209 results about "Menthyl lactate" patented technology

Certain applicator liquids and application techniques are described, which can be used to form nanotube films or fabrics of controlled properties. An applicator liquid for preparation of a nanotube film or fabric includes a controlled concentration of nanotubes dispersed in ethyl lactate. The controlled concentration is sufficient to form a nanotube fabric or film of preselected density and uniformity.

Disclosed here is a composition containing menthol and menthyl lactate, and its preparation method and its applications as a cooling agent and a flavoring agent. The present invention provides a composition characterized in that it comprises menthol and menthyl lactate in a ratio by weight in the range of 1:4~4:1 and the corresponding crystallization point is below room temperature of 25° C. Such composition has the advantages of being liquid at room temperature; easy to use as a cooling agent or a flavoring agent; no need to use heat to melt menthol and menthyl lactate, which not only saves time, money and heating equipment, but also simplifies manufacturing process and can be used in cold processes at room temperature. The composition can be used as a cooling and/or flavoring agent and/or a fragrance ingredient in toothpaste, mouthwash, fragrance, cleansers, shaving cream, after shave products; shampoo, deodorant, antiperspirant, bath products, drinks, confectionary products, tobacco, pharmaceutical, foods, flavoring and fragrance products.

The invention relates to essence, in particular to flavoring essence for tobacco. The flavoring essence is formed by mixing the following raw material components in percentage by weight: 5 to 7 percent of centipeda minima extract, 5 to 7 percent of flos sophorae extract, 2 to 4 percent of rehmannia root extract, 2 to 4 percent of fig extract, 8 to 10 percent of Chinese jujube extract, 1 to 3 percent of menthyl lactate, 6 to 8 percent of apricot extract, 5 to 7 percent of fenugreek extract, 8 to 10 percent of radix stemonae extract, 6 to 8 percent of shaddock peel extract, and 28 to 50 percent of pomegranate rind extract propylene glycol water solution. The flavoring essence for the tobacco overcomes the defects that the prior cigarette has burr feeling at the throat and astringent feeling at the oral cavity, and has quite obvious effect of improving the comfort of the cigarette. The flavoring essence improves aroma quality, increases aroma volume, enriches tobacco fragrance, covers impurity smell, reduces throat stimulation, increases mellow feeling, improves the astringent feeling of the oral cavity, and improves the comfort of the oral cavity.

A simple, high-yield process for making menthyl lactate (ML) is disclosed. Menthol and lactic acid react to produce a mixture comprising menthyl lactate and one or more higher lactoyl esters of ML. Hydrolysis of the esterification mixture follows in the presence of aqueous base under conditions effective to convert the higher lactoyl esters to menthyl lactate. Coincidentally, the conditions minimize hydrolysis of menthyl lactate to menthol, thereby maximizing the overall yield of ML.

The invention discloses cool peppermint essence for a menthol cigarette ice blast and a preparation method and application of the essence. The cool peppermint essence is prepared from, by mass, 1%-8% of menthol, 1%-10% of menthyl lactate, 1%-5% of menthyl acetate, 0.2%-0.5% of cooling agent and the balance grease solvent. According to the cool peppermint essence for the menthol cigarette ice blast and the preparation method and application of the essence, when the ice blast is pinched broken, natural peppermint fragrance and cooling feeling can be brought to a cigarette without herb flavor and irritation of menthol, the ice blast can be well integrated with the cigarette, the cigarette smoking comfort is effectively improved, and the smoking quality of the cigarette is improved.

The invention relates to an elasticizer for improving the cigarette quality and relative production, wherein it is formed by glycerin triacetate and modifier; said modifier can be cigarette extractive, natural essence and composite essence while there is 0.5-2 modifier in each 100 glycerin triacetate; the cigarette extractive is neat oil of honghe cigarette, etc; the natural essence is bean-pod extractive, tomato extractive, etc; the composite essence is trione, clary sage, etc.

