97 results about "Damascenone" patented technology

The invention relates to essence, in particular to flavoring essence used for tobacco. The flavoring essence is formed by mixing the following raw material components in percentage by weight: 1 to 3 percent of 10 percent vanillin, 2 to 4 percent of 10 percent damascenone, 2 to 4 percent of 10 percent ethyl maltol, 5 to 8 percent of stachyurus extract, 2 to 4 percent of Peru concrete, 1 to 3 percent of five-flavor ketone, 0.5 to 2 percent of 10 percent furaneol, 1 to 3 percent of 10 percent oak chip extract, 0.5 to 2 percent of 10 percent cassia leaf oil, 0.5 to 2 percent of elecampane extract, 1 to 3 percent of 10 percent clove bud oil, 2 to 4 percent of Xianning orange osmanthus extract, 1 to 3 percent of 1 percent valerian oil, 1.5 to 3 percent of trigonella tincture, 0.5 to 2 percent of 10 percent geranium oil, 15 to 20 percent of white hyacinth bean tincture, 1 to 3 percent of 10 percent acetic ether, 5 to 8 percent of lonicera confusa extract, 1 to 3 percent of ribes burejeuse extract, 8 to 51.5 percent of 70 percent ethanol, and 1 to 3 percent of daidzein. The flavoring essence used 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.

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.

A method of promoting activated, pleasant moods through the inhalation of energising, non-stressing fragrances (invigorating fragrances) comprising at least 75% by weight, preferably 85% by weight of perfume materials drawn from the following groups:

• A) At least 10% by weight in total of at least three materials drawn from Group ‘IMP’ comprising: allyl amyl glycolate; benzyl salicylate; bergamot oil; coriander oil; cyclamen aldehyde; 1-(2,6,10-trimethylcyclododeca-2,5,9-trien-1-yl)ethanone; allyl (cyclohexyloxy)acetate; Damascenia 185 SAE; 2,4-dimethylheptan-1-ol; fir balsam; fir needle oil; 3-(4-ethylphenyl)-2,2-dimethylpropanal; ginger oil; guaiacwood; linalyl acetate; litsea cubeba oil; methyl 2,4-dihydroxy-3,6-dimethylbenzoate; nutmeg oil; olibanum oil; orange flower oil; Ozonal AB 7203C; patchouli oil; rose oxide; rosemary oil; sage clary oil; spearmint oil; Tamarine AB 8212E; tarragon oil;
• B) Optionally up to 90% of materials from the following groups:
  • Group ‘HMR’ comprising:
