39 results about "Citronellol" patented technology

A pest control composition includes from about 4 wt % to about 10 wt % of sodium lauryl sulfate; one or more C5 to C9 hydrotropic salt; from about 1 wt % to about 10 wt % of one or more active ingredients selected from the group consisting of corn mint oil, peppermint oil, spearmint oil, rosemary oil, thyme oil, citronella oil, clove oil, cedarwood oil, cinnamon oil, geranium oil, eugenol, 2-phenylethyl propionate, menthol, menthone, thymol, carvone, camphor, methyl salicylate, p-cymene, linalool, geraniol, cinnamyl acetate, cinnamic alcohol, cinnamaldehyde, citronellol, eucalyptol / 1,8-cineole, alpha-pinene, bornyl acetate, gamma-terpinene, and combinations thereof; and from about 60 wt % to about 95 wt % of water. The pest control composition exhibits a water peak in a 2H spectrum having a width encompassing 90% of the area of the entire water signal of about 50 Hz or more, as determined by the 2H NMR Method.

The invention relates to the field of mosquito-repelling articles, in particular to a plant essential oil spray with a mosquito-repelling effect and a preparation method of the plant essential oil spray, and the plant essential oil spray comprises the following components in parts by mass: 45-50 parts of an essential oil-loaded modified mesoporous silica carrier; 60 to 70 parts of caprylic / capric glyceride; 3 to 5 parts of hydrogenated polyisobutene; the essential oil loading mass percentage of the essential oil loading modified mesoporous silica carrier is greater than or equal to 65%; the essential oil comprises PMD, citronellol and piperine in a mass ratio of (30-35): (10-12): (0.8-1); and the particle size distribution D90 of the essential oil-loaded modified mesoporous silica carrier is 15-20 [mu] m. According to the scheme, through the high-proportion mesoporous silicon dioxide carrier, the ultrahigh load rate of more than or equal to 65% for a PMD, citronellol and piperine ternary essential oil system is achieved, and the long-time slow-release mosquito repelling effect is achieved.

The invention discloses a rose essential oil hyaluronic acid elastomer as well as a preparation method and application thereof, and belongs to the fields of medicine, cosmetics and reproductive health. The rose essential oil hyaluronic acid elastomer is obtained by carrying out high-pressure esterification reaction on low-molecular-weight hyaluronic acid, large-molecular-weight hyaluronic acid and rose essential oil in a high-pressure esterification reaction kettle by taking high-pressure carbon dioxide as a reaction medium, and a formed crosslinked three-dimensional network structure can envelope and be stably added into various active ingredients in a product; the release of active matters is prolonged, and the curative effect of the product is improved; the main components of the rose essential oil comprise rhodinol, citronellol, phenethyl alcohol, geraniol, linalool or nerol; the rose essential oil hyaluronic acid elastomer prepared by the invention not only retains the anti-oxidation, anti-inflammatory and emotion regulation effects of the rose essential oil, but also strengthens the layered moisturizing capacity of hyaluronic acid, and meanwhile, newly adds the clinically verified compound functions of inhibiting scars, promoting wound healing and the like.

A pest control composition having from about 4 wt % to about 10 wt % of sodium lauryl sulfate, one or more C5 to C9 hydrotropic salt, from about 1 wt % to about 10 wt % of an active ingredient selected from the group consisting of corn mint oil, peppermint oil, spearmint oil, rosemary oil, thyme oil, citronella oil, clove oil, cedarwood oil, cinnamon oil, geranium oil, eugenol, 2-phenylethyl propionate, menthol, menthone, thymol, carvone, camphor, methyl salicylate, p-cymene, linalool, geraniol, cinnamyl acetate, cinnamic alcohol, cinnamaldehyde, citronellol, eucalyptol / 1,8-cineole, alpha-pinene, bornyl acetate, gamma-terpinene, and combinations thereof, and from about 60 wt % to about 95 wt % water. The pest control composition can exhibit a tan delta-1 value at a frequency of 1 Hz of from about 0.1 to about 2.

