164 results about "Carvone" patented technology

The invention discloses a green synthesis method for high-content carvacrol capable of replacing natural oregano. The method comprises the steps of taking food-grade L-carvone as raw material, adopting organic acid or inorganic acid as a main catalyst, taking PEG-400 or PEG-600 as an auxiliary catalyst and preparing the high-content carvacrol through intramolecular rearrangement reaction. The method adopts one step to synthesize a target product, and has the advantages of mild reaction conditions and convenient operation. The product is high in yield and good in quality, and can replace natural carvacrol. As no solvent harmful to human body and environment is added in reaction, the method is safe and friendly to environment.

The present invention relates to a method for treating a disorder chosen from ocular Demodex, Demodex-induced blepharitis, rosacea, acne, and meibomian gland dysfunction in a patient in need thereof, comprising administering to the patient a composition comprising a therapeutically effective amount of a substance chosen from at least one of an isoprenoidal essential oil such as Tea Tree Oil; Terpinen-4-ol; (+)-Carvone; alpha-Terpineol; Cardinene; d-Carvone; l-Carvone; gamma-Terpinene; alpha-Terpinene; 1,8-Cineole; alpha-Terpineol; para-Cimene; alpha-Pinene; Limonene; (R)-(+)-Limonene; alpha-Thugene; Eucalyptol; (+)-Ledene; Cuminic Aldehyde; and Myrcene; the administration comprising contacting or scrubbing an affected area of skin or hair, or eyelid margin and lashes of the patient with the composition; also disclosed are a method for treating mange and mite infestations on a mammalian animal; and kits for in-office and at home treatments of the disorders.

Disclosed are oral care compositions effective to control mouth and breath malodour comprising in a pharmaceutically acceptable carrier, a combination of an antibacterial agent and a deodorizing or odor-neutralizing agent comprising a compound having the structure

wherein R¹, R², R³, and R⁵ may be identical or different, each representing H, a linear or branched C1-C6 alkyl or alkenyl, phenyl, —OH or —OR^a; R⁴ is —OH, —OR^a, phenyl, or a linear or branched C1-C6 alkyl or alkenyl; and R^a is phenyl or a linear or branched C1-C6 alkyl or alkenyl. The odor-neutralizing agent may further comprise one or more of an additional odor-neutralizing compound selected from α-damascenone, α-isomethylionone, α-ionone, β-ionone, pulegone, piperitone, carvone, coenzyme Q10 or cinnamaldehyde.

The antibacterial agent may comprise one or a mixture of a quaternary ammonium compound selected from cetylpyridinium chloride, tetradecylpyridinium chloride, N-tetradecyl-4-ethyl pyridinium chloride or domiphen bromide; metal ions such as stannous, zinc or copper; chlorhexidine; triclosan; triclosan monophosphate; or selected essential oils.

The invention provides an analgesic and refreshing herbal composition useful as dentrifrices, said composition comprising 50-60% Wt. of betle extract (from Piper betle leaves); 40-50% Wt. of one or more group I essential oil selected from Levender officinal, Dementholised oil (ex-Mentha arvensis), Fennel oil and Ocimum gratissimum; 3.5-6% Wt. of one or more group II essential oils and their isolates selected from Ocimum Sanctum, Pulegone (ex Mentha pulegonium), Carvone (ex. Dill seed) and Menthol (ex. Mentha arvensis); 1-5% Wt. of one or more group III essential oils selected from Camphor, turpentine oil, Cedarwood oil and Safrole oil, along with 0.5-2% Wt. of Thymol and 0.25-1% Wt. of preservative/antioxidant, and a process for preparing the composition.

A tobacco odor deodorant contains the components of at least two component groups selected from five component of (I) octanal, nonanal and/or decanal, (II) linalool, (III) carvone, (IV) methyl anthranilate and/or N-methyl anthranilate, and (V) sinensal and/or orange peel essential oil sinensal fraction.