  • allyl ionone; benzyl acetate; cis-jasmone; citronellol; ethyl linalol; ethylene brassylate; 4-methyl-2-(2-methylpropyl)tetrahydro-2H-pyran-4-ol; geraniol; geranium oil; isoeugenol; lemon oil; 2,4-dimethylcyclohex-3-ene-1-carbaldehyde; 3-(4-hydroxy-4-methylpentyl)cyclohex-3-ene-1-carbaldehyde; 4-(4-hydroxy-4-methylpentyl)cyclohex-3-ene-1-carbaldehyde; alpha-iso-methyl ionone; 3-methylcyclopentadec-2-en-1-one; cyclopentadecanone; cyclohexadecanolide; gamma-undecalactone.
  • Group ‘HMI’ comprising:
  • 1-{[2-(1,1 -dimethylethyl)cyclohexyl]oxy}butan-2-ol; 3a,6,6,9a-tetramethyldodecahydronaphtho[2,1 -{b}]furan; alpha-damascone; dihydromyrcenol; eugenol; 3-(1,3-benzodioxol-5-yl)-2-methylpropanal; 2,4-dimethylcyclohex-3-ene-1-carbaldehyde; mandarin oil; orange oil; 2-(1,1-dimethylethyl)cyclohexyl acetate.
  • Group ‘HMP’ comprising:
  • 1-(2,6,6,8-tetramethyltricyclo[5.3.1.0 {1,5}]undec-8-en-9-yl)ethanone; allyl cyclohexyl propionate; allyl heptanoate; Apple Oliffac S pcmf; 7-methyl-2H-1,5-benzodioxepin-3(4H)-one; cassis base; cis-3-hexenyl salicylate; damascenone; gamma-decalactone; ethyl acetoacetate; ethyl maltol; ethyl methyl phenylglycidate; hexyl acetate; (3E)-4-methyldec-3-en-5-ol; 2,5,5-trimethyl-6,6-bis(methyloxy)hex-2-ene; 4-(4-hydroxyphenyl)butan-2-one; styrallyl acetate; 2,2,5-trimethyl-5-pentylcyclopentanone; ylang oil. Group ‘RMP’ comprising: anisic aldehyde; (2Z)-2-ethyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)but-2-en-1-ol; benzoin siam resinoid; ethyl vanillin; oxacyclohexadec-12(13)-en-2-one; hexyl salicylate; hydroxycitronellal; jasmin oil; 3-methyl-5-phenylpentan-1-ol; 2-(phenyloxy)ethyl 2-methylpropanoate; alpha-terpineol; vanillin;
  • Group ‘GEN’ comprising:
  • cyclopentadecanolide; oxacyclohexadecan-2-one; hexyl cinnamic aldehyde; ionone beta; isobornyl cyclohexanol; 1-(2,3,8,8-tetramethyl-1,2,3,4,5,6,7(8),8(8a)-octahydronaphthalen-2-yl)ethanone; 4-(1,1-dimethylethyl)phenyl]-2-methylpropanal; linalol; methyl dihydrojasmonate; 2-phenylethanol;
  • provided the following conditions are met:
  • (a) IMPs>=HMPs+HMRs
  • (b) IMPs+HMIs+GENs>=70%
  • (c) (IMP+HMI)/(IMP+HMI+RMP+HMR)>=0.7
  • (d) IMPs/(HMPs+RMPs+IMPs)>=0.5
  • (e) IMPs/[(HMPs+RMPs+IMPs)+(100−TOTAL)]>=0.3
  • wherein ‘IMPs’ indicates the sum of the percentages of materials within Group IMP, and similarly for the remaining groups, the symbol ‘>=’ indicates ‘at least equal to’, and ‘TOTAL’ is the sum of HMPs, HMRs, HMIs, IMPs, RMPs and GENs, provided also that low odour or no odour solvents are excluded from the calculation of these sums is provided which have an invigorating effect when inhaled by a subject.

