59 results about "Carvone" 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.

This invention provides a broad-spectrum antibacterial natural active ingredient nanoemulsion, its preparation method, and its application, relating to the field of food preservation technology. The preparation method of the broad-spectrum antibacterial natural active ingredient nanoemulsion provided by this invention includes the following steps: mixing soy protein isolate and citrate buffer to obtain an aqueous phase solution; mixing thymol, eugenol, ginger essential oil, spearmint oil, and soybean oil to obtain an oil phase solution; mixing the aqueous and oil phase solutions and performing shearing treatment to obtain a crude emulsion; and subjecting the crude emulsion to ultrasonic disruption to obtain the broad-spectrum antibacterial natural active ingredient nanoemulsion. This invention can improve the stability and water solubility of active ingredients such as eugenol, thymol, carvone, limonene, and α-soybeanene, improve their antibacterial properties, and effectively extend the shelf life of refrigerated prepared meat products.

The invention discloses an L-carvone hydrazone derivative and an application thereof. The L-carvone hydrazone derivative disclosed by the invention has the advantages of low raw material cost, simple and convenient synthesis route and the like, and the obtained L-carvone hydrazone product has an excellent bacteriostatic effect on rhizoctonia solani, botrytis cinerea, sclerotinia sclerotiorum, fusarium graminearum, valsa mali and phytophthora capsici, and can be used for preventing and treating various plant fungal diseases.

The invention discloses a guaiane type sesquiterpene lactone quasi-natural product as well as a preparation method and application of the guaiane type sesquiterpene lactone quasi-natural product. The quasi-natural product and the derivative thereof are prepared by taking (R)-Carvone as an initial raw material through a chemical synthesis method. Experiments show that the guaiane type sesquiterpene lactone compound prepared by the invention has the effect of inhibiting red blood cell hemolysis, can be used as a candidate drug molecule for preventing and / or treating NLRP3 inflammasome related diseases, and has the potential of being developed into related anti-inflammatory drugs.

The application discloses a preparation method and application of a pomelo tobacco extract. The preparation method comprises the following steps: mixing and dissolving neoxanthin and Tween 80 in dichloromethane, adding anhydrous ethanol after vacuum distillation; grinding tobacco leaves into tobacco powder, mixing the tobacco powder with water to sterilize, and adding a neoxanthin solution; inoculating klebsiella variicola HNYJ-3 and enterobacter HNYJ-4 in a liquid culture medium to culture seed liquids, mixing the two kinds of seed liquids to inoculate in a tobacco and neoxanthin mixed solution, and carrying out oscillation culture and fermentation; carrying out centrifugal extraction after fermentation, rotary evaporation, adding anhydrous ethanol and propylene glycol, and obtaining the pomelo tobacco extract. The application utilizes two strains to ferment a neoxanthin and tobacco mixture to generate aroma components such as naringanin, alpha-lavandulol, perillaketone, carvone and dihydrocarveol, and the pomelo tobacco extract can be applied to cigarette products to improve smoke aroma quality, aroma amount, reduce miscellaneous gas and improve smoke transmittance.

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 discloses a 1, 10-split ring type guaiane sesquiterpene lactone quasi-natural product as well as a preparation method and application of the 1, 10-split ring type guaiane sesquiterpene lactone quasi-natural product. The quasi-natural product and the derivative thereof are prepared by taking (R)-Carvone as a raw material through a chemical synthesis method. Experiments show that the 1, 10-split ring type guaiane sesquiterpene lactone compound prepared by the invention has the effect of inhibiting red blood cell hemolysis, can be used as a candidate drug molecule for preventing and / or treating NLRP3 inflammasome related diseases, and has the potential of being developed into related anti-inflammatory drugs.

The application discloses a method for synthesizing L-carvone from catalytic oxidation of D-limonene, which comprises the following steps: S1, catalyst preparation: uniformly mixing citric acid, an organic solvent and a metal compound, and evaporating the mixture to dryness to obtain a powdery solid; mixing the powdery solid with silicon dioxide, and calcining the mixture at a high temperature to obtain a silicon dioxide-supported catalyst; S2, oxidation: adding D-limonene and the silicon dioxide-supported catalyst into a second organic solvent, heating to reflux, and dropwise adding t-butyl hydroperoxide to react, so as to obtain L-carvone product. The selectivity of L-carvone is up to 52.0%, the purity of L-carvone is greater than or equal to 97% (mass), the mass is 7.2 g, and the reaction yield is 46.5%.

