50 results about "ISOAMYL BUTYRATE" patented technology

The invention provides a base which can be combined with multiple fruit essences and enable the fruit essences to generate sweetness and aroma. The base contains 2-10% of isoamyl isovalerate, 10-20% of isoamyl acetate, 15-20% of ethyl acetate, 10-20% of butyl acetate, 1-2% of sweet orange oil, 0.8-1.5% of lemon oil, 10-20% of isoamyl butyrate and 20-30% of ethyl butyrate. The base can be used in food, tobaccos and daily necessities, such as toothpaste, shampoo, toilet soap and the like.

The invention discloses natural banana essence. The natural banana essence is characterized by comprising the following components in weight percentages: 12-15% of isoamyl acetate, 6-9% of isoamyl butyrate, 0.10-0.15% of benzyl propionate, 0.01-0.02% of methyl heptine carbonate, 0.035-0.05% of gamma-decalactone, 0.05-0.08% of isobutyric acid cinnamyl ester, 0.1-0.15% of hexenyl acetate, 0.03-0.05% of isoamyl hexanoate, 0.5-1% of banana concentrate, 0.01-0.03% of acetal and 80.385-73.19% of propylene glycol. The natural banana essence overcomes a shortcoming of unnatural and impure flavor of the traditional banana essence formulation, and the banana essence also has more natural flavor by adding raw materials such as the banana concentrate, the gamma-decalactone, the methyl heptine carbonate and the like.

The invention relates to paint, and particularly relates to high temperature-resistant acid-resistant anti-corrosion priming paint. The high temperature-resistant acid-resistant anti-corrosion priming paint is prepared from the following raw materials in parts by weight: 12-14 parts of E-12 epoxide resin, 20-24 parts of organic silicon resin, 10-12 parts of amine resin, 3-5 parts of mica powder, 1-2 parts of polyhexamethylene guanidine hydrochloride, 25-30 parts of epoxy acrylate, 2-3 parts of hydroxyethyl methacrylate phosphate, 5-8 parts of isobornyl acrylate, 1-2 parts of triethanolamine, 3-4 parts of p-tert-pentylphenol, 3-4 parts of methyl acrylate, 1-2 parts of cross-linking agents TAIC (Triallyl Isocyanurate), 8-10 parts of isoamyl butyrate, 24-28 parts of nanometer diatomite powder, 7-9 parts of linseed alkyd resin, 1-2 parts of anti-aging agents NBC, 2-3 parts of isocyanate, 2-3 parts of zinc naphthenate, 5-6 parts of auxiliary agents, 10-12 parts of dimethylbenzene and 10-12 parts of butyl acetate. The high temperature-resistant acid-resistant anti-corrosion priming paint disclosed by the invention has the advantages of high paint adhesive force, brightness in paint film colour and lustre, fast drying, high-temperature damage endurance, acid resistance, anti-corrosion and long service life and is priming paint with excellent comprehensive property.

The invention discloses banana essence. The banana essence consists of the following components in percentage by weight: 84-95% of natural banana spices, 0.01-2% of methyl acetate, 0.01-1% of butyl acetate, 0.01-1.2% of butanol, 0.1-0.8% of ethyl butyrate, 0.1-1.5% of amyl butyrate, 0.01-1% of ethyl acetate, 0.01-1.2% of isoamyl acetate, 0.01-1% of isoamyl butyrate, 0.01-5% of ethanol, 0.1-1.5% of acetaldehyde, and 0.01-5% of propylene glycol. The banana essence is stable in quality, and high and natural in flavor and fragrance.

