37 results about "Cis-3-Hexen-1-ol" patented technology

The invention discloses a preparation method of mango-flavored essence for electronic cigarettes. The preparation method comprises the following preparation steps: step 1, preparing raw materials according to certain mass percent; step 2, stirring and mixing prepared cis-3-hexen-1-ol, cis-3-hexenyl acetate, ethyl acetate, ethyl butyrate, allyl hexanoate, butyric acid, glyceryl triacetate, propylene glycol, phenethyl alcohol, ethyl thioacetate, para-mentha-8-thiolone and delta-decalactone / ethanol in a sealed space; step 3, sequentially adding prepared ethyl maltol, maltol, cedar leaf oil, sweet orange oil terpeneless, linalool and mango ketone into the stirred mixed solution; stirring until all the raw materials are completely dissolved; step 4, putting a mixed solution at room temperature and ageing for 30h to 60h. According to the preparation method of mango-flavored essence for the electronic cigarettes, disclosed by the invention, the mango-flavored essence has a special rich and fresh mango flavor and the flavor is rich, mellow and lasting; the mango-flavored essence has no nicotine, has the mango flavor which is favored by the majority of female consumers and has the effect of refreshing breath of a user.

A composition for attracting female tropical root weevils (and / or repelling male tropical root weevils), containing (±)-linalool, cis-3-hexen-1-ol, and carvacrol, and optionally a carrier or carrier material known in the art. A method for attracting female tropical root weevils to an object or area, involving treating the object or area with a composition containing a female tropical root weevil attracting effective amount of (±)-linalool, cis-3-hexen-1-ol, and carvacrol, and optionally a carrier or carrier material. A method for repelling male tropical root weevils from an object or area, involving treating the object or area with a composition containing a male tropical root weevil repelling effective amount of (±)-linalool, cis-3-hexen-1-ol, and carvacrol, and optionally a carrier or carrier material.

Methods, combinations and compositions for relieving or preventing the effects of stress are provided. In particular, combinations and compositions comprising cis-3-hexen-1-ol, trans-2-hexenal and α-pinene, articles of manufacture impregnated with the combination or composition and methods of relieving stress by exposure to the combination or composition are described.

The invention discloses an adult citus longhorned beetle attractant and belongs to the technical field of forest pests. The attractant comprises 95% nonanal, 98% linalool, 90% beta-caryophyllene, 98% cis-3-hexen-1-ol and 98% alpha-farnesene in the volume ratio being (1-5):(1-5):(1-10):(1-5):(1-5). The adult citus longhorned beetle attractant is reasonable in ratio and significant in attracting effect, has the advantages of high efficiency, environment-friendliness, safety, long lasting period and the like, has great significance in protecting common tree species such as poplars, willows, citrus trees, hickories, Koelreuteria bipinnata Franchet and the like which are harmed by citus longhorned beetles, and can be widely applied to fields of protection forests, economic forests, landscaping forests, orchards and the like.

Novel lactones of polysaccharide carboxylic acids, and methods for the preparation of a variety of conjugates therefrom, as well as the novel conjugates, are provided. Conjugates include metallo-coordinated cisplatin (and carboplatin), as well as conjugates of ellipticinium, aminoglutethimide, mitoxantrone, mitoguazone, cis 3-hexen-1-ol, and other nucleophilic biologically effective agents. Also provided are conjugates via a coupling agent of biologically effective agents, such as Vitamin E, DTPA, TAXOL and TAXOTERE.

The present invention discloses a processing technology of green tea. The processing technology comprises the following steps: tea leave collection, tedding of fresh leaves, enzyme deactivation, shaping, drying, sterilization, fragrance extraction, screening, packaging and storage, and other steps. The processing technology is characterized in that: the step of enzyme deactivation includes a steam enzyme-deactivation and a roller enzyme-deactivation, after the steam enzyme-deactivation and the roller enzyme-deactivation are finished, rapid cooling is carried out by a rapid cooling technology;'phenol ammonia ratio'of the tea contents is reduced; the proportion of tea polyphenol which exhibits astringent taste is declined; the proportion of free form amino acid compound which can reflects fresh and refreshing characteristics is increased; the volatilization of volatile tea aromatic substances such as cis-3-hexen-1-ol, benzyl alcohol and others is reduced; three factors of color, smell and taste of the finished tea can be improved to achieve a higher level.