The invention belongs to the technical field of medicines, and particularly relates to an analogue of a cysteine zymogen activator (a PAC-1 analogue containing a carvone structure) and application of the analogue in cancer treatment. The invention relates to an analogue of a cysteaspase-3 activator, which is a PAC-1 analogue containing a carvone structure as shown in a formula I. The PAC-1 analogue disclosed by the invention is obtained by retaining structures such as piperazine ring and hydrazide, introducing a monoterpenoid carvone and carrying out structural modification on benzene rings on two sides, and a novel procaspase-3 activator is developed. The derivatives have stronger physiological activity. Pharmacological tests prove that the PAC-1 analogue can inhibit proliferation of various tumor cells and has good anti-cancer activity, and the preparation method of the PAC-1 analogue is simple, feasible and easy to operate.

The present disclosure relates to the field of flavor or perfumery. More particularly, it concerns a liquid composition comprising a compound of formula (I), an oil comprising carvone, and optionally, a solvent. The present disclosure further relates to the use of the said composition in consumer products, such as flavored products and body care products.

The invention discloses eugenol and carvone compounded plant essential oil bactericide and application thereof. Eugenol and carvone are compounded to play a synergistic effect, so that the growth and development inhibition effect on botrytis cinerea is greatly enhanced, and the prevention and treatment effect of the essential oil on botrytis cinerea is remarkably improved; meanwhile, the quality guarantee of the tomato fruits is enhanced, the storage period of the tomato fruits can be prolonged, and the sugar degree of the fruits is promoted to be improved. And compared with the single use of the eugenol and carvone, the compound of the eugenol and carvone has the advantage that the application cost of the essential oil is obviously reduced. Therefore, the compound plant essential oil bactericide disclosed by the invention has a wide application prospect.

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 belongs to the technical field of daily chemical and food additive essences, and particularly discloses a multi-element composite mint essence, which is composed of the following components in percentage by weight: 4.5%-10.5% of dementholized peppermint oil, 2%-5.4% of Xinnaojin, 2%-4.6% of L-menthol, 1%-2.3% of menthone, 4%-8.5% of menthyl acetate, 1.4%-3% of limonene, 1.3%-3% of octanol-3, 0.45%-1.5% of carvone, 0.4%-1.4% of beta-caryophyllene, 0.22%-0.69% of nonanal, and the balance of water. The composition is prepared from the following components in percentage by weight: 0.22%-0.69% of dihydrocarvone, 1.5%-3.8% of leaf alcohol isovalerate, 1%-2.3% of isobornyl acetate, 0.45%-1.3% of phenethyl alcohol, 1%-2.3% of ethyl lactate, 2.7%-5.7% of ethyl acetate and the balance of propylene glycol. The peppermint essence obtained by the invention integrates multiple flavors and presents the unique charm of Asian peppermint so as to meet the diversified requirements of the market. The invention is suitable for wide application scenarios, such as seasonings, perfumes, cosmetics and personal care products.

The invention relates to a strain for positioning biosynthesis of (-)-carvone by using saccharomyces cerevisiae and peroxisome and application of the strain, and relates to the technical field of biology. The strain is prepared by the following steps: (1) carrying out fusion expression on GPP synthetase (ERG20WW) and (-)-limonene synthetase (MsLimS), and co-expressing NPP enzyme (SlNDPS1); (2) performing fusion expression on CYP71D18 and ATR2, and performing overexpression on an ISPD gene; and (3) the enzyme is localized and expressed on peroxisome, and a peroxisome localized synthesized (-)-carvone strain is constructed. The strain provided by the invention not only realizes biosynthesis of carvone in saccharomyces cerevisiae, but also greatly improves the fermentation yield of (-)-carvone and intermediate products (-)-limonene and (-)-carvol thereof through a peroxisome isolation effect, so that a foundation is laid for industrial production of synthesis of carvone by a fermentation method.