The invention discloses a formula of tobacco flavoring essence with sweet essence. According to the formula, the tobacco flavoring essence consists of the following components in percentage by mass: 1.0 to 4.0 percent of ethyl maltol, 2.0 to 3.0 percent of plum extractum, 1.0 to 2.0 percent of phenethyl ethanol, 0.01 to 0.1 percent of damascenone, 0.1 to 0.5 percent of phenylacetic acid ethylester, 0.5 to 1.0 percent of methyl cyclopentenotone, 2.0 to 5.0 percent of red date extractum, 0.01 to 0.03 percent of linalool, 0.02 to 0.08 percent of 5-methylfurfural, 0.1 to 0.5 percent of benzoic acid, 0.05 to 0.15 percent of beta-irisone, 0.02 to 0.08 percent of 4-guaethol, 15 to 25 percent of glycerol, 45 to 55 percent of propylene glycol and 3 to 15 percent of purified water. By the formula, tobacco produces sweet fragrance, tobacco fragrance can be increased and taste of the tobacco can be adjusted, so that the taste of the tobacco is improved, the natural sweet fragrance of the tobacco is enhanced and dry, astringent and bitter mouthfeel of customers is improved and requirements of the customers are met.

The invention relates to a preparation method of essence for an electronic cigarette with strawberry flavor. The preparation method comprises the following steps: a first step of preparing materials according to a certain mass percent; a second step of stirring and mixing prepared ethyl butyrate, styralyl acetate, benzyl alcohol, phenethyl alcohol, ethyl benzoate, strawberry acid, alpha-ionone, beta-ionone, beta-dihydrogen damascenone, waxberry aldehyde and gamma-octyl lactone in sealed space; a third step of adding the prepared ethyl maltol, vanillin, methyl cinnamate and raspberry ketone in the uniformly stirred and mixed liquor in sequence, and stirring until dissolving completely; and a fourth step of placing the completely dissolved liquor under the room temperature for ageing for 30 hours-60 hours. According to the preparation method disclosed by the invention, the whole process is simple and controllable, the prepared electronic cigarette has special thick fresh strawberry flavor which is strong and mellow, and lasting, so that breath of a user is fresh.

The invention relates to an essence, in particular to a flavored essence for increasing cigarette sour and sweet note. The flavored essence is made of raw materials including, in weight percent, 0.5-0.8% of 1% hydroxycitronellal, 1-2% of ethyl acetate, 5-8% of isoamyl acetate, 0.01-0.5% of beta-damascenone, 0.01-0.8% of dihydroactinidiolide, 0.01-0.8% of alpha-ionone, 1-2.5% of vanillin, 0.5-4% of butyric acid butylester, 0.5-5% of acetic acid, 0.5-5% of lactic acid, 4-10% of dried apricot slices extract, 4-10% of plum extract, 1-5% of tomato extract, 0.5-2% of iris extract, 3-8% of Zimbabwe tobacco extract, 20-30% of propanediol and 4.1-61.67% of 70% ethyl alcohol. The flavored essence solves the problems that an existing cigarette is single in fragrance and obvious in offensive odor and stimulation, smoking satisfaction and enjoyment of the cigarette is improved, the aroma amount of the cigarette is increased, obvious sour and sweet note is given for the cigarette, the flavored essence is rich in fragrance, and stimulation is reduced.

The invention discloses a formula of tobacco flavoring essence with pure and sweet fruit fragrance. According to the formula, the tobacco flavoring essence consists of the following components in percentage by mass: 2 to 4 percent of ethyl maltol, 2 to 3 percent of ethyl berry ketone, 0.1 to 0.3 percent of leaf ethanol, 0.05 to 0.1 percent of damascenone, 0.1 to 0.5 percent of phenylacetic acid ethyl ester, 0.01 to 0.1 percent of nerolidol, 8 to 10 percent of red date tincture, 0.01 to 0.05 percent of linalool, 0.02 to 0.08 percent of ethyl isovalerate, 0.1 to 0.3 percent of benzoic acid, 0.05 to 0.16 percent of beta-irisone, 0.02 to 0.08 percent of geranylacetone, 20 to 30 percent of glycerol, 40 to 55 percent of propylene glycol and 10 to 18 percent of edible ethanol. By the formula, tobacco produces pure and sweet fruit fragrance, tobacco fragrance can be increased and taste of the tobacco can be adjusted, so that the taste of the tobacco is improved, the natural sweet fragrance ofthe tobacco is enhanced and dry, astringent and bitter mouthfeel of customers is improved and requirements of the customers are met.

The invention provides a burley tobacco nicotine extract product and an extraction technology for the same. The burley tobacco nicotine extract product is composed of the following components according to weight by percentage: 94 to 97% of nicotine, 0.4 to 0.6% of cotinine, 0.2 to 0.3% of N-methy pridine carboxamide, 0.1 to 0.2% of benzofuran, 0.1 to 0.2% of indol, 0.1 to 0.2% of 5.5-dimethyle pyrazoline, 0.05 to 0.15% of acetyl pridine, 0.05 to 0.1% of megastigmatrienone, 0.02 to 0.05% of hydroxide radical damascenone, 0.02 to 0.05% of palmitic acid and 0.01 to 0.04% of demethylation nicotine. The burley tobacco nicotine extract product has nigh nicotine content and has special flavor when prepared for electronic tobacco juice; electronic cigarette satisfaction can be enhanced; and the electronic cigarette can be closer to cigarette taste.

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.