The invention provides an interference repellent for leguminivora glycinivorella, and also discloses a preparation method for the interference repellent. The interference repellent is prepared from leaf alcohol, cis-3-hexenyl acetate, cis-3-hexenyl ester n-valerate, (E)-butyric acid-3-hexenyl ester, ocimenum, (Z)-propionic acid-3-hexenyl ester, alpha-farnesene, methyl jasmonate, n-hexane or dimethylbenzene and the like. The interference repellent has reasonable components, is an environment-friendly biological interference repellent, has a simple preparation method and a good prevention and control effect, is safe for crops and natural enemies, cannot make insects generate resistance, is environment-friendly and convenient to apply and popularize, and has a wide market prospect and obvious economic, ecological and social benefits.

The invention discloses a composition for attracting adult curculio chinensis. The composition comprises the following components in parts by volume: honeysuckle essential oil, andrographis essentialoil, cis-3-hexen-1-ol, cis-3-hexenyl acetate, 3-heptanone, hexanal and nonanal. The preparation method of the composition comprises the following steps: A, preparing an organic matter mixed solution;B, dissolving gelatin and gum arabic to prepare a coating solution; C, adding the coating solution into the organic matter mixed solution under the stirring condition, and uniformly mixing; D, coagulating and solidifying to prepare a slow-release composition; and under the stirring condition, adding acetic acid into the mixed solution prepared in the step C to adjust the pH value of the mixed solution to be 3.8-4, and coagulating the mixed solution to prepare a composition with a slow release effect. The adult curculio chinensis is attracted pertinently, and the damage of the curculio chinensis in an oil tea garden can be effectively prevented and controlled in cooperation with the corresponding insect catcher. Meanwhile, organic solvents and chemical pesticides are not used, and the negative influence on the ecology and the environment of the oil tea garden is small.

The invention provides a method for trapping and killing tea lesser leafhoppers with a plant repellent and an attractant in a push-pull manner. The 41-51mg / mL attractant is prepared from the followingvolatile matters from branches and leaves of flemingia macrophylla at a proportion: cis-3-hexen-1-ol, cis-3-hexen-acetic ester, ocimene, methyl salicylate, cis-3-hexen-butyric ester, dodecane, hexadecane and nonanal. The 15-25mg / mL of two-component repellent is prepared from the following ingredients at a proportion: thymol and 2-isopropyl-4-methyl anisole. The tea lesser leafhoppers prevail frommid-May to mid-July and from September to November every year, a lure loaded with the repellent is bound in tea bushes during prevailing, and the leafhoppers are repelled out by the repellent; meanwhile, a bud green sticky board with an attractant lure is fixed above the tea bushes, and the leafhoppers are attracted to the sticky board by the attractant; 15-20 sets of 'push-pull' combinations areplaced per mu, so that a large amount of leafhoppers are trapped and killed, and green prevention and control can be achieved.

The invention discloses a green tea processing technology by employing a segmentation quick-cooling type, which comprises the steps of picking up tea green, tedding green tea, deactivating enzymes, shaping, drying, sterilizing, screening and packaging for warehousing, quick cooling on tea is carried out by employing the segmentation quick-cooling technology after deactivating enzymes, phenol-ammonia ratio in the tea can be reduced, tea polyphenol proportion is decreased, proportion content of an amino acid compound in a free state which is capable of embodying fresh and cool characteristics can be increased, cis-3-hexen-1-ol and benzyl alcohol which are easy to volatilize the tea fragrant substances in the tea can be reduced, and high level of three factors of color, fragrance and flavour of the product can be increased.