The invention provides a natural rubber latex ammonia-free preservative for baby nipples as well as a preparation method and application of the natural rubber latex ammonia-free preservative. The natural rubber latex ammonia-free preservative is prepared from alkaline electrolyzed water, chitosan, sodium diacetate, nisin, organic acid salt, natural antibacterial essential oil microcapsules, a plant polyphenol extract and deionized water. The organic acid salt is a compound of zinc citrate, sodium succinate and sodium alginate; the capsule core of the natural bacteriostatic essential oil microcapsule is a compound of thymol and carvone, and the capsule wall of the natural bacteriostatic essential oil microcapsule is a beta-cyclodextrin-Arabic gum copolymer. The preparation method comprises the steps of premixing dispersion, ion balance treatment, bioactive component delivery, microcapsule controlled release integration and curing stabilization, wherein a high-frequency alternating electric field is applied during pulse injection. The turbidity of the preservative is smaller than or equal to 2.5 NTU, the total number of bacterial colonies is smaller than or equal to 10 CFU / mL, the latex preservation time can be prolonged, and baby nipples prepared from the preservative are low in water-soluble protein content, high in tear strength, free of peculiar smell and suitable for production of the baby nipples.

The present disclosure relates to the field of flavor or fragrance. More specifically, it relates to a liquid composition comprising a compound of formula (I), an oil containing carvyl ketone and optionally a solvent. The present disclosure also relates to the use of said composition in consumer products such as flavored products and body care products.

The invention provides a preparation method of carvacrol, which breaks the inherent route of preparing carvacrol from limonene and then preparing carvacrol from carvacrol in the traditional preparation method, and comprises the following steps: nitrating p-cymene to obtain an intermediate 1, and reacting the intermediate 1 with a reducing reagent to obtain an intermediate 2. And finally, carrying out diazotization hydrolysis reaction on the intermediate 2 in a two-phase system of water and an organic phase to obtain carvacrol. The preparation method does not need a process of preparing carvone under harsh conditions, does not need to be carried out at high temperature and high pressure, does not need an expensive catalyst, and is high in yield, high in product purity, simple in step and suitable for industrial production.

[Problem] An objective of the present disclosure is to provide a detergent composition that comprises l-carvone and a quaternary ammonium salt and is capable of suppressing discoloration that occurs over time. [Solution] The detergent composition of the present disclosure is characterized by comprising l-carvone, a quaternary ammonium salt, and a phosphonic acid chelating agent.

The present invention provides a method for identifying the base of Chinese medicine Evodia rutaecarpa based on GC-IMS characteristic odor substances: the sample is subjected to headspace GC-IMS detection, and when the peak volume ratio of 2(E)-hexenoic acid, dimethyl disulfide, 3-methylthiopropanol and methyl 2-methoxybenzoate is 1:(1.4-2.0):(1.4-2.4):(1.7-2.6), it is Evodia rutaecarpa; when its ratio is 1:(0.4-0.9):(0.6-1.0):(0.6-1.2), it is sparse hair Evodia rutaecarpa or stone tiger; then, when the peak volume ratio of cyclopentanone and left-rotating carvone is 5.3-5.7, it is sparse hair Evodia rutaecarpa; when the ratio is 6.2-7.6, it is stone tiger. The method of the present invention is fast, non-destructive, does not require complex sample pre-treatment, is simple, environmentally friendly, has low detection cost, and has intuitive results. It is suitable for quickly, objectively and accurately judging the base of Chinese medicine Evodia rutaecarpa in batches.

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.

The invention belongs to the technical field of pesticides, and particularly relates to a biopesticide for preventing and treating mango anthracnose. The invention relates to a biopesticide. Active ingredients of the biopesticide are formed by compounding cytosinpeptidamycin and eugenol or L-carvone. According to the biopesticide disclosed by the invention, the compound combination of cytosinpeptidamycin and eugenol or L-carvone is taken as an active ingredient, and a hypha growth rate method is adopted to find that the compound combination can generate a synergistic effect in a verified compounding proportion, so that the control effect on mango anthracnose can be improved, and meanwhile, the use dosage of the pesticide can be reduced.

This disclosure relates to the field of flavors or cosmetics. More specifically, the present invention relates to liquid compositions comprising a compound of formula (I) and / or a compound of formula (II), a carvone-containing oil, and optionally a solvent. The disclosure further relates to the use of such compositions in consumer products such as flavored products and body care products.