The invention provides a Chinese eaglewood essence for dropping pills for cigarettes and a preparation method and application thereof. The Chinese eaglewood essence for cigarette dropping pills is prepared by mixing the following materials in percentage by weight: 0.8 to 1.5 percent of cypress oil, 0.002 to 0.008 percent of Hubei rosewood essence oil, 0.02 to 0.05 percent of dihydroactinidiolide, 0.02 to 0.05 percent of irone, 0.01 to 0.04 percent of damascenone, 0.01 to 0.05 percent of furanone, 0.02 to 0.08 percent of ethyl vanillin, 0.2 to 0.8 percent of benzyl alcohol and the balance of propylene glycol. The dropping pill for Chinese eaglewood cigarettes which is prepared by using the Chinese eaglewood essence not only can cover bad chemical smell which is produced by wall material and wrapping solvents when the dropping pill is broken by pinching, but also can give Chinese eaglewood fragrance in harmony with tobacco fragrance, the distortion of Chinese eaglewood fragrance when a Chinese eaglewood cigarettes burn can be remedied, and thereby comfortable natural Chinese eaglewood fragrance is given to the cigarettes.

The invention provides a blending method and application of casing flavor with herb and baking aroma. The flavor is prepared by: firstly adding a fruit juice maillard reaction product, a coffee extract, a fenugreek extract, a maple concrete, a malt extract and a grape biological extract for cigarette successively into propylene glycol, and mixing the substances evenly to obtain a component A; thenadding furanone, 3% fenugreek lactone, ethyl maltol and damascenone successively into 95% alcohol, and mixing the substances evenly to obtain a component B; and finally adding the component A and component B into purified water and mixing the substances evenly, then performing standing for 24-48h, then conducting sifting with a 80-100mesh sieve to filter out sediment. The flavor obtained by the method provided by the invention has strong herb and baking aroma, and through application of the flavor in cigarettes, the cigarettes can have obvious herb and baking aroma, and have obvious herb andbaking aroma during smoking, and the aroma fullness and the cigarette comfort are improved.

The invention discloses a formula of tobacco flavoring essence with sweet fragrance. According to the formula, the tobacco flavoring essence consists of the following components in percentage by mass: 1.0 to 4.0 percent of ethyl maltol, 2.0 to 3.0 percent of plum extractum, 1.0 to 2.0 percent of phenethyl ethanol, 0.01 to 0.1 percent of damascenone, 0.1 to 0.5 percent of phenylacetic acid ethyl ester, 0.5 to 1.0 percent of methyl cyclopentenotone, 2.0 to 5.0 percent of red date extractum, 0.01 to 0.03 percent of linalool, 0.02 to 0.08 percent of 5-methyl furfural, 0.1 to 0.5 percent of benzoic acid, 0.05 to 0.15 percent of beta-irisone, 0.02 to 0.08 percent of 4-guaethol, 15 to 25 percent of glycerol, 45 to 55 percent of propylene glycol and 8 to 15 percent of purified water. By the formula, tobacco produces sweet fragrance, tobacco fragrance can be increased and taste of the tobacco can be adjusted, so that the taste of the tobacco is improved, the natural sweet fragrance of the tobacco is enhanced, dry, astringent and bitter mouthfeel of customers is improved and requirements of the customers are met.

The invention discloses a preparation method of beta-damascenone spice. The preparation method comprises the following steps: (1) by taking beta-ionone as an initial raw material, carrying out a reaction with hydroxylamine hydrochloride in an alkaline environment to obtain beta-ionone oxime; (2) carrying out a reaction on beta-ionone oxime and halogens and metal salt thereof to obtain a beta-ionone oxime isoxazole derivative; (3) acting on the eta-ionone oxime isoxazole derivative and sodium to generate beta-dihydrodamascenone; and (4) carrying out an oxidizing halogenating reaction on beta-dihydrodamascenone and free radicals of halogens and carrying out an elimination reaction of removing halogen hydride under the alkaline environment to obtain the beta-damascenone. The preparation method disclosed by the invention is cheap and easily available in raw materials, simple to operate, mild in reaction condition, high in yield of reactions and low in cost, and the solvent used can be recycled, so that the preparation method is a method suitable for industrially producing beta-damascenone spice.