The invention discloses Xestia c-nigrum attractant composition and an application thereof and belongs to the technical field of preparation of insect sex pheromones. The Xestia c-nigrum attractant composition is prepared from a Xestia c-nigrum sex pheromone and a synergist in a weight ratio being 1: (0.5-100), wherein the main ingredients of the Xestia c-nigrum sex pheromone are cis-7-tetradecenyl acetate, cis-5-tetradecenyl acetate and trans-5-tetradecenyl acetate, and the synergist is one or more of the following plant volatile substances: 1-hexanol, phenylacetaldehyde, cis-3-hexen-1-ol, heptaldehyde and linalool. The Xestia c-nigrum attractant composition can be applied to condition prediction, mass trapping and mating disruption of Xestia c-nigrum accurately and has great significance in comprehensive treatment of the Xestia c-nigrum.

The invention relates to the field of daily chemical essence, and particularly discloses a natural and fresh flower and fruit flavor essence, and a preparation method and application thereof. The natural and fresh flower and fruit flavor essence is prepared from methyl dihydrojasmonate, ambrotone, ethyl linalool, limonene, o-tert-butyl cyclohexyl acetate, lilial, leaf alcohol, allyl enanthate, leaf acetate, leaf butyrate, damascenone A, vanatone, ligustral, citral, gamma-decalactone, sweet orange oil, lemon oil, cedar virginiana oil, a flavoring agent, a modifying agent and a fixative. The preparation method comprises the following steps: 1) uniformly mixing; 2) curing; and 3) removing impurities. The natural and fresh flower and fruit flavor essence can be applied to daily chemical products and has unique front tones of muskmelons, peaches and lemons, middle tones of pineapples and blackcurrants and after tones of amber, musk, oak moss and cedar, and the front tones, the middle tones and the after tones penetrate through natural flower fragrance, so that the essence has the advantage of rich fragrance levels.

The invention discloses an Empoasca vitis adult attractant and belongs to the technical field of attractants. The Empoasca vitis adult attractant comprises, by volume, 0.2-100 parts of cis-3-hexen-1-ol, 1-220 parts of cis-3-hexenyl acetate, 0.5-50 parts of trans-beta-ocimene and 0.3-50 parts of (R)-(+)-limonene. The Empoasca vitis adult attractant can effectively trap Empoasca vitis so that centralized prevention and control are realized. The Empoasca vitis adult attractant is prepared by simple processes, has a low cost and is suitable for popularization application for tea garden plantation.

The invention provides a black tea added with Chinese herbal medicines for treating the disease of chronic diarrhea. The black tea comprises the following raw materials in parts by weight: 800-1000 parts of fresh tea leaves, and the Chinese herbal medicines for treating the disease of the chronic diarrhea, wherein the Chinese herbal medicines comprise 40-60 parts of malaytea scurfpea fruits, 30-50 parts of polyporus, 40-60 parts of gordon euryale seed, 40-50 parts of costus roots, 40-60 parts of orange peel and 30-45 parts of Chinese mosla herb. According to the black tea disclosed by the invention, the Chinese herbal medicines for treating the disease of the chronic diarrhea are added to the black tea through a special technology, so that the black tea has the efficacies of preventing and treating the disease of the chronic diarrhea; a black tea fermenting technology is performed three times at different temperatures, so that substances giving out fragrant and mellow smell, such as aromatic alcohol, geraniol, benzyl alcohol, alpha-phenethyl alcohol, esters of cis-3-hexen-1-ol and methyl salicylate, are furthest reserved, and besides, hazardous substances, such as harmful germs and trans-2-hexenal, to human bodies are reduced.

