43 results about "Carvacrol" patented technology

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.

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 present application belongs to the technical field of pesticides, and particularly relates to a fungicidal composition for preventing and treating fusarium wilt of bitter gourd. The fungicidal composition for preventing and treating fusarium wilt of bitter gourd comprises fluazinam and carvacol or flutianil as active ingredients. The fluazinam is compounded with carvacol or flutianil by using the compounding strategy. The indoor bioactivity test shows that the compound combination has a synergistic effect on fusarium wilt of bitter gourd. Compared with single components, the compound combination can improve the prevention and treatment effect on fusarium wilt of bitter gourd, thereby effectively preventing and treating fusarium wilt of bitter gourd and providing support for developing new pesticides for preventing and treating fusarium wilt of bitter gourd.

The invention belongs to the technical field of food attractants, and particularly relates to a armyworm food attractant and application thereof. The invention relates to a armyworm food attractant, which is prepared from the following components in percentage by mass: 6 to 12 percent of food attractant component, 3 to 8 percent of smell attractant component, 2 to 4 percent of absolute ethyl alcohol, 2 to 4 percent of distilled water and the balance of slow-release carrier, wherein the food attractant component is prepared from D-fructose and L-alanine; the olfactory attraction component is prepared from thymol, carvacrol and decalactone or modified decalactone. According to the present invention, the olfaction attraction component composed of thymol, carvacrol and gamma-decalactone or modified decalactone is added to the food attraction component composed of D-fructose and L-alanine, such that the attraction effect on the adult armyworms can be significantly improved, and the important meaning is provided for insect pest monitoring and green prevention and control of armyworms.

The aim is to provide a beer-flavored beverage in which the potato and bean-like odors derived from malt are suppressed, while also providing the dry and smooth characteristics typical of beer-flavored beverages. [Solution] The above problem is solved by providing a beer-flavored beverage that uses malt as a raw material and contains carvacrol and linalool, wherein the ratio of the carvacrol content to the linalool content (carvacrol content / linalool content) is less than 0.40.

The present application provides a carvacrol tertiary amine derivative, a preparation method and an application in preparing a plant source fungicide, the carvacrol tertiary amine derivative contains a cyclic secondary amine substituent, the preparation method of the derivative is that an intermediate II is dissolved in ethanol, then a cyclic secondary amine is added, heating and stirring are carried out, reflux is kept, after TLC detection reaction is completed, ethanol is removed under reduced pressure, then extraction, water washing and purification are carried out, and the carvacrol tertiary amine derivative is prepared. The carvacrol tertiary amine derivative prepared by the present application exhibits obvious bacteriostatic activity on cucumber anthracnose fungus, tomato botrytis blight fungus, wheat scab fungus and wheat take-all fungus. The preliminary bacteriostatic activity of carvacrol tertiary amine derivatives 1, 3, 10 and 14 on wheat take-all fungus is 60.8%-83.2%, which is significantly better than that of positive control hymexazol (48.6%) and reference control carvacrol (45.0%).

To provide a bee repellent in order to prevent damage to honeybees, which are not the intended target of pesticides applied to crops or pesticides used to control carnivorous bees such as hornets and paper wasps. [Solution] A bee repellent comprising one or more components selected from tetradecane, furfuryl alcohol, cinnamyl alcohol, cinnamaldehyde, 3-methyl-2-butenal, methyl cinnamate, geranyl formate, allyl cyclohexanepropionate, isoquinoline, borneol, carvacrol, δ-dodecalactone, β-ionone, quinoline, butylamine, and citronella oil as active ingredients.

The invention discloses a composition capable of efficiently killing a greedy meimeria disease and application of the composition. The composition is prepared from 0.1 mg / mL to 0.9 mg / mL of astragalus polysaccharide, 0.005 mg / mL to 0.015 mg / mL of carvacrol, 0.05 mg / mL to 0.15 mg / mL of praziquantel and 0.4 mg / mL to 1.5 mg / mL of herba epimedii. The invention finds that after the astragalus polysaccharide, carvacrol, praziquantel and epimedium are combined for use, a remarkable synergistic effect is generated, and the effect of killing the greedy Michamei insect can be remarkably improved within the same time at the dosage which is far lower than the effective concentration of each single component of the astragalus polysaccharide, the carvacrol, the praziquantel and the epimedium. The dosage of four drugs is greatly reduced, the method has the advantages of being efficient, low in cost, capable of reducing drug residues and the like, and a new scheme can be provided for prevention and treatment of the greedy Michameiasis of the large yellow croakers.