The invention relates to a deodorant based on a plant essence extracting solution and a preparation method of the deodorant. The deodorant is prepared from raw material as follows: laurate, tea polyphenol, rhodinol, citronellol, pinene, linalool, terpinenol, limonene, eudesmol, L(-)-camphor, menthol, terpinen-4-ol, terpilenol, carvone, isobornyl acetate, cedrene, thujopsene, cuparene, cedrol and purified water. With the adoption of a supercritical CO2 extraction technology, effective constituents are extracted from plants including Moroccan laurel, Australian tea trees, pelargonium graveolens,lavender, sabina pingii, mint, pine needle, cinnamomum camphora, eucalyptus, myristica fragrans, dill seeds and the like, the purity of the extracting solution is high, and organic solvent residues in a traditional process are avoided; the pure plant essence extracting solution is adopted, so that the deodorant is harmless to a human body and pollution-free for the environment, and no secondary pollution is produced. The deodorant has a more thorough effect, can remarkably remove formaldehyde, ammonia, methyl mercaptan, trimethylamine, hydrogen sulfide, benzene, TVOC and odorous hydrocarbon gas, and can also inhibit common escherichia coli and staphylococcus aureus.

A flavour composition comprises at least 0.5% by weight of one or more of the following group A materials: cinnamic aldehyde, basil oil, tarragon, cis-3-hexenyl acetate, cis-3hexenol, orange oil, lime, citral, and damascone; and at least 3% by weight of one or more of the following group B materials: anethole synthetic, alcohol C10, eucalyptol, methyl salicylate, clove bud oil, carvone laevo, benzyl benzoate, thymol, benzaldehyde, benzyl formate, ethyl salicylate, eucalyptus oil, ionone alpha, iso amyl acetate, rosemary oil, cardamom oil, ginger, eugenol, camomile oil, spearmint, and peppermint. These materials have been identified as being capable of inhibiting the growth of Porphyromonas gingivalis or the protease (arg-gingipain) activity of Porphyromonas gingivalis, and so to possess hitherto unappreciated antimicrobial properties. The invention thus enables compositions to be defined comprising flavour materials that enhance the antimicrobial efficacy of known antimicrobial agents against micro-organisms or metabolic processes associated with gum diseases. The invention also provides a consumer product, particularly an oral or dental care product, including such a flavour composition; a method for reducing or preventing gum disease; and use of the flavour compositions for reducing or preventing gum disease.

The invention discloses a perfume synthesis method in the technical field of chemical industry, in particular relates to a method for synthesizing carvone by taking epoxy limonene as a raw material. The method comprises the following steps of: taking the epoxy limonene, zinc caprylate and 2-aminophenol as raw materials; performing an isomerization reaction on the epoxy limonene under the action of a catalyst to obtain carveol; and oxidizing the carveol to obtain the carvone. The method has the advantages of economic and environmental-friendly synthesis technology, no production of sewage, capability of avoiding the production of a large amount of waste water which has high organic matter content and is difficult for biodegradation and oxygenolysis in the conventional process, capability of recycling the catalyst, simple and readily available raw materials, short reaction time, high conversion rate, high selectivity and suitability for industrial production.

The purpose of the present invention is to provide antiseptic disinfectant, and cosmetics and toiletries, medicine or food containing the same, which enhance the antibacterial activity that 1,2-alkanediol originally have against a broad range of strains by compounding 1,2-alkanediol with 5-10 carbons and a certain fragrance component. The present invention relates to an antiseptic disinfectant, and cosmetics and toiletries, medicine or food containing the same, which include 1,2-alkanediol with 5-10 carbons, and one or more materials selected from a group of citral, geraniol, nerol, perillaldehyde, α-terpineol, dodecanol and L-carvone.

Control of bed bugs by bringing the bed bugs into contact with a bed bug control formulation containing at least one of carvone, linalool, styralyl alcohol, dihydrocarvone, tetrahydrocarvone, and mixtures thereof and method for achieving such control.