The invention discloses an emulsion composition which comprises a cold sensitizer, a heat sensitizer and water, wherein the mass ratio of the cold sensitizer to the heat sensitizer is 1:0.01-100; the cold sensitizer comprises at least one of piperitol, menthyl lactate, hexa-carbon cyclic amide derivative, non-carbon cyclic amide derivative, mint raw oil, mint oil, mint essence, mint leaf extract, water-soluble menthol and water-soluble mint oil; and the heat sensitizer comprises at least one of vanillyl butyl ether, citronellol n-propyl ether, citronellol isopropyl ether, citronellol isobutyl ether, citronellol n-amino ether, citronellol isoamyl ether, citronellol n-hexyl ether, citronellol methyl ether, citronellol ether, gingerol, shogaol, zingerone, capsaicin and capsaicine. According to the emulsion composition and a wet tissue applying emulsion composition, the preparation process is simple, and the cost is low; a plurality of feeling organs of the skin of a human body can be simulated; and compared with a product which only stimulates a single feeling organ of the human body, the emulsion composition has relatively long refreshing time.

The cool feeling composition of the present invention obtained by combining a cool feeling substance containing at least one compound selected from 1-menthol, isopulegol, 3-(1-menthoxy)propane-1,2-diol, 2-(1-menthoxy)ethan-1-ol, 3-(1-menthoxy)propan-1-ol, 2-methyl-3-(1-menthoxy)propane-1,2-diol, N-ethyl-l-menthylcarboxamide, p-menthane-3,8-diol, 1-menthyl lactate, and 2-isopropyl-N, 2,3-trimethylbutanamide with a salicylic acid ester represented by the following general formula (I), such as 2-hydroxyethyl salicylate, improves strength and persistency of cool feeling effect, particularly, those containing 1-menthol as the cool feeling substance can alleviate the irritant fragrance note resulting from 1-menthol. Mixing of the cool feeling composition or fragrance composition containing the same with products such as foods and drinks, cosmetics, toiletry products, bath agents, and pharmaceuticals can afford products wherein the above features of the cool feeling composition of the invention are effectively exerted.

wherein R represents a hydrocarbon group having 1 to 18 carbon atoms which may has a substituent.

The invention belongs to the field of archaeological and cultural relics protection, and relates to a temporary reinforcing material and application of a material to archaeological fragile remain extraction. The temporary reinforcing material comprises any one of camphene, camphor, naphthalene and menthyl lactate or comprises any two or three or four of camphene, camphor, naphthalene and menthyl lactate; in the process of applying the temporary reinforcing material to the archaeological excavation process, the unearthed fragile remain is subject to temporary reinforcing firstly, then, extracting or uncovering is carried out, then, the remain is transported or moved to an indoor portion, then, the temporary reinforcing material is manually removed, finally, a permanent reinforcing agent isapplied. The selection range of the temporary reinforcing material is expanded, the problem that at present, the menthol material is single in removal speed is solved, meanwhile, the temporary reinforcing material has the gradient sublimation speed, the actual needs of different archaeological sites or cultural relic repair sites to the keeping time of the temporary reinforcing effect are met, andthe aim of adjusting the removal speed of the temporary reinforcing material manually is achieved.

The invention belongs to the field of electronic cigarettes and particularly relates to mint-flavored nicotine liquid and an electronic cigarette with the same. The mint-flavored nicotine liquid is made from, by weight, 5% to 10% of mint extract, 0.5% to 2% of nicotine, 0.15% to 0.6% of methyl lactate, 0.02% to 0.06% of eucalyptus oil, 0.02% to 0.06% of lemon oil, 0.06% to 0.16% of spice mix, 3% to 11% of ethyl alcohol, 3% to 5% of deionized water, 10% to 13% of glycerol, and the balance of propanediol. The mint-flavored nicotine liquid has the unique natural flavor and coolness of mint; the mint-flavored nicotine liquid has the smoking effect similar to that of the traditional mint cigarettes. The mint-flavored nicotine liquid produces no tar and CO and causes no mint-flavored nicotine liquid damage, and harm to consumers is greatly decreased.