This invention relates to the field of energy-saving and environmental protection technology, specifically to a carvacrol-based hydrophobic eutectic solvent extractant and its preparation method, and its application in the extraction of quinoline from coking wastewater. The structural formula of the carvacrol-based hydrophobic eutectic solvent is shown in formula (I). The method for extracting quinoline from coking wastewater is as follows: the carvacrol-based hydrophobic eutectic solvent is placed in an aqueous solution containing quinoline, and the quinoline is extracted under constant temperature and stirring conditions. The carvacrol-based hydrophobic eutectic solvent prepared by this invention uses natural, inexpensive, simple-to-prepare, and environmentally friendly raw materials, and has a strong ability to remove quinoline from coking wastewater. Simultaneously, this eutectic solvent has good phase-forming ability with water, achieving phase separation with a relatively small dosage. Under the conditions of a volume ratio of carvacrol-based hydrophobic eutectic solvent to quinoline aqueous solution of 1:10, pH value of 7, temperature of 25℃, extraction time of 10 minutes, and concentration of 50 mg / L, the extraction efficiency of quinoline can reach 98.41%. (I)

The application discloses a method for determining the content of carvacol in compound fertilizer, and the method comprises gas phase determination and liquid chromatography, and the gas chromatography method for determining the content of carvacol in compound fertilizer comprises the following steps: S1, sample pretreatment; S2, matrix purification; S3, chromatographic analysis; and S4, quantitative calculation; in the application, a silica gel SPE column is used to replace a traditional diatomite column in the GC method, the polarity impurity adsorption is enhanced through ethyl acetate-hexane gradient activation, sodium chloride salting-out and EDTA complex metal ions are introduced in the HPLC method, the number of miscellaneous peaks in the GC chromatogram is reduced, the separation degree of the carvacol peak is improved, and the service life of the HPLC column is prolonged; the GC method is operated under the conditions of temperature control ultrasonic at 35±2 DEG C and full light avoidance; the HPLC method adopts room temperature methanol-water system extraction, and the recovery rate of the GC method is improved; the HPLC method avoids the 60 DEG C concentration requirement of acetonitrile extraction, and the light stability is improved.

Plant-derived compositions containing an essential oil core and one or more additives are described. The essential oil core comprises two kinds of essential oil. The two kinds of essential oil are eugenol and carvacrol. Drinking water containing plant-derived compositions and methods of providing drinking water containing plant-derived compositions to PW piglets are disclosed.

This invention relates to the field of power cable technology and proposes a flame-retardant power cable and its preparation method. A flame-retardant power cable includes a conductor, an insulation layer, and a sheath layer arranged sequentially from the inside out. The sheath layer comprises the following components in parts by weight: 90-110 parts polyethylene, 6-12 parts compatibilizer, 2-3 parts carbon black, 20-30 parts flame retardant, 1-3 parts lubricant, 0.8-1.2 parts ultraviolet absorber, and 1-1.4 parts antioxidant. The flame retardant includes ammonium polyphosphate and a γ-cyclodextrin inclusion complex; the γ-cyclodextrin inclusion complex contains carvacrol acetate and tea polyphenols. This technical solution solves the problem of insufficient flame retardancy in existing power cables.

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 application discloses a kind of composite sweet compound has sweetening effect additive and its application method, belong to food additive technical field.The additive includes mass ratio 5:0.01:0.00625~24 of sucrose, propylene glycol and composite sweet compound;Wherein, composite sweet compound is selected from at least three kinds in ethyl benzoate, furanone, butyl position decanolactone, propyl position decanolactone, carvacrol, carvone, propyl position nonanolactone, benzyl alcohol, citronellol.The application is by compounding three kinds and more than aroma substance, utilizes multiple aroma synergistic effect taste perception, can realize effective sweetening effect under the premise of significantly reducing sucrose amount, improve the comfort of taste simultaneously.This method not only provides important reference for the sweetening effect of different aroma, has scientific research guiding value, also provides a kind of new strategy for food industry by aroma control, realizes sugar reduction gain, can respond to health needs while maintaining flavor and taste, with wide application prospect.