The invention belongs to the field of bio-based macromolecules, and particularly relates to an alcohol-soluble bio-based citronella polymer as well as a preparation method and application thereof. In order to solve the problem that trisubstituted olefinic bonds of citronellol cannot directly participate in a polymerization reaction, trisubstituted olefinic bonds of citronellol are converted into alkene monomers by utilizing a photooxidation reaction through a one-step method strategy. And then, based on a photo-induced electron transfer-reversible addition / fragmentation chain transfer polymerization technology at room temperature, obtaining a polymer with controllable molecular weight, narrower dispersity and rich polar groups in side chains. Finally, the alcohol-soluble resin-based environment-friendly coating is developed, and the functional application of a paint film is expanded by doping inorganic filler. According to the invention, not only is a brand new green conversion way opened up for high-value utilization of citronellol containing trisubstituted olefinic bonds realized, but also a high-performance full-bio-based environment-friendly functional coating is created based on the alcohol-soluble resin.

The present invention provides a repellent composition for mites which is excellent in mite-repelling effect against indoor mites even after a long period of time and is also excellent in safety to humans and animals. The present invention relates to a repellent composition for mites, which contains: (a) 1,8-cineol and / or 1,4-cineol and (b) a perfume ingredient, wherein the perfume ingredient contains one or two or more kinds of perfume compounds having a logP value of 2.0 to 5.5. The mixing ratio (a) / (b) of the (a) ingredient to the perfume compounds contained in the (b) ingredient is set to 5 to 100 on a mass basis. The perfume compounds contained in the (b) ingredient are at least one selected from the group consisting of ethyl cinnamate, allyl caproate, 3-methyl-5-phenyl-1-pentanol, citronellol, δ-dodecalactone, β-ionone, benzyl benzoate, linalyl acetate, geranyl acetate, tricyclo decenyl propionate, benzyl salicylate, limonene, and amyl salicylate.

The invention discloses a method for separating and preparing (R)-citronellal and co-producing (S)-citronellal, which takes raw materials containing (R)-citronellal and (S)-citronellal as substrates and carbonyl reductase and formate dehydrogenase as catalysts. According to the invention, co-production of (R)-citronellal and (S)-citronellal can be realized, and the (R)-citronellal and (S)-citronellal can be applied to the field of spices,

The invention discloses aromatic essential oil with carsickness preventing and relieving effects and a preparation method, and relates to the technical field of in-car health, and the aromatic essential oil specifically comprises alpha-pinene, beta-pinene, beta-caryophyllene, limonene, menthol, linalool, ocimene and citronellol. The proportions of the alpha-pinene, the beta-pinene, the beta-caryophyllene, the limonene, the menthol, the linalool, the ocimene and the citronellol are respectively 15 to 25 percent, 15 to 25 percent, 15 to 25 percent, 10 to 20 percent, 10 to 20 percent, 5 to 10 percent, 5 to 10 percent and 8 to 15 percent. Essential oil is adsorbed to pores of the ceramic rod in a vacuum impregnation or low-pressure pressurization impregnation mode, deep penetration of the essential oil on the ceramic rod is promoted, the fragrance carrying amount of the ceramic rod per unit is increased, fragrance release is more uniform and lasting, and therefore the fragrance carrying amount and uniformity are improved.

The invention discloses a bird repelling composition containing citronellol and a preparation method and application thereof, and relates to the field of pesticides, the effective components of the bird repelling composition comprise methyl anthranilate and citronellol, and the weight ratio of methyl anthranilate to citronellol is 9: 1-1: 9. According to the bird repelling composition disclosed by the invention, the methyl anthranilate and the citronellol are compounded, so that the bird repelling composition has a remarkable synergistic effect and an outstanding repelling effect on various birds.