The invention provides a tea aroma essence used for tobaccos. The tea aroma essence is prepared by mixing the following raw material ingredients in parts by weight: 35.8-57.2 parts of 95% ethyl alcohol, 0.1-0.2 part of Peru extract, 0.5-1 part of 10% Tolu extract, 0.1-0.3 part of geraniol, 0.1-0.2 part of citronellol, 0.1-0.2 part of rhodinol, 0.1-0.3 part of linalool, 0.1-0.2 part of 2-methylvaleric acid, 0.2-0.3 part of linalyl acetate, 3-4 parts of flos cananga odorata extractive, 8-10 parts of tea extract, 0.1-0.2 part of ethyl maltol, 0.2-0.3 part of vanillin, 0.2-0.3 part of methyl cyclopentenolone, 0.1-0.2 part of geranium oil, 0.2-0.3 part of clove bud oil, 0.1-0.2 part of lavender essential oil, 0.3-0.5 part of ethyl butyrate, 0.1-0.2 part of ethyl oenanthate, 0.2-0.3 part of isoamyl butyrate, 1-2 parts of 1% 2,3,5-trimethyl pyrazine, 6-10 parts of propanediol, 6-10 parts of water, 8-10 parts of licorice elixir, 5-8 parts of ficus carica tincture and 3-5 parts of arhat fruit tincture. According to the tea aroma essence, the aroma of the tea aroma essence is thick, and consumers can easily perceive the aroma.

The invention discloses a banana essence. The banana essence is characterized by being prepared from, by weight, 0.2-0.4% of vanillin, 8-10% of isoamyl acetate, 0.05-0.08% of linalyl acetate, 0.06-0.08% of linalool, 0.1-0.25% of benzyl acetate, 1.1-1.3% of ethyl butyrate, 2-2.5% of isoamyl butyrate, 0.3-0.4% of ethyl caproate, 0.05-0.1% of eugenol, 0.01-0.03% of citral, 5-7% of sweet orange base, 0.002-0.008% of furanone, 60-65% of ethyl alcohol and the balance distilled water. The banana essence has the advantages of being simple in formula, pure in fragrance, low in cost, especially suitable for being applied to frozen food, and capable of bringing a strong summer freshness sense to people.

The invention discloses a UV light curing hardware coating which comprises raw materials in parts by weight as follows: 45-50 parts of polyester acrylate, 20-25 parts of metacrylic acid ester, 10-14 parts of ethyl acetate, 3-4 parts of thiol polyorganosiloxane, 10-12 parts of dipentaerythritol hexaacrylate, 1-2 parts of a silane coupling agent KH560, 12-14 parts of tricresyl phosphate, 1-2 parts of methyl methacrylate, 3-5 parts of ethylene glycol monoethyl ether acetate, 1-2 parts of isoamyl butyrate, 4-6 parts of a photoinitiator 2959, 1-2 parts of manganese acetate and 4-5 parts of a dispersing auxiliary. According to the UV curing hardware coating, polyester acrylate and metacrylic acid ester are adopted as main materials, and plasticization and reinforcement substances such as tricresyl phosphate, manganese acetate and the like are added, so that the obtained coating has good cohesiveness, strong abrasive resistance, acid-base resistance, corrosion resistance and insulation; the UV coating is suitable for being used as the priming paint of hardware, zinc alloy, aluminum alloy and stainless steel and used as vacuum plating UV coating, the coating has durable performance, is superior to coatings for decorations of an automobile, a motorbike, a mobile phone and an electronic component in the market, and is strong in universality and high in curing speed; and the UV curing hardware coating has high production efficiency, saves cost and is simple in production process.

The invention belongs to the technical field of fuel additives, and particularly relates to an energy-saving vehicle fuel additive. The energy-saving vehicle fuel additive is prepared from, by weight, 10-18 parts of glycerin monostearate, 8-16 parts of methyl tert butyl ether, 6-14 parts of 2-tertiary butylhydroquinone, 5-10 parts of isoamyl butyrate, 4-12 parts of glyceryl triacetate, 3-11 parts of clearing agent and 1-8 parts of corrosion resistant. By means of the additive, fuel is fully burned, the burning efficiency is improved, fuel is saved, the cost is reduced, and discharging reduction and environment protection are achieved; meanwhile, the energy-saving vehicle fuel additive also has the effects of resisting knocking, corrosion and oxidation, lubricating and dispersing.

The invention relates to an attractant for male and female fruit flies and melon flies. The attractant is characterized in that the attractant is fructone and / or butyric acid isoamylester. Preferably, the attractant is mixture of fructone and butyric acid isoamylester in a weight ratio of 1-2: 1. That the chemical pheromone attractants for fruit flies and melon flies are butyric acid isoamylester and fructone is discovered and identified for the first time; and a dosage of 0.1 to 10 g of the attractant exerts trapping and killing effects on male and female fruit flies and melon flies, and the amount of trapped female imagoes is higher than the amount of trapped male imagoes. Thus, the attractant is of greater significance to forecasting and control.