A new method for regulating synthesis and degradation of hyaluronic acid by a fibroblast, comprising using at least one selected from nerol, carvacrol, geraniol, an agarwood essential oil, and a sandalwood essential oil.

The invention relates to the technical field of energy conservation and environmental protection, in particular to a carvacrol-based hydrophobic deep-eutectic solvent extraction agent, a preparation method and application of the carvacrol-based hydrophobic deep-eutectic solvent extraction agent in extraction of quinoline in coking wastewater. The structural formula of the carvacrol-based hydrophobic deep-eutectic solvent is shown as a formula (I), and the method for extracting the quinoline in the coking wastewater comprises the following steps: putting the carvacrol-based hydrophobic deep-eutectic solvent into an aqueous solution containing the quinoline, and extracting the quinoline under the conditions of constant temperature and stirring. The carvacrol-based hydrophobic deep-eutectic solvent prepared by the invention is natural in raw materials, low in price, simple to prepare and environment-friendly, and has relatively strong removal capability on quinoline in coking wastewater. Meanwhile, the eutectic solvent has good phase forming capacity with water, and phase separation can be achieved under the condition of small dosage. Under the conditions that the volume ratio of the carvacrol-based hydrophobic deep-eutectic solvent to the quinoline aqueous solution is 1: 10, the pH value is 7, the temperature is 25 DEG C, the extraction time is 10 minutes, and the concentration is 50 mg / L, the extraction efficiency of the quinoline can reach 98.41%. (I).

The invention provides a masking agent, a masking method for applying reaction odor, a hair texturing agent, a hair cosmetic for perm, a method for producing the same, and a perfume composition used in the same. The present invention relates to a hair texturing agent capable of masking a strong reaction odor caused by a plurality of different types of causative substances, which is generated during application of a mercaptoacetic acid-based and cysteamine-based hair texturing agent to hair and remains for a few days after application. A masking agent for an odor from a hair texturing agent, said masking agent containing one or more types of perfume selected from the group consisting of (E, E)-2, 4-heptadienal, 3-mercapto-3-methylbutanol, 4-ethylguaiacol, and carvacrol. It is preferable that the perfume contains at least one perfume selected from the group consisting of acetophenone and methyl octyl ketone.

The application discloses a bactericidal composition and application thereof in prevention and treatment of corn dwarf mosaic, and belongs to the technical field of pesticides. An active ingredient of the bactericidal composition comprises carvacol and chlorobromoisocyanuric acid, and the weight ratio of the carvacol and the chlorobromoisocyanuric acid is 1:1-1:15. It is found that the effect of the carvacol and the chlorobromoisocyanuric acid mixed for preventing and treating corn dwarf mosaic is obviously higher than that of a single component, the synergistic effect of the two is obvious in the range of 1:1-1:15, and the best ratio is 1:5. The bactericidal composition can reduce the use dosage of the pesticide, improve the prevention and treatment effect, reduce the use cost, and improve the safety to crops and the environment.

The invention discloses a preparation method and application of a chitosan and carvacrol mycelium antibacterial composite membrane. The chitosan and carvacrol mycelium antibacterial composite membrane is prepared from mycelia of mucor racemosus, chitosan and carvacrol. Good complementarity of chitosan and carvacrol in function and activity is applied through a proper method, carvacrol and chitosan are compounded, the stability of carvacrol can be remarkably improved, the carvacrol and the antibacterial activity of chitosan can form a synergistic effect, and therefore the antibacterial performance of the composite film is enhanced, and the service life of the composite film is prolonged. The antibacterial composite film material can be provided for the field of food packaging.

