70 results about "Citronellol" patented technology

The invention discloses a photoresponse-essential oil synergistic antibacterial polymer and an application thereof in resisting multiple drug-resistant bacteria. Citronellol (CT) is subjected to an esterification reaction to prepare a CMA monomer, the CMA monomer and a glycidyl methacrylate (GMA) monomer are copolymerized to prepare a polymer PG9C2, and then TBO is introduced to obtain the antibacterial polymer PG9C2T1. The improvement of the antibacterial activity of the TBO is derived from the improvement of the fat solubility of the TBO, the enhancement of the interaction between the TBO and bacterial cells, the improvement of the accumulation of the TBO in the cells, the penetration of the TBO through cell membranes and the play of roles in the cells, the improvement of the utilization efficiency of ROS, and the sterilization by improving the water solubility of the essential oil through the mechanism of destroying bacterial membranes. According to the invention, high-efficiency and low-toxicity drug-resistant bacteria based on natural products are synthesized, the limitation of a single antibacterial mode is broken through, and technical support is provided for developing a novel low-drug-resistance antibacterial therapy.

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 technical field of biology, in particular to engineered yeast for high-yield citronellol as well as a preparation method and application of the engineered yeast. According to the invention, genetically engineered bacteria for high yield of citronellol are constructed by means of genetic engineering, SyBESc081300004 is taken as an original strain, Erg20ww, Erg8, tCrGES and CrIS are expressed in a peroxisome region in a room manner, and phosphopentose pathway genes TAL1 and TKL1 and endogenous transporter protein PDR1 are over-expressed, so that the genetically engineered bacteria are obtained; experimental results show that the shake flask fermentation yield of the genetically engineered bacterium reaches 3.38 g / L, the yield of a 100L fermentation tank reaches 10.556 g / L, and the yield of the genetically engineered bacterium is obviously higher than that of other existing citronellol production engineered bacterium.

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.

Fragrance compositions and methods for imparting to consumers fresh, caring and liking attributes are provided which include Amber Xtreme™ in combination with one or more synergistic fragrance ingredients including citronellol, damascenone, geraniol, helional. muscemor or ambrettolide.

The invention relates to the field of biological medicines, and particularly discloses a camptothecin derivative as well as a preparation method and application thereof. The structural general formula of the camptothecin derivative is # imgabs0, wherein the structural general formula of R is # imgabs1 # R1 is selected from one of CH3, (CH2) 4CH3, citronellol and piperonol; x is selected from one of S, S-S, Se, O, C and C-C; and n is 1 or 2. The camptothecin derivative disclosed by the invention has good in-vitro anti-tumor activity, and the problem that the application of the camptothecin body serving as an anti-cancer drug is limited due to relatively high toxicity is solved.

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.

To provide a beverage having a lemon-leaf-like aroma and enhanced flavor complexity.SOLUTION: Provided is a beverage comprising citronellol and at least one selected from a group consisting of nerol and geraniol, the beverage satisfying at least one of the following conditions: (1) the content of citronellol is more than 100 μg / L based on the total volume of the beverage, and the content of nerol is 1 μg / L or more based thereon, or the content of geraniol is 10 μg / L or more based thereon; (2) the content of nerol is more than 100 μg / L based on the total volume of the beverage, and the content of citronellol is 0.2 μg / L or more; and (3) the content of geraniol is more than 100 μg / L based on the total volume of the beverage, and the content of citronellol is 2 μg / L or more based thereon.SELECTED DRAWING: None

The invention relates to bacillus velezensis JT-14 with high yield of terpene flavor components as well as a screening method and application of the bacillus velezensis JT-14, and belongs to the technical field of microorganisms and fermentation. The preservation time of the bacillus velezensis JT-14 with high yield of terpene flavor components is June 26, 2025, the preservation unit is Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC 66597. The bacillus velezensis JT-14 screened by the invention has good safety, and can generate monoterpenoid substances (alpha-terpilenol, linalool, citronellol, carveol and the like) with flower fragrance, elecampane and faint scent and sesquiterpenoid substances (alpha-panaxene, cubene, elemol and gamma-apigene) with herbal fragrance in a substrate fermentation experiment. When the bacillus velezensis JT-14 is applied to tobacco leaf fermentation, the aroma of the aroma raw material obtained through fermentation can be integrally improved, and the aroma is softer.

The invention discloses a microbial composition for an inoculum for promoting anaerobic biodegradation of plastics, an accelerant, the inoculum and a preparation method of the inoculum, the microbial composition comprises citronellol pseudomonas, copper chloride pseudomonas and pseudomonas putida, and the colony count ratio of the citronellol pseudomonas to the copper chloride pseudomonas to the pseudomonas putida is 1: (1-3): (1-3). The composition is suspended in normal saline or normal saline containing 10% of glycerin to prepare a degradation accelerant, and after the degradation accelerant is inoculated to a standard inoculum and subjected to adaptive culture, the plastic anaerobic biodegradation period can be shortened. According to the method, the anaerobic biodegradation detection time of the anaerobic biodegradation plastic can be remarkably shortened, the detection cost is reduced, and the method has remarkable significance on a detection mechanism and a detection object inspection method.

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.