The invention discloses a preparation method of an alpha-damascenone perfume. A technical scheme adopted by the invention is characterized in that the method comprises the following steps: 1, reacting an initial raw material dehydrolinalool with 3-bromopropylene in a mixed solvent comprising toluene and methanol to obtain 6,10-dimethylundecyl-1,9-diene-4-alkynyl-6-ol; 2, converting 6,10-dimethylundecyl-1,9-diene-4-alkynyl-6-ol obtained in step1 in a solvent comprising toluene and dimethyl sulfoxide at 90-100DEG C under the action of a catalyst to obtain fake damascenone; and 3, converting damascenone in a solvent toluene at 50-60DEG C under the action of a catalyst phosphoric acid supported on active carbon to obtain the alpha-damascenone perfume. The method has the advantages of cheap and easily available raw material, mild reaction conditions, high reaction yield of each step, recycle of the solvents comprising toluene and methanol, and low cost, and is a method suitable for the industrialized production of the alpha-damascenone perfume.

The invention discloses rose essence used for perfume, which is characterized by comprising the following components by weight percent: 4.8-5.0 percent of rose absolute, 0.8-1.0 percent of coldly ground ginger oil, 10.0-12.0 percent of phenethyl alcohol, 3.5-4.0 percent of rose, 18.0-22.0 percent of geraniol, 10.0-11.0 percent of santalwood, 20.0-24.0 percent of citronellol, 5.0-6.0 percent of cedar wood oil, 0.7-0.9 percent of phenylacetaldehyde dimethyl acetal, 4.0-5.0 percent of isolongitolanone, 4.0-5.0 percent of ionone, 0.1-0.2 percent of civetta paste, 0.1-0.2 percent of rose oxide, 0.1-0.3 percent of musk tincture and 0.3-0.5 percent of damascenone. The rose essence used for the perfume in the formula is suitable for the perfumed products of white cream, emulsion, fragrant sirup and the like, does not have the defect of discoloration and has the advantages of pure and abundant fragrance, strong permanence, very little use quantity and the like.

Directed at the problem that the fragrance of blended flavoring rose essence is greatly different from the fragrance of natural roses, the invention provides a flavoring rose essence for daily chemicals, belonging to the field of essence. The flavoring rose essence comprises the following components by mass: 45 to 55 parts of phenylethyl alcohol, 5 to 15 parts of citronellol, 1 to 10 parts of nerol, 1 to 10 parts of geraniol, 1 to 10 parts of rhodinol, 1 to 10 parts of ambrotone, 5 to 15 parts of galaxolide, 0.1 to 1 part of delta damascene, 0.01 to 0.1 part of rose oxide, 0.5 to 1.5 parts ofrose geranium oil, 0.1 to 1 part of damascenone and 10 to 20 parts of dipropylene glycol. By controlling the proportion of each component during preparation of the flavoring rose essence for daily chemicals, the aroma intensity of the flavoring rose essence for daily chemicals can be increased, the aroma given off by the flavoring rose essence for daily chemicals is closer to the natural aroma ofroses and is purer and richer, and thus, desired aroma can be generated by adding only a small amount of the flavoring rose essence into daily chemicals.

The invention relates to acid-flavor essence for softening and smoothing smoke and reducing stimulation and an application thereof. The acid-flavor essence is characterized by being formed by mixing the following raw material components in parts by weight: 1-4 parts of smoked plum extract, 3-8 parts of dark plum extract, 0.03-0.08 part of myristic acid, 0.03-0.08 part of acetic acid, 0.3-0.8 part of lactic acid, 0.001-0.002 part of phellandrene, 0.03-0.10 part of ethyl maltol, 0.01-0.05 part of damascenone, 0.3-1.0 part of extractum glycyrrhizae and the balance of propylene glycol, based on 100 in total. The acid-flavor essence for softening and smoothing smoke and reducing stimulation is applied to cigarettes. The application is characterized in that dosage of the acid-flavor essence for softening and smoothing smoke and reducing stimulation accounts for 0.05%-0.3% of the mass of cut tobaccos, wherein the acid-flavor essence is uniformly sprayed into the cut tobaccos, and the cut tobaccos are prepared into cigarettes. The acid-flavor essence has the beneficial effect of having acid-flavor smell. The acid-flavor essence has the effects of softening and smoothing smoke, and reducing stimulation. The smoking taste is improved, and the quality of tobaccos is improved.