The invention provides a plant essential oil additive and a preparation method and application thereof, the plant essential oil additive comprises a wall material and plant essential oil, and the wall material comprises Arabic gum and maltodextrin; the plant essential oil comprises thymol, carvacrol, cinnamyl aldehyde and cineole; wherein the wall material is coated on the outer side of the plant essential oil. According to the invention, through wall material coating, the volatility of the plant essential oil is effectively inhibited, and the volatilization and degradation of essential oil components are delayed, so that the stability and durability of the essential oil in the feed are enhanced. And wall material wrapping can prevent non-uniform distribution of the plant essential oil component in the feed, so that the uniformity and effectiveness of the plant essential oil component in the feed are ensured, and the use effect is improved. The activity of thymol, carvacrol, cinnamyl aldehyde, cineole and other components in the plant essential oil can be kept, and the components have good antibacterial, anti-inflammatory, anti-oxidation and immunoregulation effects and are beneficial to improving the health level of livestock and poultry.

The invention discloses construction and application of a smooth liquid injection surface with a synergistic function of preventing residues, resisting bacteria and intelligently monitoring freshness, and belongs to the technical field of food packaging. The preparation method comprises the following steps: dissolving palm wax to prepare palm wax suspension, then spraying to obtain a super-hydrophobic porous coating, and annealing to obtain an annealed super-hydrophobic porous coating; the preparation method comprises the following steps: heating oleic acid, carvacrol, an emulsifier and a thickener in a water bath, uniformly stirring to obtain an oil phase, mixing, stirring and pre-emulsifying with an anthocyanin solution as a water phase, and homogenizing at a high speed to obtain a multifunctional water-in-oil emulsion; and dropwise adding the obtained multifunctional lubricant into the super-hydrophobic porous coating. Three functions are synergistically realized on a single surface, including excellent residual prevention capability based on a smooth surface, efficient antibacterial and decay delay capability based on carvacrol, and freshness real-time visual monitoring capability based on anthocyanin pH response.

The invention belongs to the technical field of livestock and poultry feeds, and particularly discloses a disease-resistant pig feed rich in immunological competence, which comprises the following components in parts by mass: a basal feed component, a compound immunological competence component, a stability enhancing component, a palatability improving component, a nutrition balancing component and a natural antibacterial component, the natural antibacterial component is composed of carvacrol, thymol and cinnamyl aldehyde in a mass ratio of 2: 1: 1. According to the disease-resistant pig feed rich in immunological competence components, a multi-component synergistic compound immunological competence system is constructed, the disease-resistant pig feed is easily absorbed by pig bodies, intestinal inflammation is reduced, comprehensive protection of immune activation, antibacterial prevention and control and micro-ecological regulation is achieved, and the disease-resistant effect is remarkably superior to that of a single component. The problems that an existing feed is single in active ingredient, poor in stability and limited in disease-resistant effect are solved, and the antibiotic-free breeding requirement is met.

The present application relates to the technical field of insecticide, and discloses a plant insecticide and a preparation method thereof, which comprises the following components by weight: 1-2 parts of pyridine insecticide, 0.8-1 parts of carvacrol, 3-5 parts of modified starch and 3-4.5 parts of sodium alginate. The pyridine insecticide and the carvacrol are compounded, and the two play a synergistic effect, which significantly improves the toxic activity on agricultural pests, and the insecticidal efficiency is effectively improved compared with the single use of the pyridine insecticide or the carvacrol. The carvacrol in the plant insecticide is derived from plant extraction, and has the characteristics of easy degradation and low toxicity; the modified starch and the sodium alginate are both natural polymer materials, can be biodegraded, and will not cause pollution to the soil and water, which meets the development demand of green agriculture.

To provide a beverage that offers improved taste and a richer aroma. [Solution] The above problem is solved by providing a beverage with an alcohol content of less than 1.0 v / v% and containing 0.5 μg / L or more of carvacrol, or a beverage containing 0.5 μg / L or more but less than 50 μg / L of carvacrol.

The invention provides an electrochemical catalytic reaction device for preparing carvacrol and a preparation method of the carvacrol. The device comprises an anode electrode, a cathode electrode and a diaphragm, the anode electrode is made of foamed nickel and an anode composite material loaded on the surface and in pore channels of the foamed nickel; the anode composite material comprises an inner core and a nitrogen-doped carbon layer arranged on the surface of the inner core, and the nitrogen-doped carbon layer is covalently connected with the porous skeleton; the inner core comprises a SiO2-ZrO2 porous skeleton and Ce-Co composite oxide loaded in a pore channel of the SiO2-ZrO2 porous skeleton, and the Ce-Co composite oxide is covalently connected with the porous skeleton; the material of the cathode electrode comprises a porous carbon felt and a cathode composite material loaded on the surface and in pore channels of the porous carbon felt; the cathode composite material comprises a carbon material and a Bi-Sn-Sb alloy loaded on the surface of the carbon material. By adopting the reaction device to prepare the carvacrol, the selectivity and the reaction efficiency of the electro-catalytic alkylation reaction can be effectively improved, and the yield and the purity of the carvacrol are improved.