The invention relates to a self-cleaning UV (ultraviolet) photocuring paint which is prepared from the following raw materials in parts by weight: 30-36 parts of epoxy acrylic resin, 5-8 parts of nano silicon dioxide, 18-22 parts of phenol aldehyde epoxy acrylate photosensitive resin, 6-9 parts of cardanol, 0.5-1 part of silane coupling agent KH-550, 6-9 parts of styrene, 4-7 parts of isoamyl butyrate, 16-19 parts of pentaerythritol triacrylate, 2-3 parts of diphenyl ketone, 5-7 parts of 2-hydroxyethyl acrylate and 4-5 parts of assistant. The UV (ultraviolet) photocuring paint has excellent binding property of the epoxy resin; by adding the cardanol, the toughness and hydrophobicity of the resin are enhanced, so that the paint has favorable water resistance; by adding the nano silicon dioxide, the anti-fouling and self-cleaning properties are enhanced; and the paint has the advantages of favorable dispersivity, favorable wear resistance and low tendency to yellowing, and is easy for application. The assistant enhances the dispersivity of the paint, so that the UV (ultraviolet) photocuring paint has favorable leveling property and the coating formed by the paint is smooth and bright.

The invention relates to an oil paint, and particularly relates to a high temperature resistant acid-resisting anticorrosive primer. The primer is prepared from following raw materials in parts by weight: 12-14 parts of E-12 epoxy resin, 20-24 parts of organic silicon resin, 10-12 parts of amino resin, 3-5 parts of mica powder, 1-2 parts of poly hexamethylene guanidinium hydrochloride, 25-30 parts of epoxy acrylate, 2-3 parts of ethoxyl methacrylate phosphate, 5-8 parts of isobornyl acrylate, 1-2 parts of triethanolamine, 3-4 parts of 4-tert-amylphenol, 3-4 parts of acrylic acid methyl ester, 1-2 parts of cross-linking agent TAIC, 8-10 parts of isoamyl butyrate, 24-28 parts of nanometer diatomite powder, 7-9 parts of linseed oil alkyd resin, 1-2 parts of antiager NBC, 2-3 parts of isocyanate, 2-3 parts of zinc naphthenate, 5-6 parts of additive, 10-12 parts of xylene, and 10-12 parts of butyl acetate. The primer has strong adhesive force, can form bright film, is dried rapidly, can bear high temperature damage, resists acid and corrosion, has long service life, and has excellent comprehensive performance.

The invention relates to an environment-friendly paint which is prepared from the following components in parts by weight: 2-6 parts of castor oil, 1-3 parts of pearl essence, 10-15 parts of glycol ether acetate, 5-10 parts of isoamyl butyrate, 5-10 parts of ethylene glycol monobutyl ether, 5-15 parts of methyl isobutyl carbinol, 3-6 parts of methyl cellulose, 1-2 parts of tourmaline, 10-15 parts of titanium white, 20-25 parts of butyl glycidyl ether, 1-2 parts of alum, 3-8 parts of kaolin, 10-15 parts of potassium silicate, 10-15 parts of styrene-acrylic emulsion, 1-5 parts of lime and 5-10 parts of chloroprene rubber. The paint provided by the invention contains less harmful substances, has favorable air permeability, and can enable anions in the paint to be dispersed uniformly and adsorbed firmly.

The invention discloses banana essence and a preparation method thereof, and relates to the field of food additives. The banana essence is prepared from the following components by weight percent: 15-20% of isoamyl acetate, 5-8% of isoamyl butyrate, 1-2% of ethyl butyrate, 0.5-2% of ethyl acetate, 0.5-2% of ethyl hexanoate, 1-2% of vanillin, 1-2% of sweet orange oil, 5-10% of a banana extract andthe balance of ethanol, wherein the sum of the weight percents is 100%. The banana extract is added into the banana essence, so that the banana essence is more authentic in fragrance and has natural,fresh and soft texture; the banana extract also contains certain nutrients such as trace elements, vitamins and amino acids, thus being capable of supplementing the nutrition needed by a human body; the banana extract is extracted by the steps of enzymolysis, microwave extraction, centrifugation, absorption and elution, and concentration; the whole extraction process is low in operation temperature and short in heating time, thus reducing the loss of aroma substances; by adopting vacuum low-temperature concentration, the concentration stability is improved, and the release time of fragrance can be prolonged.