An insect repellent composition for animals is disclosed. The insect repellent composition includes plant-based active ingredients and inert ingredients. The active ingredients include geraniol, clove oil, peppermint oil, and rosemary oil. The inert ingredients include mineral oil, isopropyl myristate, isopropyl alcohol, oleic acid, lauric acid, triethyl citrate, ethyl lactate, and vanillin.

The present disclosure is directed to certain polyether esters of di- and tri-carboxylic acid, and methods of making and using the same, such as maleate, fumarate, itaconate, citraconate, mesaconate, citrate, and tartrate, esters of polycitronellol and other polyterpenols. Such products can be prepared from renewable resources and the functional groups can include a wide variety of unsubstituted, substituted, saturated, unsaturated, cyclic, and acyclic molecular structures.

This invention discloses a method for preparing optically active citronellol, comprising the following steps: preparing optically active R-citronellol by asymmetric hydrogenation of neraldehyde and / or geranialdehyde in the presence of a catalyst, wherein the catalyst comprises a transition metal rhodium and a bisphosphine ligand, wherein the mass of isopentenol in the raw material neraldehyde or geranialdehyde is 100-500 ppm of the mass of neraldehyde or geranialdehyde, and the mass of 3,7-dimethyl-2,6-octadienoic acid is 500-1000 ppm of the mass of neraldehyde or geranialdehyde; the preparation method of this invention can significantly improve the catalytic stability of optically active transition metal catalysts used for homogeneous catalysis and asymmetric hydrogenation, yielding R-citronellol with high optical purity, while simplifying the process flow, avoiding the introduction of new impurities, and exhibiting significant economic benefits.

The invention relates to alcohol-free perfume and a preparation method thereof, and belongs to the technical field of daily chemicals. The perfume is composed of an essence composition and an alcohol-free solvent matrix. Wherein the essence composition is prepared from distilled chamomile essential oil and L-citronellol, the essence composition is prepared from lavender essential oil, sandalwood oil and iris absolute oil, the camphor of the lavender essential oil is removed through molecular distillation, the sandalwood oil and the iris absolute oil are subjected to antioxidant treatment, and the essence composition is prepared from cedarwood oil, benzoin resin and ambergris ether, the high-sensitization sesquiterpene of the cedarwood oil is removed through fractionation. The alcohol-free solvent matrix is formed by compounding caprylic / capric triglyceride, dipropylene glycol and ethylhexylglycerin. According to the invention, natural perfume is carefully selected and treated, a synergistic low-sensitivity essence framework is constructed, and the mild solvent is utilized, so that the stimulation of alcohol and common allergens is avoided, excellent fragrance quality and lasting fragrance are ensured, and meanwhile, the essence has extremely high safety and friendliness to sensitive skin.

The present invention addresses the problem of providing: a beverage in which the concentrations of beta-citronellol, nerol and geraniol are increased and the aroma of citrus fruits is enhanced; a method for producing the beverage; and a method for increasing the concentrations of beta-citronellol, nerol and geraniol in the beverage and enhancing the aroma of citrus fruits. The concentration of beta-citronellol, nerol and geraniol can be the concentration of beta-citronellol, nerol and / or geraniol, or the concentration of linalool, beta-citronellol, nerol and / or geraniol, or the concentration of linalool, beta-citronellol, nerol and / or geraniol, or the concentration of linalool, beta-citronellol, nerol and / or geraniol. The present invention relates to: a method for producing a beverage using a plant raw material, said method having a step for adding a food composition having lipase activity; and a beverage produced by said production method.

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 deodorant aerosol composition comprising an activated aluminium sesquichlorohydrate, a C10-C14 branched-chain hydrocarbon and a fragrance comprising one or more components selected from dihydromyrcenol, linalool, benzyl acetate, citronellol, linalyl acetate, alpha-methyl ionone and gamma undecalactone.