To provide an oral composition that contains an azulene compound while effectively inhibiting color change of the composition itself.SOLUTION: An oral composition comprising the following components (A) and (B): (A) one or two or more azulene compounds selected from azulene, azulene sulfonic acid and a salt thereof, and guaiazulene; and (B) one or two or more fragrance components selected from thymol, terpinolene, β-ionone, nerol, carvone, anisaldehyde, vanillin, cis-3-hexenone, menthyl lactate, benzyl alcohol, diethyl malonate, isopulegol, triethyl citrate, and citronellol.SELECTED DRAWING: None

The invention relates to a hydrogenation catalyst for citronellol preparation as well as a preparation method and application thereof. The hydrogenation catalyst comprises a carbon carrier and metal loaded on the carbon carrier, the preparation method of the carbon carrier comprises the following steps: mixing biomass, a pore-enlarging agent and water, and sequentially performing freeze drying and calcination to obtain the carbon carrier. The hydrogenation catalyst provided by the invention can be used for preparing citronellol, and can solve the problems that front distillate citronellal, geraniol, nerol and a mixture of citronellal, geraniol, nerol and citronellol generated by refining a crude product are difficult to treat, low in additional value, high in energy consumption and the like in a process for preparing geraniol from geranilal; and the hydrogenation catalyst has the advantages of high conversion rate, high citronellol selectivity, simple post-treatment, low cost and high safety coefficient.

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.

The present invention belongs to the field of biotechnology, and particularly relates to the application of citronellol as a virus production enhancer and a culture medium containing citronellol. The present invention unexpectedly discovers that adding a certain amount of citronellol to the culture medium for culturing FMDV can significantly increase the replication level of FMDV, indicating that citronellol has a significant effect of promoting the replication of FMDV and can be used as an enhancer for the production of foot-and-mouth disease vaccines and for the production of FMDV or vaccines; moreover, the present invention discovers that the combination of aspartate, thiolactic acid and citronellol further significantly promotes the replication level of FMDV and is used for the high-efficient production of FMDV or vaccines; based on this, the present invention also provides a culture medium for promoting the production of FMDV or vaccines.

The present invention addresses the problem of providing a composition capable of improving the odor of stearyl glycyrrhetinate. A composition for solving the problem of the present invention is characterized by containing the following component (A) and component (B): (A) stearyl glycyrrhetinate; (B) is selected from the group consisting of linalool, farnesol, anise alcohol, eugenol, citronellol, geraniol, linalyl acetate, alpha-terpineol, geranyl acetate, alpha-pinene, 1-hexenol (Hexen-1-ol), cedryl acetate, Iso E Super, sandalwood 210 (Sandalore), ambroxan (Ambroxan), and gamma-terpinene (Gamma-terpinene), and is selected from the group consisting of linalool, farnesol, anise alcohol, eugenol, eugenol, citronellol, geraniol, geraniol, 1-hexenol, cedryl acetate, alpha-terpineol, geranyl acetate, alpha-pinene, 1-hexenol, cedryl acetate, the component (A) contains at least one component selected from the group consisting of a component A, a component B and a component C, the component B contains at least one component selected from the group consisting of patchouli alcohol, cedrol, ethyl vanillin and maltol, and the content mass ratio of the component (A) to the component (B) is (A): (B) = 1: 0.0005-1: 0.2.

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 invention relates to the technical field of packaging materials, and discloses a food packaging film based on a high polymer material and a production method thereof, the packaging film is prepared by taking polypropylene as a base material and maleic anhydride grafted polypropylene, an ethylene-vinyl acetate copolymer, a modified antibacterial additive and the like as auxiliary materials through granulation and film blowing processes, the modified antibacterial additive is prepared by modifying the surfaces of mullite fibers with polyester type macromolecular substances, organic transition between the mullite fibers and a polypropylene matrix can be achieved through the organic macromolecular substances, the compatibility between the mullite fibers and the polypropylene matrix is effectively improved, then the stress transfer dispersion effect of the mullite fibers is efficiently utilized, and the antibacterial performance of the mullite fibers is improved. The mechanical strength and the temperature resistance of the packaging film are improved. In addition, rigid cyclopentane and citronellol contained in the polyester type macromolecular modifier structure can further improve the high temperature resistance and antibacterial effect of the packaging film.

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 invention provides an optimization method for hole transport layer interface modification and application thereof, and belongs to the technical field of solar cell materials. The selected modification materials comprise cinnamyl alcohol, citronellol, phenethyl alcohol and the like, and the materials have the characteristics of economy and environmental protection, can be dissolved in an alcohol solvent, and are suitable for large-area modification by adopting simple modes such as spraying and the like, so that low-cost and nondestructive treatment of the hole transport layer is realized. Through the modification materials, the surface characteristics of the hole transport layer can be effectively improved. Depending on the synergistic effect of polar and non-polar functional groups, a hinge effect can be generated between the hole transport layer and a perovskite precursor, so that the crystallization process of perovskite is regulated and controlled, interface contact is optimized, and the performance, stability and preparation repeatability of a device are improved. Meanwhile, by means of polarity difference of molecular functional groups, ordered molecular assembly is realized, and an interface electric field is constructed, so that carrier transport kinetics of an anode interface is regulated and controlled, and the performance of a device is enhanced.

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.