The invention discloses a natural Chinese prescription mouthwash, which is prepared from the following raw materials in percentage by mass: 0.2%-5.0% of a licorice extract, 0.1%-5.0% of a tea extract, 0.1%-3.0% of a scutellaria extract, 0.1%-3.0% of a cortex phellodendri extract, 0.1%-5.0% of a gallnut extract, 0.1%-5.0% of a honeysuckle extract, 0.1%-3.0% of a cassia twig extract, 0.01%-3.0% of menthyl lactate, 0.01%-3.0% of citric acid, 0.5%-8.0% of glycerinum, 0.5%-8.0% of sorbitol and 0.1%-1.0% of polysorbate-20. The mouthwash disclosed by the invention has a bacteriostasis function and is interesting in use.

Described is a composition (i) comprising or (ii) essentially consisting of or (iii) consisting of (a) methyl lactate, (b) neomenthol, and (c) menthol, and optionally (d) neoisomenthol and/or (e) isomenthol, wherein said composition has a solidification point below +5° C.

The present invention relates to cooling compositions comprising a cooling agent (preferably menthyl lactate) together with an ester derivative (preferably tri-ethyl citrate). Such compositions deliver immediate and long lasting freshness sensation, while maintaining or even improving skin and/or mucosal membrane health to which they are contacted and deodorizing said skin and/or mucosal membrane.

Provided is a refreshing composition to be used in foods, drinks, compositions for oral cavity and perfume compositions having a pleasant, refreshing feeling of menthol imparted thereto, said refreshing composition being capable of enhancing the refreshing feeling without increasing the content of menthol, improving the long-lasting properties of the refreshing feeling and having good handling properties when added to products such as chewing gums. A powdery refreshing composition that is prepared by contacting a mixture in an atomized state with a cold gas stream and thus powdering the mixture, said mixture containing a refreshing substance comprising menthol and menthol analogue(s), preferably menthol and one or more kinds of menthol analogues selected from the group consisting of menthyl 3-hydroxybutyrate, menthyl lactate, menthyl glutarate, 3-L-menthoxypropane-1,2-diol, menthyl acetate, isopulegol, N-{(ethoxycarbonyl)methyl}-p-menthane-3-carboxamide and menthone 1,2-glyceryl acetal, together with a stabilizer.

The invention relates to a cleaning agent for an oral cavity, mainly comprising the following ingredients in percentage by weight: 0.1-30 percent of green tea, 0.1-50 percent of turmeric, 0.01-10 percent of menthyl anthranilate, and 0.01-10 percent of sodium cyclamate and acesulfame. According to different conditions of patients, 0.1-50 percent of scutellaria, 0.1-50 percent of camellia, 0.1-30 percent of andrographolide and 0.01-10 percent of borneol can also be added. Due to adoption of the cleaning agent for the oral cavity, effective ingredients or/and extracts are taken into the oral cavity in a manner of directly gargling in the mouth without using a manner of gargling again with clean water after gargling, and the purposes of inhibiting bacteria, diminishing inflammation, cleaning the oral cavity and preventing decayed teeth are achieved.

The invention relates to a long-acting mosquito expelling gel and belongs to the field of daily chemical goods. The long-acting gel comprises an A phase, a B phase and a C phase in percentage by weight: the A phase: 40.00 to 60.00 percent of deionized water, 0.20 to 1.20 percent of carbomer resin, 0.05 to 1.00 percent of hydroxypropylmethyl cellulose and 0.01 to 1.00 percent of disodium EDTA; the B phase: 10.00 to 30.00 percent of alcohol, 10.00 to 25.00 percent of dimethyl phthalate, 0 to 10.00 percent of geranium extract and 0.01 to 1.00 percent of menthyl lactate; and the C phase: 0.10 to 1.00 percent of diisopropylamine. The long-acting mosquito expelling gel has a mild formulation, comfortable coating feel, is fresh and not sticky, has safe use and remarkable mosquito expelling effect which reaches over 10 hours and meets requirement of medicine specially needed for military.