The invention discloses a green tea processing technology. The technology comprises the steps of tea leaf collection, fresh leaf spreading cooling, enzyme deactivating, shaping, drying, sterilizing and fragrance enhancing, screening, and packaging and warehousing. The enzyme deactivating step comprises steam enzyme deactivating and roller enzyme deactivating, and a segmented quick cooling technology is adopted after completing the steam enzyme deactivating and roller enzyme deactivating to carry out quick cooling, so the phenol / ammonia ratio of the content in tea leaves is reduced, the proportion of tea polyphenol having bitter taste is reduced, the proportion content of free amino acid compounds for showing fresh and refreshing characteristics is improved, volatilization of cis-3-hexen-1-ol, benzyl alcohol and other volatile tea leaf fragrant substances is reduced, and the color, the smell and the taste of finished tea are improved to reach high levels.

The invention provides essence. The essence is prepared from anisic aldehyde, cis-jasmone, ebanol, michelia alba flower oil, ethyl butyrate, methyl salicylate, phenethyl alcohol, willow leaves, p-cresyl phenylacetate, cis-3-hexen-1-ol, dihydrojasmone, beta-methylnaphthonone, p-methyl anisole, peach aldehyde, dihydromyrcenol, tricyclodecenyl acetate, methyl isoeugenol, phenethyl acetate, benzyl alcohol, hexyl salicylate, benzyl acetate, galaxolide, linalool, methyl dihydrojasmonate, diphosphoglyceric acid and nerone. The essence is applied to articles for daily use, is not easy in color-changing and has a pleasant, mellow and lasting aroma.

The invention discloses a cucumber essence as well as a preparation method and application thereof. The cucumber essence is prepared by uniformly mixing ethyl acetate, ethyl butyrate, cis-3-hexenyl acetate, cis-3-hexenyl propionate, nonanal, diethyl succinate, hexaldehyde, melonal, butyl acetate, a trans-2-cis-6-nonadienal propylene glycol solution with the mass percent concentration of 10%, a cis-3-hexen-1-ol propylene glycol solution with the mass percent concentration of 1%, a geraniol propylene glycol solution with the mass percent concentration of 1%, a citral propylene glycol solution with the mass percent concentration of 10% and propylene glycol according to a certain mass percentage. The cucumber essence has the advantages that the perfume raw materials are convenient to obtain, the fragrance with the cucumber characteristic is prominent, and the cucumber essence feels greatly natural; and the cucumber essence can be used as a food additive to be added into food such as cans,dairy products and potato chips, and the product has natural cucumber fragrance and taste.

The invention discloses a corythucha ciliate say imago attractant. The functional component of the corythucha ciliate say imago attractant is cis-3-hexen-1-ol which can be used by being prepared into a cis-3-hexen-1-ol liquid paraffin solution, preferably a 0.01 [mu]g / [mu]L or 0.1 [mu]g / [mu]L cis-3-hexen-1-ol liquid paraffin solution. The corythucha ciliate say imago attractant is prepared from existing chemical products, all components have stability, additionally, a preparation method is simple, an obvious attraction effect on a corythucha ciliate say imago is achieved, and the corythucha ciliate say imago attractant is expected to be used in prevention and treatment of the corythucha ciliate say. The corythucha ciliate say imago attractant can prevent the damage of the corythucha ciliate say, in addition, the compounds in the attractant are industrial raw materials, the preparation method is simple, cost is low, the corythucha ciliate say imago attractant is safe to people and animals, and environment pollution does not occur, so that the corythucha ciliate say imago attractant has wide application prospects.

The invention provides a black tea added with Chinese herbal medicines for treating chronic insomnia. The black tea comprises the following raw materials in parts by weight: 800-1000 parts of fresh tea leaves, and the Chinese herbal medicine for treating the chronic insomnia, wherein the Chinese herbal medicines comprise 40-60 parts of radix salviae miltiorrhizae, 30-50 parts of fossilia dentis mastodi, 40-60 parts of wheat in Jianghuai areas, 40-50 parts of radix polygalae, 40-60 parts of colla corii asini and 30-45 parts of bamboo leaves. According to the black tea disclosed by the invention, the Chinese herbal medicines for treating the chronic insomnia are added to the black tea through a special technology, so that the black tea has the efficacies of preventing and treating the chronic insomnia; a black tea fermenting technology is performed three times at different temperatures, so that substances giving out fragrant and mellow smell, such as aromatic alcohol, geraniol, benzyl alcohol, alpha-phenethyl alcohol, esters of cis-3-hexen-1-ol and methyl salicylate, are furthest reserved, and besides, hazardous substances, such as harmful pathogenic bacteria and E-2-hexenal, to human bodies are reduced.