The invention discloses a banana essence formula for a dairy product. The banana essence is mainly prepared from the following components: cream esterified esters, isoamyl acetate, isoamyl isovalerate, vanillin, isoamyl butyrate, ethyl caproate, ethyl butyrate, ethyl caprylate, citral and heliotropin. The banana essence prepared by the formula has the obvious advantages that by utilizing the cream esterified esters which are natural and have strong binding capability with the dairy product as a raw material, on one hand, the natural feeling of the banana essence can be strengthened, and on the other hand, the banana essence can be well bonded with the dairy product, so that the problem that fragrance is wafted to be separated from the theme of a beverage is solved.

The invention discloses a mechanical paint printing adhesive. The mechanical paint printing adhesive is prepared from the following materials in parts by weight: 20-25 parts of bisphenol A epoxy acrylic ester, 5-6 parts of methylacrylic acid, 12-14 parts of methyl methacrylate, 7-9 parts of ethyl methacrylate, 6-8 parts of glycidyl acrylate, 10-12 parts of polyethylene glycol, 8-10 parts of ethylene glycol monoethyl ether acetate, 4-6 parts of isoamyl butyrate, 1-2 parts of sodium allysulfonate, 6-8 parts of 24-methylene cycloartanyl, 1-2 parts of ammonium persulfate, 4-5 parts of auxiliaries and 70-75 parts of water. The adhesive disclosed by the invention has performances of being high in strength, good in firmness, good in elasticity, soft in hand feeling, slow in drying without blocking a screen, and easy to clean, and is suitable for mechanical lithographic printing as well as screen roller printing; meanwhile, the mechanical paint printing adhesive has the advantages of being capable of being used for manual printing paint, and the like.

The invention belongs to the technical field of fuels and particularly relates to an alcohol-based fuel capable of reducing the emission of sulfur dioxide. The alcohol-based fuel is prepared from the following raw materials in parts by weight: 62-86 parts of methanol, 12-24 parts of diesel oil, 0.6-1.8 parts of p-tert-butylcatechol, 0.5-1.7 parts of 2,4-dimethylaniline, 0.4-1.6 parts of methyl heptenone, 0.3-0.9 part of glyceryl triacetate, 0.1-0.7 part of glycerin monostearate, 0.01-0.07 part of isoamyl butyrate, 0.03-0.15 part of a cetane number improver and 0.1-1.3 parts of a clearing agent. The alcohol-based fuel has the effects of resisting oxidization, helping combustion, resisting corrosion, dispersing, clearing, increasing the cetane number and the like, and the emission of sulfur dioxide can be remarkably reduced.

The invention provides an edible essence for children's toothpaste. The edible essence consists of 2-nonanone, 2-undecanone, pentanedione, butanedione, cis-3-hexenyl acetate, isoamyl acetate, ethyl pelargonate, isoamyl butyrate, linalyl acetate, methyl heptincarbonate, isoamyl isovalerate, ethyl butyrate, 4-methyl-5-thiazolylethyl acetate, butyl acetate, ethyl acetate, gamma-decalactone, delta-nonanolide, delta-undecalactone, cis-6-hydroxynonenal, heliotropin, acetaldehyde, mercaptan, leaf alcohol, linalool, vanillin, ethyl vanillin, ethyl maltol, eugenol, caryophyllene, butyric acid, capric acid, caproic acid, n-nonanoic acid, pineapple furanone, dimethyl sulfide, Vanilla bean tincture, clove bud oil, sweet orange oil, lemon oil, petitgrain oil and a solvent. The invention provides a preparation method of the essence. The preparation method comprises the following steps of adding the various raw materials into a container in sequence according to a formula ratio, and stirring the raw materials uniformly to obtain the edible essence for the children's toothpaste. The edible essence has a milk flavor and a banana fruit flavor, and is strong in characteristic aroma, strong in natural feeling, and soft, fine and smooth in fragrance.