The invention refers to compositions comprising: (a) from 25% to 43% by weight of 5-Isopropil-2-metilfenol (carvacrol); (b) from 20% to 38% by weight of 1,3,3-Trimethyl-2-oxabicyclo[2.2.2]octane (eucalyptol); and (c) from 21% to 38% by weight of 4-Methyl-1-(propan-2-yl)cyclohex-3-en-1-ol (terpinen-4-ol) being the sum of ingredients up to 100% by weight. The compositions have a strong biocidal activity. The invention also refers to products comprising the composition and also to the uses thereof.

An external anti-itch and anti-allergic drug after biting of biting midges and a preparation method thereof, relate to the technical field of medicine. The drug comprises: loratadine hydrochloride 0.1%-0.3%, 5%-8% lapis alumen, menthol 0.5%-1%, camphor 0.3%-0.5%, carvacrol 0.2%-0.5%, lemon eucalyptus oil 0.3%-0.6%, glycerol 3%-5%, panthenol 2%-4%, ceramide 0.1%-0.2%, vaseline 10%-15%, lanolin 5%-8%, deionized water and an appropriate amount of preservative. The preparation method comprises oil phase preparation, water phase preparation, high-speed emulsification and low-temperature mixing. Through the synergistic effect of anti-histamine components and physical anti-itch components, the multiple effects of rapid anti-itch, swelling, anti-allergy and skin barrier repair are realized, the pH value is close to the physiological environment of the skin, it is mild and non-irritating, and it is especially suitable for children, pregnant women and sensitive skin groups.

The invention belongs to the technical field of food preservation, and relates to a preparation method and application of a citral / carvacrol composite coating film for inhibiting mucor circinelloides and botryis cinerea. According to the invention, citral and carvacrol are used as a composite bacteriostatic agent and are added into a sodium alginate and pulullan film-forming material to prepare the citral / carvacrol composite coating film. According to the present invention, the main putrefying bacteria such as mucor circinelloides and botrytis cinerea can be effectively inhibited, the multiple quality deterioration problem during the strawberry storage can be pertinently solved so as to maintain the appearance quality, the rotting after the strawberry picking can be significantly improved, and the shelf life can be prolonged.

The present disclosure relates to compositions for improving gut health and / or milk production in ruminants, comprising: at least one organic acid chosen from sorbic acid, fumaric acid, malic acid, lactic acid, citric acid, formic acid, salts thereof and mixtures thereof; at least one essential oil chosen from thymol, eugenol, vanillin, thyme oil, carvacrol, cinnamaldehyde, clove leaf essential oil, and mixtures thereof; at least one bacterial fermentation product chosen from a Bacillus subtilis, Streptomyces, Aspergillus, Streptococcus fermentation product, a Streptomyces fermentation product, an Aspergillus fermentation product, a Streptococcus fermentation product, a paneibacillus fermentation product and mixtures thereof; at least one plant extract chosen from a saponin extract, a Yucca extract, and mixtures thereof; and optionally at least one controlled release matrix.

The present application relates to a kind of fungicidal compositions containing famoxadone and carvacol, and the effective component is the binary complex of famoxadone and carvacol.The mass ratio of famoxadone and carvacol is 1-20:30-5, and the mass fraction ratio of effective component famoxadone and carvacol in preparation is 6%-50%.The dosage form of the fungicidal composition described in the present application is emulsifiable concentrate, suspension concentrate, water emulsion, microemulsion and water dispersible granule.The fungicidal composition is suitable for preventing and treating various powdery mildew, rust, leaf blight, net blotch, downy mildew, early and late blight of fruit trees, vegetables, ornamental plants, crops, etc., and has good protective and curative effects on early and late blight of tomato, etc.