The invention discloses a fresh mint smoke fluid of an electronic cigarette. The smoke fluid contains Asian dementholized peppermint oil, menthol, menthyl acetate, carvone, sweet orange oil, eucalyptus oil, anise camphor, maltol, N,2,3-trimethyl-2-isopropyl butyrylamide, and propylene glycol. The invention also provides a preparation method for the fresh mint smoke fluid of an electronic cigarette. The method comprises blending raw materials of the Asian dementholized peppermint oil, menthol, menthyl acetate, carvone, sweet orange oil, eucalyptus oil, anise camphor, maltol, N,2,3-trimethyl-2-isopropyl butyrylamide, and propylene glycol according to formula proportion, to obtain the fresh mint smoke fluid of an electronic cigarette, the fresh mint smoke fluid being rich in fragrance, and natural and vivid. The fresh mint smoke fluid of an electronic cigarette has good mint fragrance and cool and refreshing taste, and can satisfy requirement of customers to smoke minty electronic cigarettes.

The invention discloses a Dendrobium officinale Kimura et Migo-tea-vinegar beverage. The beverage comprises Dendrobium officinale Kimura et Migo fresh strips, Baimao tea, the root bark of the peony tree, pseudo-ginseng, herba eupatorii, divaricate saposhnikovia root, semen plantaginis, mint, fructus forsythia, root bark of white mulberry, rhizoma anemarrhenae, sweet osmanthus, malt vinegar, polyacryl pyrrolidone, hydroxypropyl methylcellulose sodium, potassium polyacrylate , sodium alginate, an American DuPont EEA2112AC compatilizer, a food-grade antioxidant potassium erythorbate, xanthan gum, carthamin yellow, nisin, maltose, starch sugar, acesulfame potassium, xylitol, vitamin E, vitamin K, vitamin PP, alanine, glutamic acid, aspartic acid, glycine, iron element, selenium element, cobalt element, zinc element, propyl-furfuryl fumarate, guanosine-5'-monophosphate disodium salt, glycine, carvone, dihydrojasmone, isoamyl acetate and 2-hexenol. The beverage can effectively treat or relieve halitosis symptoms.

The invention discloses a method for preparing carvone. In the method, carvoxime is oxidized by being heated under refluxing in the presence of activated or newly prepared manganese dioxide to form an oxidation product which is the carvone.

The invention relates to plant pesticide for controlling longhorn beetle and a use method thereof; the plant pesticide for controlling longhorn beetle comprises allyl isothiocyanate and carvone, wherein according to the volume ratio of raw materials, the allyl isothiocyanate is 90 portions to 99 portions and the carvone is 1 portion to 10 portions. According to the plant pesticide for controlling longhorn beetle and the use method thereof, the longhorn beetle control effect is above 97 percent, and the control effect is very ideal.

The invention relates to a tobacco essence capable of improving cigarette taste and fragrance, and relates to an application of the tobacco essence in cigarette. The tobacco essence mainly contains propylene glycol, a Chinese date extract, a salvia extract, a rosa laevigata extract, rhodinol, guaiacol, carvone, methyl linoleate and alpha-pinene. By using the tobacco essence provided by the invention, the smoke has the effects of being exquisite, soft, clean in aftertaste, less in irritation and moistening, and the tobacco quality is improved.

The invention provides a method for synthesizing carvacrol by limo nene epoxides. The method comprises the following steps: step 1, under the action of a Lewis acid catalyst A, limo nene epoxide is heated up for open-loop rearrangement reaction to produce isodihydrocarvone, after reaction, white oil is added into the reaction liquid, vacuum distillation is conducted to obtain an isodihydrocarvone end product, and the catalyst A remains in the residue; step 2, isodihydrocarvone prepared in the step 1 and a catalyst B are dissolved in a solvent, the solvent is heated up for dehydrogenation oxidation to produce carvacrol, the reaction process is monitored by gas chromatography, when the content of isodihydrocarvone is 30-40%, the reaction is terminated, the catalyst B is filtered and separated out, vacuum distillation is performed on the filtrate, isodihydrocarvone and the solvent which are not subjected to reaction are reclaimed, and distillation is further conducted to obtain a carvacrol end product. The raw material is low in price and easily accessible, the synthesis process is environment-friendly, the catalysts can be recycled, and the method provided by the invention is suitable for industrial production.

