains the following components (A) and (B), wherein the mass ratio [(B) / (A)] of the component (B) to the component (A) is 0.12 or more. (A) an aromatic ring-free unsaturated aldehyde having a molecular weight of 100 to 160 and 9 to 10 carbon atoms, and (B) one or more selected from the group consisting of 2-methyl-2-pentenoic acid, cis-3-hexenyl benzoate, citronellyl butyrate, benzaldehyde, trans-3-hexenol, cis-6-none-1-ol, and thymol SELECTED DRAWING: None

The invention belongs to the technical field of preparation of feed additives, and relates to a microcapsule embedding composite essential oil preparation device, a microcapsule embedding composite essential oil preparation method and essential oil, the microcapsule embedding composite essential oil preparation device provided by the invention is characterized in that a premixing stirrer, a vacuum container, an emulsification assembly, a centrifugal pump and a spray drying granulator are connected through a pipeline conveying device; through a conveying pipe and a stirring tank of the pipeline conveying device, conveying, adding and mixing of materials are achieved, and preparation of the composite essential oil is achieved. Meanwhile, the microcapsule embedded compound essential oil for the feed is prepared by compounding cinnamyl aldehyde, eugenol, thymol, carvacrol and tea tree essential oil according to a certain proportion, the problem that single essential oil is single in effect is solved, and the microcapsule embedded compound essential oil has the effects of resisting oxidation, reducing stress and promoting reproductive organ development of laying ducks, so that the laying rate is increased, and the egg quality is improved.

This invention discloses an antibacterial and mosquito-repellent composite material based on plant extracts, its preparation method, and a latex paint. The method includes: providing a zinc ion solution and an alkaline precipitant solution, wherein the alkaline precipitant solution is selected from at least one of sodium hydroxide solution, potassium hydroxide solution, or ammonia water; mixing and reacting the zinc ion solution and the alkaline precipitant solution, controlling the final pH value of the reaction to be 8-11, and then post-processing to obtain nano-zinc oxide particles; dispersing the nano-zinc oxide particles in an L-cysteine ​​solution, adding a stabilizer to obtain an L-cysteine-modified nano-zinc oxide dispersion; adding β-alanine and plant extracts to the nano-zinc oxide dispersion, homogenizing and drying to obtain the antibacterial and mosquito-repellent composite material; wherein the plant extract is selected from at least one of thymol or geraniol, nocaketone, physalisol, citronella oil, and lemon eucalyptus oil, combined with thymol. This invention can produce an antibacterial and mosquito-repellent composite material with long-lasting antibacterial and mosquito-repellent effects.

The application relates to the technical field of daily chemicals, and particularly discloses a bacteriostatic and deodorizing fragrance composition as well as a preparation method and application thereof. The bacteriostatic and deodorizing fragrance composition is made of raw materials and comprises the following components: a chemical reaction type deodorizing fragrance base, a sensory modification and receptor blocking fragrance base and a bacteriostatic synergistic fragrance base. The chemical reaction type deodorizing fragrance base is a combination of one or more of citral, citronellal, decanal, damascone, ionone and methyl dihydrojasmonate; the sensory modification and receptor blocking fragrance base is a combination of one or more of menthol and its derivatives, linalyl acetate, dihydromyrcenol and eucalyptol; and the bacteriostatic synergistic fragrance base is a combination of one or more of farnesol, eugenol, thymol, tea tree oil and rosemary extract. The bacteriostatic and deodorizing fragrance composition can keep a better balance and coordination of the sensory modification, chemical deodorization and bacteriostatic components in the fragrance, and thus can exert excellent deodorization and bacteriostatic effects.