A pest control composition includes (i) from about 4 wt% to about 10 wt% of sodium lauryl sulfate; (ii) one or more C5 to C9 hydrotropic salt; (iii) from about 1 wt% to about 10 wt% of one or more active ingredients selected from the group consisting of corn mint oil, peppermint oil, spearmint oil, rosemary oil, thyme oil, citronella oil, clove oil, cedarwood oil, cinnamon oil, geranium oil, eugenol, 2-phenylethyl propionate, menthol, menthone, thymol, carvone, camphor, methyl salicylate, p-cymene, linalool, geraniol, cinnamyl acetate, cinnamic alcohol, cinnamaldehyde, citronellol, eucalyptol / 1,8- cineole, alpha-pinene, bornyl acetate, gamma-terpinene, and combinations thereof; (iv) from 1% to 5% by weight of a solvent, wherein the solvent is a C1-C4 alcohol, and (v) 60 wt% to about 95 wt % of water. The pest control composition exhibits a water peak in a H spectrum having a width encompassing 90% of the area of the entire water signal of about 50 Hz or more, as determined by the H NMR Method. A method of controlling one or more weeds by contacting the said weeds with the pest control composition.

A pest control composition includes from about 4 wt % to about 10 wt % of sodium lauryl sulfate; a C5 to C9 hydrotropic salt; from about 1 wt % to about 12 wt % of one or more active ingredients chosen from corn mint oil, peppermint oil, spearmint oil, rosemary oil, thyme oil, citronella oil, clove oil, cedarwood oil, cinnamon oil, geranium oil, eugenol, 2-phenylethyl propionate, menthol, menthone, thymol, carvone, camphor, methyl salicylate, p-cymene, linalool, geraniol, cinnamyl acetate, cinnamic alcohol, cinnamaldehyde, citronellol, eucalyptol / 1,8-cineole, alpha-pinene, bornyl acetate, gamma-terpinene, or combinations thereof; and from about 60 wt % to about 95 wt % of water. The ratio of hydrotropic salt to sodium lauryl sulfate of from about 0.15 to about 0.9. The pest control composition exhibits a receding contact angle of less than 21 degrees.

The application provides a method for promoting the survival of sapindus grafting, and relates to the technical field of sapindus grafting. The method mainly selects 2-year-old seedling of litchi as a stock, cuts the upper and lower ends to obtain sapindus branches as grafting branches, carries out fumigation treatment on the sapindus branches after precooling by using citronellol and 1,8-cineole, cuts the lower end of the fumigated grafting branches into a wedge shape, and then grafts the grafting branches onto the stock. The method overcomes the defects of the prior art, effectively promotes the survival rate of the grafted seedlings by treating the grafting branches, and comprehensively improves the growth efficiency of the subsequent grafted seedlings.

A process for the production of lubricants for cosmetic use is described. According to the present invention, waste oils of biological origin are transesterified with terpene alcohols. From an economic point of view, these waste oils are advantageously chosen from used cooking oils (UCO) and / or reclaimed used cooking oils (RUCO). Preferably, said terpene alcohols are chosen from the group consisting of menthol, geraniol, citronellol, nerolidol, linalool.

This invention provides a method for synthesizing nepetalactone, comprising the following steps: using citronellol as a raw material, an oxidant is added under organic solvent, auxiliary agent, catalyst, steric hindrance agent, and alkaline conditions to carry out an oxidation reaction to obtain product A; using product A as a raw material, using tetraacetonitrile copper(I) salt and ABNO as catalysts, and 4,4'-dimethoxy-2,2'-bipyridine as a ligand, an oxidation reaction is carried out under organic solvent, air, or oxygen conditions to obtain product B; product B undergoes a nucleophilic condensation reaction with N-methylaniline to obtain product C; product C undergoes a hydrolysis protection reaction to obtain product D; using product D as a raw material, an oxidation reaction is carried out under oxidant and organic solvent conditions to obtain nepetalactone. The synthesis method provided by this invention improves the yield of nepetalactone, makes the synthesis method more stable, and enables large-scale synthesis of nepetalactone; simultaneously, the oxidation reaction is carried out in air or oxygen, without the use of an oxidant, saving the cost of oxidants.