The invention discloses a breakdown-resistant and small-size isotatic polypropylene capacitor metalized film which is characterized by being prepared from the following raw materials in parts by weight: 200 parts of isotatic polypropylene, 12-14 parts of high-density polyethylene, 2-3 parts of talcum powder, 4-6 parts of turpentine, 2-3 parts of isoamyl butyrate, 1-2 parts of sodium allysulfonate, 1-2 parts of nano-clay, 1-2 parts of stearic acid, 3-4 parts of glycerol triacetate and 5-6 parts of auxiliaries. The breakdown-resistant and small-size isotatic polypropylene capacitor metalized film is simple in processing technology; and a film capacitor prepared from the breakdown-resistant and small-size isotatic polypropylene capacitor metalized film is low in contact resistance, so that the product feature is good, the prepared capacitor is relatively small in size and also has relatively good high-temperature stability; impurities in raw materials are removed through filtering, so that the performances of the raw materials are good, the scrap rate of the film is reduced, and the film is not easy to fracture; and the film is subjected to corona treatment, so that the compression strength of the film is improved, the film is prevented from being broken down, and the service life of the film is prolonged.

The invention discloses a formula of a shiitake-flavor essence. The formula comprises, by weight, 5-10 parts of butyl butyrate, 10-15 parts of isoamyl butyrate, 2-8 parts of dimethyl sulfide, 3-9 parts of dimethyl disulfide, 2-10 parts of 1-octen-3-ol, 1-4 parts of 2-propionylthiazole, 3-8 parts of butyl lactate, 2-9 parts of oleic acid, 6-15 parts of medium-chain triglyceride, 2-9 parts of cis-4-heptenal, 5-14 parts of farnesene, 3-8 parts of ethyl hexanoate, 3-6 parts of phenethyl alcohol, 3-10 parts of tetradecanoic acid and 4-10 parts of bay leaf oil. The cis-4-heptenal, farnesene and ethyl hexanoate are added, the cis-4-heptenal has the fragrance of green grass and grease, and has the fragrance of cream after being diluted, so the shiitake fragrance of the shiitake essence is increased; the farnesene has fresh fragrance and floral fragrance, and can provide natural fragrance, so the shiitake fragrance of the shiitake essence is natural; and the ethyl hexanoate naturally exists infruits such as pineapples, and has the pineapple fragrance, so the fragrance richness of the shiitake essence is improved.

An anti-pollution coating for outer walls is prepared from raw materials in parts by weight as follows: 6-17 parts of glutathione, 4-9 parts of caprylic acid, 2-5 parts of ethylene glycol, 3-11 parts of propylene glycol, 2-4 parts of methylcellulose, 7-9 parts of a styrene-acrylic emulsion, 3-4 parts of butyl cellosolve, 1-3 parts of silicon oxide spheres, 2-3 parts of an anti-settling agent, 3-7 parts of isoamyl n-butyrate, 6-18 parts of lead powder, 7-11 parts of organic silicon resin, 2-4 parts of submicron zinc powder and 1-5 parts of dibutyltin dilaurate. The anti-pollution coating has the benefits as follows: the anti-pollution coating for the outer walls can prevent fading, is good in stability, can prevent surfaces of the walls from falling off and can effectively prevent the surfaces of the walls from being polluted.

The invention provides a printing paste used in the absorption of an electrode scale and for manufacturing a laminated ceramic electronic component. The invention is characterized in that the printing paste is used together with a ceramic plate which contains the butyral resin or the acrylic resin and has a thickness of less than 5Mum and contains ceramic powder and organic paint vehicle, wherein, the solvent of the organic paint vehicle contains a aliphatic hydrocarbon which is selected form one or more of the isobornyl acrylate, the isoamyl butyrate and the isobornyl isobutyrate and a carbon atomicity ranging from 5 to 40. The invention provides the printing paste used in the absorption of an electrode scale and for manufacturing a laminated ceramic electronic component. When the ceramic plate becomes thinner, even in the temperature (for example 40-90 DEG C) for the drying of the solvent, the sheet can be effectively prevented from being eroded, so the case in the room temperature does not need to be mentioned.