The present invention provides black tea with the addition of Chinese herbal medicines for treating migraine disease. The black tea comprises the following raw materials in parts by weight: fresh tea leaves 800-1000 parts and Chinese herbal medicines for treating migraine disease including ligusticum wallichii 40-60 parts, cyrtomium fortunei 30-50 parts, tribulus terrestris 40-60 parts, flos eriocauli 40-50 parts, radix clematidis 40-60 parts, fructus evodiae 30-45 parts and rhizoma arisaematis cum bile 30-50 parts. The Chinese herbal medicines for treating migraine disease are added into the black tea through special technology so that the black tea has effects on the prevention and treatment of migraine disease. Through three-time black tea fermentation technology with different temperature, substances (aromatic alcohol, geraniol, benzyl alcohol, alpha-phenylethyl alcohol, cis-3-Hexen-1-ol, methyl salicylate, etc.) producing mellow smell are retained to a maximum degree, and harmful bacteria, E-2-Hexenal and other harmful substances to the human body are reduced at the same time.

The invention provides a method for synthesizing leaf alcohol from m-pentadiene. The method comprises the following steps: allowing the m-pentadiene to react with carbon monoxide and hydrogen so as toprepare an intermediate, namely cis-3-hexene-1-aldehyde, and carrying out hydrogenating so as to obtain the leaf alcohol. The synthesis method for the leaf alcohol provided by the invention has the following advantages: the conversion rate of the m-pentadiene is 81.56-92.73%; the selectivity of the cis-3-hexene-1-aldehyde is 80.69-88.13%; the yield of the cis-3-hexene-1-aldehyde is 55.53-80.97%;the selectivity of the leaf alcohol is 98.36%-99.60%; the yield of the leaf alcohol is 54.94-80.35% (calculated by the m-pentadiene); and the purity of the leaf alcohol is 99.2-99.50%. According to the invention, the catalyst in the intermediate preparation stage can be recycled and reused, and after the catalyst is reused for 10 times, the fluctuation range of the yield of the leaf alcohol is within 0.4%.

The invention provides a blackthorn whitefly adult attractant, which is composed of tea tree kaimin trans-2-hexenal, 1-pentene-3-alcohol, 2-pentene-1-alcohol, trans-2-pentene Aldehyde, cis-3-hexene-1-ol and cis-3-hexene acetate in a ratio of 1:1:1:1:5:25. The present invention uses the main compound in the smell of green leaves of tea trees as a basic component to make an attractant for black thorn whitefly in tea gardens, which is loaded on a rubber head to make a lure core, and attached to a jasmine yellow sticky board to trap adult black thorn whitefly , and greatly reduce the population density of whitefly larvae of the next generation, so as to reduce the use of chemical pesticides, thereby reducing pesticide residues in tea. The method of the invention is beneficial to the environmental protection of the tea garden, the protection and effective utilization of the biological diversity of the tea garden, and the method is convenient, efficient and low in cost.

The invention discloses an adult citus longhorned beetle attractant and belongs to the technical field of forest pests. The attractant comprises 95% nonanal, 98% linalool, 90% beta-caryophyllene, 98% cis-3-hexen-1-ol and 98% alpha-farnesene in the volume ratio being (1-5):(1-5):(1-10):(1-5):(1-5). The adult citus longhorned beetle attractant is reasonable in ratio and significant in attracting effect, has the advantages of high efficiency, environment-friendliness, safety, long lasting period and the like, has great significance in protecting common tree species such as poplars, willows, citrus trees, hickories, Koelreuteria bipinnata Franchet and the like which are harmed by citus longhorned beetles, and can be widely applied to fields of protection forests, economic forests, landscaping forests, orchards and the like.