Water-based essence having lemon fragrance is disclosed. The essence includes, by mass, 25-30 parts of aldehyde-removed ethanol, 20-25 parts of lime oil, 2-3 parts of linalool, 0.1-1 part of bornyl acetate, 3-4 parts of terpineol, 4-5 parts of L-carvone, 3-4 parts of geranyl acetate, 1-2 parts of longifolyl acetate, and 35-40 parts of propylene glycol. The essence has refreshing and pleasant lemon fragrance, the fragrance is refreshing and pleasant and long in duration time, and the essence can be dissolved into water and can remove smell of hot pot during cloth washing.

A floral fragrance composition for use as a replacement for 3-(4-tertbutylphenyl)-2-methylpropanal (LILIAL®) that is a primary perfuming ingredient composition that includes a first perfuming ingredient of (2,5-dimethyl-2,3-dihydro-IH-inden-2-yl) methanol (LILYFLORE®) in an amount of 5 to 25% by weight; a second perfuming ingredient of a dimethyl-5-indanyl propanal compound in an amount of 0.2 to 10% by weight; and one or more secondary perfuming ingredients including at least one of 3-methyl-5-phenylpentanal, decanal, octanal, cuminic aldehyde, cuminic alcohol, carvone, tetrahydro-2-isobutyl-4-methyl-4(2H)-pyranol, or cis-7-P-menthanol.

The invention discloses a method for manufacturing carvacrol by carvone composite foot oil. The method comprises the steps of enabling sodium hydrogen sulfite and carvone of the composite foot oil to be subjected to an additive reaction, generating water-soluble alpha-hydroxy sodium sulfonate, separating insoluble organic impurities, then heating the alpha-hydroxy sodium sulfonate together with alkali, hydrolyzing the alpha-hydroxy sodium sulfonate and the alkali to be the carvone, isomerizing and rectifying the carvone, and obtaining the carvacrol. The alkali is sodium hydroxide. The method for manufacturing the carvacrol by the carvone composite foot oil has the advantages of being temperate in reaction condition, convenient to operate and prone to industrialization. Waste water generated in various steps of the reaction is neutral. A sulfuric acid solution can be repeatedly used. A recovery rate of the carvone of the composite foot oil is more than 80 percent. The manufactured carvacrol is more than 9.5 percent in content and product quality indexes are higher than the perfume grade standard.

A process for the preparation of carvone comprises hydrogenating carvoxime in the presence of a selecively poisoned catalyst. Preferred catalysts include noble metals supported on inorganic materials poisoned with a catalyst modifier. In a preferred embodiment of the process defined herein, the crude carvone reaction product produced in accordance with the process of the invention, is purified by treating the crude carvone product with an organometallic compound M(X)n wherein M is a polyvalent metal, n is the valence of M and X denotes an inorganic or organic atom or group.

The invention discloses a method for recycling a solvent, namely isopropanol, during production of carvone. The method comprises the following steps: respectively adding a salt extracting agent and an isopropanol water solution obtained by distillation and separation during the production of the carvone into a rectifying tower under normal pressure so as to get isopropanol with the water content of not more than 5% at the top of the tower, and enabling a water-salt-solvent mixture obtained in a tower kettle to enter into a regeneration tower for recycling and reutilization, wherein the flow ratio of the isopropanol solution to the salt extracting agent solution is 1:(2-5), the temperature at the top of the tower is 80-85 DEG C, the temperature in a tower kettle is 130-135 DEG C, the salt extracting agent is a mixture of carboxylate and the organic polar solvent, and the percentage by weight of the salt in the salt extracting agent is 15-35%.