The application discloses a strain of Pseudomonas citronellolis and application of the strain in production of melanin, and belongs to the technical field of microbial engineering. Pseudomonas citronellolis ZY-01 GDMCC No:65662 and application thereof in preparation of melanin. The yield of the strain ZY-01 is increased by 20.69 times through design and optimization of a fermentation medium, the yield of melanin produced by shake flask fermentation can reach 54.315 g / L, and the melanin has good reproducibility and scalability. The extracted melanin is identified as natural melanin by ultraviolet-visible spectroscopy, infrared spectroscopy and solubility analysis, and does not contain protein and nucleic acid impurities. The Pseudomonas citronellolis of the application is a high-yield and high-quality strain meeting industrial production, and can be used for preparation of many products containing melanin, such as drugs, drug carriers, foods, cosmetics, melanin composite materials and the like.

The application discloses an antibacterial rubber material and a preparation method thereof and an antibacterial rubber yoga mat, and relates to the rubber processing technical field. In the preparation of the antibacterial rubber material, modified citronellol is grafted on ethylene-vinyl acetate copolymer to obtain antibacterial modified ethylene-vinyl acetate copolymer; antibacterial borate is grafted on the surface of calcium carbonate to obtain modified calcium carbonate; maleic anhydride is grafted on ethylene-vinyl acetate copolymer to obtain maleic anhydride modified ethylene-vinyl acetate copolymer; the antibacterial modified ethylene-vinyl acetate copolymer, butadiene styrene rubber, cis-butadiene rubber, ethylene-octene copolymer, maleic anhydride modified ethylene-vinyl acetate copolymer, modified calcium carbonate, dicumyl peroxide, azodicarbonamide stearic acid, zinc oxide and zinc stearate are mixed and milled, and then are molded and foamed to obtain the antibacterial rubber material. The antibacterial rubber material prepared by the application has excellent antibacterial, antiskid and rebound properties.

The invention belongs to the technical field of daily necessities, and provides a solid mosquito repellent product and a preparation method thereof. The solid mosquito repellent product comprises an essence base, a curing agent, an anti-cracking agent, a thickening agent, an emulsifying agent and a preservative, and the specific types and mass parts of all the components are limited. According to the invention, an essence base compounded by 2-undecanone and citronellal is adopted, and a sodium stearate-beeswax composite curing agent system and a carrageenan-xanthan gum double-thickening system are combined in a golden proportion, so that the volatilization rate is accurately regulated and controlled, and the mosquito repelling duration is as long as 15-60 days; through the synergistic effect of the emulsifier Tween 80 and the anti-cracking agent, nanoscale slow-release particles are formed, and uniform diffusion of mosquito-repelling components is ensured; an essence base compounded by citronellal, citronellol and peppermint oil can cover the slight grease flavor of 2-undecanone; the mosquito repelling effect is remarkable, the repelling rate of aedes albopictus reaches 98.2%, and the mosquito repellent is non-toxic, safe, pleasant in smell and free of skin irritation.

The present invention provides a method for utilizing pure essential oils from citronella to formulate mosquito repellent spray. Citronella contains citronellal, citronellol, and geraniol, that provide its aroma and mosquito-repellent ability. The method involved washing the citronella grass to remove impurities. Air dying extracting the raw materials at room temperature to remove moisture. The leaves are then subjected to leaching processes in which they are soaked in 500 mL of hexane overnight to ensure efficient and pure essential oil extraction. Recover the hexane through distillation using a Soxhlet apparatus, leaving behind the pure essential oil to achieve a natural, eco-friendly, cost-effective and sustainable mosquito-repellent spray.