The invention relates to a genetically engineered bacterium for producing (-)-limonene, (-)-carvol and (-)-carvone and application of the genetically engineered bacterium. According to the method, endogenous ATP-citrate lyase genes ACL and CarYB genes are knocked out, endogenous mevalonic acid pathway key genes HMGR, ACCT and IDI are overexpressed, a mevalonic acid kinase gene MmMK sourced from methanosarcina martensii and mevalonic acid pathway key genes EfMvaS and EfMvaE sourced from enterococcus faecalis are introduced, and the (-)-limonene, (-)-carvol and (-)-carvone are synthesized into the genetically engineered strain. The method is realized in a platform strain for regulating and controlling the balance of the cofactor NADPHP. And the yield of the (-)-limonene in a bioreactor of 500-mL reaches 608.5 mg / L. The yield of the (-)-carveol reaches 667.6 mg / L when the (-)-carveol is fermented in a 500-mL bioreactor. The fermentation yield of the recombinant strain for producing the (-)-carvone in a 500-mL bioreactor reaches 67.1 mg / L.

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.

The present disclosure relates to the field of flavour or perfume industry. The present invention relates to a liquid composition and, more specifically, to a liquid composition comprising a compound of formula (I) and / or a compound of formula (II), an oil comprising carvone and optionally a solvent. The present disclosure also relates to the use of said compositions in consumer products, such as flavored products and body care products.

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 invention discloses a water-soluble minty essence, a buccal product, an atomization matrix and an electronic atomization device. The water-soluble minty essence is prepared from the following components in parts by mass: 26.1 to 42.3 parts of a characteristic aroma substance, 0.06 to 0.1 part of a flower aroma substance, 0.1 to 0.3 part of a green sesame aroma substance, 0.9 to 1.5 parts of a fruit aroma substance, 14 to 16 parts of a cooling factor, 0.9 to 1.8 parts of a fresh factor and 0.01 to 0.03 part of a softening factor. Wherein the characteristic aroma substances comprise at least one of the following substances: L-menthone, menthyl acetate, cineole and L-carvone. The water-soluble mint-flavored essence disclosed by the invention is high in flavor reduction degree, easy to prepare and relatively good in water solubility.

This invention provides a novel technology that can suppress off-flavors and irritating aftertastes in mint-flavored beverages containing carvone. [Solution] A mint-flavored beverage containing carvone and furfural, wherein the furfural content is 0.1 ppb or more, and the ratio of the furfural content (B)(ppb) to the carvone content (A)(ppb) (B) / (A) is greater than 0 and 5.0 or less. The carvone content can be 0.1 ppm or more.

The invention belongs to the technical field of prevention and treatment of corn gray leaf spot, and particularly relates to a bactericidal composition for preventing and treating corn gray leaf spot. The invention relates to a sterilization composition. The effective components of the sterilization composition are formed by compounding L-carvone and flutriafol or 1-(2-hydroxyphenyl)-1-(1-hydroxyphenyl)-1-(1-hydroxyphenyl)-1-(1-hydroxyphenyl The L-carvone and the existing bactericide are compounded and screened, and when the L-carvone is compounded with flutriafol or 1-(2-hydroxyphenyl)-1-(1-hydroxyphenyl)-1-(1-hydroxyphenyl)-1-(1-hydroxyphenyl)-1-(1-hydroxyphenyl)-1-(1-hydroxyphenyl)-1-(1-hydroxyphenyl)-1-(1-hydroxyphenyl)-1-(1-hydroxyphenyl)-1-(1-hydroxyphenyl)-1-(1-hydroxyphenyl)-1-(1-

The invention discloses a preparation method and application of a pomelo-flavor tobacco extract, and the preparation method of the pomelo-flavor tobacco extract comprises the following steps: mixing and dissolving neoxanthine and Tween 80 in dichloromethane, and adding absolute ethyl alcohol after reduced pressure distillation; grinding tobacco leaves into tobacco powder, mixing the tobacco powder with water for sterilization, and adding a neoxanthine solution; klebsiella variicola HNYJ-3 and enterobacter HNYJ-4 are inoculated into a liquid culture medium to culture seed solutions, the two seed solutions are mixed and inoculated into a mixed solution of tobacco and neoxanthine, and shaking culture fermentation is performed; after fermentation, centrifugal extraction and rotary evaporation are performed, absolute ethyl alcohol and propylene glycol are added, and the pomelo-flavor tobacco extract is obtained. The two strains are used for fermenting a mixture of neoxanthine and tobacco to generate noottanone, alpha-truffle alcohol, perillone, carvone, dihydrocarvone and other aroma components, and when the two strains are applied to cigarette products, the aroma quality and the aroma amount of smoke can be improved, miscellaneous gas is reduced, and the permeability is improved.