The invention relates to a preparation process of alpha-damascenone. The preparation process of the alpha-damascenone comprises the following steps: taking alpha-ionone, namely a compound A, as a rawmaterial, reacting the alpha-ionone with hydroxylamine hydrochloride to obtain alpha-oximes of ionones, namely a compound B; carrying out epoxidation on double bonds in the compound B to obtain alpha-epoxidized oximes of ionones, namely a compound C; dehydrating the compound C under the effect of acid to obtain alpha-ionone isoxazole derivative, namely a compound D; and carrying out reduction on the compound D to obtain a final product E which is the alpha-damascenone. The alpha-ionone is used as the raw material, the alpha-damascenone can be prepared by only four steps, the preparation process of the alpha-damascenone has the characteristics of short reaction period, low preparation cost, high yield of various steps and easiness in follow-up treatment, and is suitable for industrial production, and a gap of domestic industrial production of the product at present is filled.

The invention provides a fruit sweet scent essence for cigarette dripping pills and application of fruit sweet scent essence. The fruit sweet scent essence is prepared through the following steps: mixing Brazil sweet orange oil, cold pressed lemon oil, dried tangerine peel essential oil, pineapple essential oil, red jujube extract, fig essential oil, walnut essential oil, beeswax essential oil, apricot extract, damascenone and olive oil and stirring the mixture for 1-3 hours uniformly; then standing for 24-48 hours; and filtering with a 60-80-mesh screen mesh to remove sediments. The fruit sweet scent essence is prepared into the cigarette dripping pills by using a pill dropping machine, and then is positioned and applied to cigarette filter sticks. During preparation of the dropping pills, the cigarette dripping pills have good production stability, low breakage rate, and yield of 80-85%; the fruit sweet scent essence is applied to cigarettes, to apparently increase fruit sweet aroma, give out graceful and elegant aroma, and remain sweet and comfortable aroma.

The invention discloses cherry essence and essence microcapsules. The cherry essence comprises musk, abelmoschus esculentus lactone, methyl dihydrojasmonate, triethyl citrate, gamma-undecalactone, phenyl-1-hexanol, 3-Methyl-3-phenylglycidic acid ethyl ester, phenoxyethyl isobutyrate, dimethyl benzyl carbinyl butyrate, beta-ionone, natural anisylacetone, fructose ester, ethyl vanillin, tricyclodecenyl acetate, damascenone, methyl cinnamate, phenylethyl acetate, blackcurrant essence, high-cis o-tert-butyl cyclohexyl acetate, anisic aldehyde, phenoxyethanol, ethyl maltol, styrallyl acetate, ligustral, isononyl acetate, benzyl acetate, benzaldehyde, hexyl acetate, ethyl 2-methylvalerate, 2-methyl butyl acetate and the like. The cherry essence prepared by the invention not only has strong cherry fragrance, but also has natural soft feeling and high harmony, and the cherry essence microcapsules prepared by taking the cherry essence as a raw material can keep excellent flavor quality of the cherry essence in long-term storage.

The invention relates to a perfume and in particular relates to a fragrance-lasting perfume. The fragrance-lasting perfume comprises the following components: a fixing agent, thyme, cinnamon essential oil, Citronella essential oil, rosemary essential oil, clove essential oil, 0.2-0.4 percent of Chamomile essential oil, holy basil essential oil, pine tree essential oil, tea tree essential oil, cajeput essential oil, vinyl benzoate, eugenol, alpha damascenone, benzoic acid, coumarin and the balance of alcohol with the concentration of 70-85 percent. The perfume has the fruity flavor, and the fragrance can continue for 4-5 days.