The invention discloses a composite argy wormwood leaf low-alcohol mosquito-repellent liquid and a preparation method thereof. The mosquito-repellent liquid comprises components of: 5 to 12% of dimethyl pathalate, 5 to 10% of a plant extract, 0.2 to 1% of menthyl anthranilate, 0.5 to 2% of a solubilizer, 0.2 to 0.5% of borneol, 10 to 15% of ethanol, and balance of water. The plant extract comprises extracts of three natural plants of argy wormwood leaf, mint, and lavender. The solubilizer is a complex of PEG-40 hydrogenated castor oil and coconut oil acid diethanolamide. According to the invention, safe dimethyl pathalate is adopted as an effective mosquito-repellent component; argy wormwood leaf, mint, and lavender extracts are adopted as effective substances providing functions of itching alleviating and skin nourishing; also, with the plant extracts, a special fragnance is provided for the product. The ethanol content of the product is lower than 15%, such that the product brings low irritations to skins and mucous membranes, and low combustibility. Therefore, with the product, personal safety of users is ensured.

The invention relates to a composition for refreshing brain and regaining consciousness. The composition is prepared from the following components in parts by weight: 50-90 parts of menthol, 20-60 parts of menthyl lactate, 5-30 parts of borneol, 0.4-1.2 parts of heat a sensitizer and the balance of ethanol, and further comprises 20-40 parts of camphor, 5-30 parts of ginseng leaf oil and 10-40 parts of rosemary leaf oil. The composition is capable of playing roles in refreshing and cooling in early, intermediate and late phases of application, is quick in response and durable in action, can be used for all-round comprehensively refreshing brain by means of combination of cooling and fragrance, has more remarkable brain-refreshing and consciousness-regaining effects than those of similar products, can be directly applied to skin, and is safe, comfortable and convenient to use.

The invention discloses a method for improving the quality of threshed redried strips. In a threshing, redrying and secondary moistening link, redrying materials are added in tobacco leaves, wherein the redrying materials comprise, by mass, 6.4% of protease, 5% of diastasum diastace, 7.6% of pectinase, 9.5% of apple juice, 9.5% of hawthorn extractive, 6.3% of hawthorn, 7.2% of menthyl cette, 3.5% of oak chip extractive, 5% of acetyl benzene, 8% of damascenone beta, 6.5% of citral, 15% of alcohol which is 95% in volume fraction, and the balance water. After the redrying materials are added, quality of the formed strips can be effectively improved after the formed strips are stored for one year, impurity gas and irritation of the tobacco leaves can be reduced, purity and comfortable degree of aroma can be improved, starch content and protein content in the tobacco leaves can be reduced and usability of the tobacco leaves can be improved.

A catalyst for synthesizing 1,2-propanediol by hydrogenating ethyl lactate contains Ru as active component, potassium (or sodium) borohydride as reducer, and carrier or not, and is prepared by improved chemical reduction method. Its advantages are high activity and selectivity, simple post-treating, and no environmental pollution.

The invention relates to a method for producing methyl lactate with high content and high optical purity from lactide and methanol through ester exchange reaction in two steps. The method comprises the following steps of: adding a catalyst to a lactic acid to carry out polycondensation reaction to obtain the lactate oligomer with the molecular weight of 1,000-2,500; adding a catalyst to the lactate oligmer to carry out depolymerization reaction to obtain the crude lactide; refining the lactide, and carrying out full-reflux reaction on the refined lactide and the absolute methanol to obtain the methyl lactate. The process is simple, the content of synthesized methyl lactate is more than 99.5%, and the optical purity can achieve more than 99%.