The invention discloses a multipurpose green coconut essence, which is characterized in that it mainly consists of 0.05% to 0.5% of n-butanol, 1% to 5% of trans-2-hexenal, 0.3% to 8% of leaf alcohol, butyric acid 0.1%-0.6% ethyl ester, 0.05%-0.2% benzaldehyde, 0.06%-0.1% ethyl hexanoate, 0.01%-0.15% acetic acid and other raw materials. The present invention selects a large amount of natural coconut milk as the bottom material, adds leaf alcohol, phyllyl acetate, cis-3-hexenal, trans-2-hexenal coconut green peel aroma raw materials, and adds γ-nonyl Ester, butyl-octyl lactone, coconut meat and coconut milk aroma raw material, very well mellows the coconut fragrance, making the green fragrance and freshness of coconut green skin combined with the aroma of coconut milk and coconut meat, thus forming a perfect green fragrance Fragrant and refreshing coconut flavour. In addition, the natural coconut milk in the essence is relatively high, and natural oil lemon oil is added to the overall flavor to modify it, making the coconut aroma more natural, fuller and richer, which is in line with the trend of natural and healthy essences.

The application relates to the field of daily chemical flavors, and specifically discloses a natural and refreshing floral and fruity flavor, a preparation method and an application thereof. Natural fresh floral fruity fragrance including methyl dihydrojasmonate, ambroxone, ethyl linalool, limonene, o-tert-butylcyclohexyl acetate, lilial, leaf alcohol, allyl heptanoate, leaf acetate Alcohol esters, phyllyl butyrate, methylturkone, vallutone, privet aldehyde, citral, gamma decanolactone, sweet orange oil, lemon oil, virginia cedarwood oil, and fragrance, modifier, fixative agent; its preparation method is: step 1), mixing evenly; step 2), aging; step 3), removing impurities. The natural and fresh floral and fruity essence of this application can be used in daily chemical products. It has unique top notes of melon, peach, and lemon, middle notes of pineapple and black currant, and base notes of amber, musk, oak moss, and cedar. The front, middle and back notes run through the natural floral fragrance, which makes the essence gain the advantages of rich fragrance layers.

The invention discloses an apple yoghourt flavor essence for cigarette case paperboard gold card glue, the gold card glue and a preparation method. The apple yoghourt flavor essence comprises a component A, a component B and a component C; wherein the component A is prepared from butyric acid, ethyl 2-methylbutyrate, ethyl isobutyrate, cis-3-Hexenyl lactate, trans-2-hexenal, cis-3-hexenyl acetate,benzyl acetate, cis-3-Hexen-1-ol, geranyl acetate, ethyl lactate, delta-decalactone, ethyl butyrate, hexyl acetate, hexyl alcohol, 2-methylbutyric acid, isovaleric acid, butyl butyrate and the balance propylene glycol; the component B is prepared from maltol, peach aldehyde, coconut aldehyde, milk lactone, ethyl maltol, propyl dodecalactone, ethyl vanillin, butyric acid, 2-methylbutyric acid, isovaleric acid and the balance propylene glycol; and the component C comprises nerol, benzyl alcohol, dimethyl sulfide, cis-3-Hexen-1-ol, ethyl acetate, delta-decalactone and the balance propylene glycol. According to the invention, the smell of the rubber material can be reduced, the fragrance retention time is long, the unpacking fragrance intensity is high, the smoking quality is improved, and the individual requirements of consumers are met.