The invention provides a banana-flavored food additive, which is prepared from the following components in parts by weight: 0.5 to 1.5 parts of isoamyl acetate, 0.2 to 0.4 part of isoamyl butyrate, 2 to 3.5 parts of ethyl acetate, 0.2 to 0.5 part of ethyl laurate, 0.5 to 0.8 part of butanedione, 0.2 to 0.7 part of butyl butyrate, 0.3 to 1.2 parts of 2,3-acetyl isobutyryl, 0.05 to 1.05 parts of anisyl acetate, 0.5 to 2.5 parts of cinnamon oil, 1 to 3 parts of ethyl butyrate, 25 to 35 parts of tangerine oil, 0.5 to 2.5 parts of sweet orange oil and a proper amount of ethanol. The food additive is favorable for food processing operation, and requirements of different populations are met.

The invention provides a banana essence. The banana essence comprises following raw materials: a banana extract, clove oil, lemon oil, sweet orange oil, ethyl acetate, butyl butyrate, isoamyl butyrate, butyl formate, myrcene, terpinene, vanillin, cis-3 hexenol, styralyl acetate, propylene glycol and ethanol. The banana essence is soft, mellow and thick in fragrance, stable in properties, and natural in flavor, is capable of providing consumers with the fragrance feel close to that of fresh bananas, is high in consumer approval degree, can be added into food and beverage as a food additive, andis capable of providing products with natural banana fragrance and mouthfeel, so that the produced products are welcomed by consumers.

The invention discloses a banana essence, which is characterized in that the components and weight percentages of the banana essence are: 0.2-0.4% of vanillin, 8-10% of isoamyl acetate, and 0.05-0.08% of linalyl acetate , Linalool 0.06~0.08%, Benzyl Acetate 0.1~0.25%, Ethyl Butyrate 1.1~1.3%, Isoamyl Butyrate 2~2.5%, Ethyl Caproate 0.3~0.4%, Eugenol 0.05~0.1% %, 0.01-0.03% citral, 5-7% sweet orange bis, 0.002-0.008% furanone, 60-65% ethanol, and the rest is distilled water. The invention has the advantages that the banana essence has simple formula, pure aroma and low cost, and is especially suitable for ice products, giving people a strong feeling of coolness in summer.

The invention discloses natural banana essence. The natural banana essence is characterized by comprising the following components in weight percentages: 12-15% of isoamyl acetate, 6-9% of isoamyl butyrate, 0.10-0.15% of benzyl propionate, 0.01-0.02% of methyl heptine carbonate, 0.035-0.05% of gamma-decalactone, 0.05-0.08% of isobutyric acid cinnamyl ester, 0.1-0.15% of hexenyl acetate, 0.03-0.05% of isoamyl hexanoate, 0.5-1% of banana concentrate, 0.01-0.03% of acetal and 80.385-73.19% of propylene glycol. The natural banana essence overcomes a shortcoming of unnatural and impure flavor of the traditional banana essence formulation, and the banana essence also has more natural flavor by adding raw materials such as the banana concentrate, the gamma-decalactone, the methyl heptine carbonate and the like.

The invention relates to a low-emission fuel additive and a preparation method thereof. The low-emission fuel additive is prepared from the following components in parts by weight: 40-65 parts of glycerin monostearate, 4-12 parts of glycerin triacetate, 15-25 parts of dimethyl sulfate, 35-50 parts of cyclohexylamine, 5-15 parts of isooctyl nitrate, 5-10 parts of isoamyl butyrate, 25-50 parts of polyacrylamide, 35-50 parts of sec-butyl methyl ether and 1-9 parts of methacrylamide. After being added into fuel, the low-emission fuel additive provided by the invention can obviously reduce the emission rate of CO, smoke and NOX during burning, and enables the fuel to be fully burnt, thus increasing the combustion efficiency, saving the fuel, lowering the cost and achieving the aims of reducingemission and protecting the environment; furthermore, the low-emission fuel additive can remarkably improve the emission of pollutants produced after fuel combustion, thus being more energy-saving andenvironmentally friendly.