The application relates to the technical field of aquaculture, in particular to a composition, a feed additive, a feeding method and application. Embodiments disclose a composition composed of cinnamyl aldehyde, thymol, carvacrol and lauric acid monoglyceride, which is used for feeding Chinese soft-shelled turtles and grass carp, can effectively promote the growth of the Chinese soft-shelled turtles and the grass carp, improve the daily weight gain of livestock and poultry, improve the feed conversion rate, improve the meat quality and the protein content, improve the immune capacity of the aquaculture animals, and has the characteristics of easy availability of raw materials and low cost.

The invention relates to a pest control composition comprising a phenol, such as thymol, an aldehyde, such as vanillin, one or more of the following: a free fatty acid, a fatty acid salt, and a lipopeptide, and a carrier and / or solvent. The invention further relates to a pest control composition comprising thymol, an oil selected from the group consisting of rapeseed oil, soybean oil, and diesel fuel, a stabilizer, and a solvent. The invention also relates to methods for preparing these pest control compositions and to uses of these compositions.

The invention belongs to the technical field of thymol preparation, and particularly relates to a multi-stage alkali washing counter-current extraction and purification method for a thymol synthetic crude product. Comprising the following steps: preparing a thymol crude product through Friedel-Crafts alkylation reaction, diluting with an organic solvent, adding water and separating an oil-water phase to obtain liquid acid with relatively high concentration, carrying out alkali washing to obtain an alkaline phenate aqueous solution, layering multi-stage mixed oil and water, neutralizing, crystallizing and refining to obtain the thymol. According to the purification method, water washing is directly used, an acid catalyst which is high in concentration and easy to post-treat can be recycled with a small amount of water, the problem that the environmental protection pressure is large when thymol is synthesized through a liquid acid catalysis method is solved, a low-cost liquid phase method has a practical space, the technical threshold of synthesis and separation steps is lowered, and the method is suitable for industrial production. The industrial production of the thymol is facilitated.

The invention belongs to the technical field of food processing, and particularly relates to a preparation method of thymol microemulsion and application of the thymol microemulsion in margarine. According to the thymol microemulsion provided by the invention, the water solubility and stability of edible oil and the utilization rate of unsaturated fatty acid can be improved, the edible oil is encapsulated in the form of microemulsion, and polyunsaturated fatty acid is embedded through a food delivery system, so that the dispersity of the polyunsaturated fatty acid in a water phase is improved, and oxidation of oil drops is inhibited; therefore, the purposes of protecting, transferring and releasing the functional grease are achieved. According to the margarine prepared by the preparation method disclosed by the invention, in-vitro simulated digestion result analysis shows that oil drops of a test sample are gradually reduced along with the action of stomach and intestine digestive juice, and the total fatty acid content is reduced. According to the phenomenon, positive regulation and control of a system on fat digestion and normal metabolism of fat are optimized, the controllability of fat digestion and absorption is achieved, the requirements of special crowds for slow release of nutritional ingredients of sugar-controlled and fat-controlled people and the like are met, and experimental and theoretical support is provided for functional application.

The invention discloses a puffed cow leather preservative and a preparation method thereof, and relates to the technical field of food preservation. The preparation method comprises the following steps: firstly, pre-embedding thymol by using beta-cyclodextrin to form a thymol / cyclodextrin inclusion compound; the preparation method comprises the following steps: preparing a thymol / cyclodextrin inclusion compound, embedding the thymol / cyclodextrin inclusion compound and collagen peptide by using phospholipid-cholesterol lipidosome to obtain lipidosome loaded with thymol and collagen peptide, and embedding the lipidosome loaded with thymol and collagen peptide by using chitosan to obtain the puffed cattle hide preservative. Efficient embedding and slow release of double active substances are achieved through a three-stage embedding structure, lipid / protein oxidation, bad flavor generation and form damage in the puffed cow leather storage process can be remarkably inhibited, and the fresh-keeping effect, product palatability and economical efficiency are considered; the method solves the problems of incomplete oxidation inhibition and high cost of the existing puffed cow leather fresh-keeping technology, and is suitable for industrial fresh-keeping application of puffed cow leather.