The invention discloses Chinese wolfberry fruit essence. The Chinese wolfberry fruit essence consists of the following components of ethyl acetate, isovaleraldehyde, 1-penten-3-ol, 3-pentanone, carbinol (acetyl), n-pentanol, 2-pentene-1-ol, prenyl alcohol, caproaldehyde, furfural, leaf alcohol (cis-3-Hexen-1-ol), furfuryl alcohol, trans-2-hexenol, hexyl alcohol, 2-heptanone, 2-acetylfuran, hexanoate, hyacinthin, 2-nonanone, linalool (linhasol), phenethyl alcohol, salicylic acid isopropyl esters, 4-hydroxy-3-methoxystyrene, geranylacetone, ethyl 4-hydroxybenzoate, methyl hexadecanoate, methyl oleate and propylene glycol. The Chinese wolfberry fruit essence disclosed by the invention is stable in quality and natural in flavor.

The invention provides an interference repellent for leguminivora glycinivorella, and also discloses a preparation method for the interference repellent. The interference repellent is prepared from leaf alcohol, cis-3-hexenyl acetate, cis-3-hexenyl ester n-valerate, (E)-butyric acid-3-hexenyl ester, ocimenum, (Z)-propionic acid-3-hexenyl ester, alpha-farnesene, methyl jasmonate, n-hexane or dimethylbenzene and the like. The interference repellent has reasonable components, is an environment-friendly biological interference repellent, has a simple preparation method and a good prevention and control effect, is safe for crops and natural enemies, cannot make insects generate resistance, is environment-friendly and convenient to apply and popularize, and has a wide market prospect and obvious economic, ecological and social benefits.

The invention provides a black tea added with Chinese herbal medicines for treating the disease of chronic pelvic inflammation. The black tea comprises the following raw materials in parts by weight: 800-1000 parts of fresh tea leaves and Chinese herbal medicines for treating the disease of the chronic pelvic inflammation, wherein the Chinese herbal medicines comprise 40-60 parts of cortex moutan, 30-50 parts of herba patriniae, 40-60 parts of prepared nutgrass galingale rhizomes, 40-50 parts of cowherb seed, 40-60 parts of safflowers and 30-45 parts of Chinese pulsatilla roots. According to the black tea disclosed by the invention, the Chinese herbal medicines for treating the disease of the chronic pelvic inflammation are added to the black tea through a special technology, so that the black tea has the efficacy of preventing and treating the disease of the chronic pelvic inflammation; a black tea fermenting technology is performed three times at different temperatures, so that substances giving out fragrant and mellow smell, such as aromatic alcohol, geraniol, benzyl alcohol, alpha-phenethyl alcohol, esters of cis-3-hexen-1-ol and methyl salicylate, are furthest reserved, and besides, substances, such as harmful germs and trans-2-hexenal, harm to human bodies are reduced.

The invention provides oriental cherry essence for foods. The oriental cherry essence for foods is mainly prepared from the following raw materials in percentage by weight: 0.5%-1% of limonene, 0.45%-0.85% of beta-ionone, 0.01%-0.05% of alpha-damascone, 0.05%-0.12% of beta-damascone, 0.4%-1% of methyl dihydrojasmonate, 0.08%-0.15% of ethyl phenylacetate, 0.2%-0.5% of michelia alba absolute oil, 0.1%-0.2% of phenylethyl acetate, 0.1%-0.2% of geraniol, 0.1%-0.2% of eugenol, 0.05-0.1% of nonylaldehyde, 0.05%-0.15% of phenethyl alcohol, 0.005%-0.01% of rose ester, 0.2%-0.5% of benzyldimethylcarbinyl butyrate, 0.01%-0.03% of cis-3-hexen-1-ol, 0.03%-0.08% of benzyl acetate, 0.0002%-0.0006% of trans-2-cis-6-nonadienal, 0.01%-0.05% of jasmine flower absolute oil and the like. The oriental cherry essence disclosed by the invention has fresh elegant flower fragrance flavor, is pure and natural in fragrance, comfortable in mouth feel and long-lasting in fragrance retention, can be applied to foods of pastries, beverages, granular medicines, sweets and the like for fragrance increment, and can effectively meet requirements of vast consumers.