The invention discloses banana essence and a preparation method thereof, and relates to the field of food additives. The banana essence is prepared from the following components by weight percent: 15-20% of isoamyl acetate, 5-8% of isoamyl butyrate, 1-2% of ethyl butyrate, 0.5-2% of ethyl acetate, 0.5-2% of ethyl hexanoate, 1-2% of vanillin, 1-2% of sweet orange oil, 5-10% of a banana extract andthe balance of ethanol, wherein the sum of the weight percents is 100%. The banana extract is added into the banana essence, so that the banana essence is more authentic in fragrance and has natural,fresh and soft texture; the banana extract also contains certain nutrients such as trace elements, vitamins and amino acids, thus being capable of supplementing the nutrition needed by a human body; the banana extract is extracted by the steps of enzymolysis, microwave extraction, centrifugation, absorption and elution, and concentration; the whole extraction process is low in operation temperature and short in heating time, thus reducing the loss of aroma substances; by adopting vacuum low-temperature concentration, the concentration stability is improved, and the release time of fragrance can be prolonged.

The invention relates to an essence, particularly a perfuming essence for enhancing cigarette fruit sweetness. The perfuming essence is prepared by mixing the following raw materials in percentage by mass: 0.2-0.8% of isoamyl acetate, 1.2-1.8% of ethyl 2-methylbutyrate, 0.1-0.3% of hexanal, 0.1-0.3% of allyl caproate, 0.5-2% of ethyl 3-methylthiopropionate, 4.0-7.0% of pineapple ketone, 0.2-0.8% of cis-3-hexenyl acetate, 0.5-5.0% of isoamyl butyrate, 0.1-5.0% of ethyl vanillin, 0.01-0.3% of alpha-ionone, 0.01-0.3% of beta-damascone, 0.1-0.8% of neroli, 3.0-5.0% of raspberry extract, 4.0-6.0% of red date extract, 5.0-7.0% of zimbabwe tobacco extract, 3.0-6.0% of galbanum extract, 15.0-25.0% of propanediol and 25.9-61.98% of 70% ethanol. The perfuming essence solves the problems of single aroma, obvious impure gas and obvious irritation in the existing cigarettes. The perfuming essence enhances the aroma quantity of the cigarettes, endows the cigarettes with fruit sweetness, has abundant aroma, reduces the impure gas, lowers the irritation, and greatly enhances the esthetic quality of the cigarettes.

The essence comprises a fruit sweet agent, a fruit aroma agent, a flower aroma agent and a phagostimulant which are mixed in a solvent, the fruit sweet agent comprises a flavoring agent, fructosan, fructosan ester and fructosan oil, the fructosan ester comprises one or more of ethyl butyrate, isoamyl acetate or isoamyl butyrate, and the fructosan oil comprises one or more of ethyl butyrate, isoamyl acetate and isoamyl butyrate. The fruit aroma agent comprises fruit aroma ester, fruit aroma alcohol, fruit aroma acid and fruit aroma aldehyde, and the fruit aroma ester comprises one or more of benzyl acetate, ethyl benzoate, methyl cinnamate, methyl anthranilate and leaf acetate. The Leckia odorata essence for the bait has rich and transparent unique Leckia odorata spicy flavor, the fragrance is rich and lasting, the main body characteristic flavor is comfortable, and the sense of temptation is full. The fish bait is a special product for attracting the fish bait, and can effectively meet the requirements of a large number of fishing enthusiasts.

The invention relates to banana essence. The banana essence consists of isoamyl acetate, eugenol, maltol, isoamyl butyrate, ethyl butyrate, isobutyl acetate, ethyl acetate, sweet orange oil, caproaldehyde, methyl heptine carbonate, trans-2-hexenal, leaf alcohol, ethyl alcohol and propylene glycol. The invention further provides a preparation method of the banana essence. The preparation method comprises the following steps of weighing reaction raw materials in percentage by mass; and heating the raw materials in a sandwich pot, and performing stirring until the raw materials completely and uniformly dissolve, so as to obtain the banana essence. After the essence is added, the vivid degree, the natural sense and the characteristic scent of banana taste in foods are significantly improved, and the candy smell of bananas is obviously reduced.