The invention provides essence used for improving the smoke state of tobacco realizing no combustion under heating as well as a preparation method and applications of the essence. The essence is prepared by mixing the following raw materials in percentage by weight: 3-7 % of dark plum extract, 4-10 % of tomato extract, 0.02-0.06 % of ethyl acetate, 0.02-0.08 % of damascenone, 0.1-0.6 % of tangerine oil, 0.2-0.8 % of ethyl lactate, 0.2-0.8 % of benzyl alcohol, 3-6 % of fructose, and the balance of propylene glycol, wherein the total mass percentage of the raw materials is 100%. The essence anda coating solution are mutually soluble, no impurities separate out, for a tobacco product realizing no combustion under heating produced by the prepared cigarette core material, during the smoking process, the aroma is comfortable and natural, the smoke is soft and smooth, the oral cavity is enabled to be clean, and the comfort is promoted.

A mutant, non-naturally occurring or transgenic plant cell comprising: (i) a polynucleotide comprising, consisting or consisting essentially of a sequence encoding a neoxanthin synthase and having at least 60% sequence identity to SEQ ID NO:1 or SEQ ID No. 6; (ii) a polypeptide encoded by the polynucleotide set forth in (i); (iii) a polypeptide having at least 66% sequence identity to SEQ ID NO:2 or at least 60% sequence identity to SEQ ID No. 7; or (iv) a construct, vector or expression vector comprising the isolated polynucleotide set forth in (i), and wherein the expression or activity of the neoxanthin synthase is modulated as compared to a control or wild type plant.

The invention relates to the field of essences, and provides a honey essence for daily chemicals in order to solve the problem that the difference between the aroma of existing honey essence and nature aroma is great. The honey essence for the daily chemicals is prepared from, by mass, 0.1-1 part of phenethyl acetate, 0.1-1 part of isoamyl acetate, 0.01-0.15 part of geranyl acetate, 0.1-1 part ofethyl acetate, 0.1-1 part of ethyl pelargonate, 1-15 parts of phenylethyl isobutyrate, 0.1-1.5 parts of isoamyl isovalerate, 0.5-3 parts of ethyl lactate, 0.1-1 part of ethyl phenylacetate, 0.5-1.5 parts of butyl phenylacetate, 0.1-1 part of methyl phenylacetate, 1-10 parts of phenylethyl phenylacetate, 5-20 parts of phenethyl alcohol, 0.1-1 part of citronellol, 0.01-0.2 part of geraniol, 0.5-3 parts of artificial cognac oil, 1-10 parts of methyl cedryl ether, 0.5-3 parts of ethyl maltol, 0.1-1 part of damascenone, 0.1-1.5 parts of delta damascone, 0.1-1.5 parts of 4-hydroxy-2,5-dimethyl-3(2H)-furanone and 50-70 parts of dipropylene glycol. By controlling the usage ratio of all the components, the aroma intensity of the honey essence for the daily chemicals is easily improved, and the aroma given off by the honey essence for the daily chemicals is closer to the natural aroma.

The invention discloses a formula of rose fragrance tobacco flavoring essence. According to the formula, the rose fragrance tobacco flavoring essence consists of the following components in percentage by mass: 0.1 to 0.5 percent of rose essential oil, 0.1 to 0.5 percent of 2-acetylpyrazine, 0.05 to 0.5 percent of 2,3-dimethylpyrazine, 1 to 2 percent of ethyl berry ketone, 0.01 to 1 percent of tobacco ketone, 0.1 to 1 percent of alpha-damascenone, 1 to 10 percent of Yunyan tobacco essential oil, 1 to 2 percent of tobacco extract,0.1 to 0.5 percent of lactic acid, 0.1 to 1 percent of apple extractum, 1 to 2 percent of honey extractum, 0.01 to 0.1 percent of 2-acetylpyrrole, 50 to 60 percent of edible ethanol and 30 to 40 percent of propylene glycol. According to the formula, the rose essential oil is added so that tobacco produces fragrance of rose, the tobacco fragrance is increased and the taste of the tobacco is adjusted, and then the taste of the tobacco is improved, the natural sweet fragrance of the tobacco is enhanced, dry, astringent and bitter mouthfeel of customers is improved and requirements of the customers are met.