To provide a low-alcohol beer-taste beverage excellent in beer-like flavor at the top and enhanced in complex taste derived from brewing.SOLUTION: A non-alcohol beer-taste beverage comprising an aroma composition comprising myrcene in an amount of 0. 0475ppb or more, β - ionone in an amount of 0. 000475ppb or more, linalool in an amount of 5. 8125ppb or more, citronellol in an amount of 0. 7025ppb or more, geraniol in an amount of 0. 115ppb or more, and α - eudesmol in an amount of 0. 09ppb or more.SELECTED DRAWING: None

The invention belongs to the technical field of microorganisms, and particularly relates to aroma-enhancing lactobacillus plantarum with high beta-glucosidase activity and application of the aroma-enhancing lactobacillus plantarum. The lactobacillus plantarum ES-25 is preserved in China General Microbiological Culture Collection Center (CGMCC) on July 24, 2023, the preservation number is CGMCC No.28003, the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing, the strain is separated from dry red wine which is subjected to spontaneous malic acid-lactic acid fermentation in a Xinjiang producing area, and the lactobacillus plantarum ES-25 has the advantages that the lactobacillus plantarum ES-25 has the advantages that the lactobacillus plantarum ES-25 can be used for producing the dry red wine which is subjected to spontaneous malic acid-lactic acid fermentation in the Xinjiang producing area; the strain is recognized as a safe strain which can be used for food. The lactobacillus plantarum can efficiently complete malic acid-lactic acid fermentation, has high beta-glucosidase activity, and can significantly increase the content of esters, aldehydes, ketones and terpenes aroma substances in wine in the fermentation stage; wherein the content of the linalool and the content of the citronellol are respectively increased by 77.34 times and 50.66 times compared with the wine which is not subjected to malic acid-lactic acid fermentation, so that the aroma sensory characteristics of the wine are optimized.

The invention discloses a geraniol or citronellol-containing bactericidal composition and application thereof, and belongs to the technical field of pesticide compounding. The active ingredients of the bactericidal composition provided by the invention consist of geraniol or citronellol (A) and kresoxim-methyl or thifluzamide (B), and the molar ratio of A to B is (5: 95)-(25: 75). An antibacterial activity evaluation experiment proves that the composition has a remarkable synergistic effect, namely a synergistic coefficient SRgt, on plant diseases caused by rhizoctonia solani and colletotrichum frutescens in a specific ratio; the control effect of the composition is obviously superior to that of a single component. According to the invention, the dosage of chemical bactericides can be effectively reduced, the development of drug resistance of pathogenic bacteria is delayed, and an efficient and low-risk green solution is provided for solving the important plant fungal diseases.

The present disclosure is directed to certain polyether esters of di- and tri-carboxylic acid, and methods of making and using the same, such as maleate, fumarate, itaconate, citraconate, mesaconate, citrate, and tartrate, esters of polycitronellol and other polyterpenols. Such products can be prepared from renewable resources and the functional groups can include a wide variety of unsubstituted, substituted, saturated, unsaturated, cyclic, and acyclic molecular structures.

A pest control composition having from about 4 wt% to about 10 wt% of sodium lauryl sulfate, one or more C5 to C9 hydrotropic salt, from about 1 wt% to about 10 wt% of an active ingredient selected from the group consisting of corn mint oil, peppermint oil, spearmint oil, rosemary oil, thyme oil, citronella oil, clove oil, cedarwood oil, cinnamon oil, geranium oil, eugenol, 2-phenylethyl propionate, menthol, menthone, thymol, carvone, camphor, methyl salicylate, p-cymene, linalool, geraniol, cinnamyl acetate, cinnamic alcohol, cinnamaldehyde, citronellol, eucalyptol / l,8-cineole, alpha-pinene, bomyl acetate, gamma-terpinene, and combinations thereof, and from about 60 wt% to about 95 wt% water. The pest control composition can exhibit a tan delta - 1 value at a frequency of 1Hz of from about 0.1 to about 2.