78results about How to "Pure smell" patented technology

The present invention discloses a dry method for refining balsam and essential oil from aromatic plants, aromatic plants are refined and put in a device, a heating chamber (4) is connected with an evaporating chamber (1) through a pipeline, the evaporating chamber (1) is connected with an extraction chamber (2) through a pipeline, the extraction chamber (2) is connected with a blower (3) through a pipeline, the blower (3) is connected with the heating chamber (4) through a pipeline, and a sealed circulation loop device is formed. The hot blast temperature is controlled between 60 DEG C and 90 DEG C, the wind speed is controlled at 1 meter to 15 meters per minutes, the inlet temperature of a condensing reed pipe (23) is 3 DEG C to 25 DEG C, and balsam and essential oil can be collected in a discharge pipe(24). In the present invention, no water, special gas and organic solvent are added into raw material, balsam and essential oil which are refined are uncorrupt in smell, small in equipment volume, simply in art, high in efficiency, low in energy consumption, simply in operation and high in production efficiency; no pollution material is discharged, no cooking water and steam are consumed, balsam after being refined can be used as additive of food, drink and condiment, and used for hairdressing, face-painting, bath, and health care, in addition, the aromatic plants after being refined balsam and essential oil is in the dry shape and reserved in a whole, then can be used sequentially, thereby saving resources.

The invention discloses a technology for the steam explosion treatment of a yellow wood fruit and the comprehensive utilization of grease and flavone thereof, and the like. In the method, the yellow wood fruit is firstly arranged in a steam explosion reactor and is pumped with saturated steam for treatment for 3 to 10 minutes under the pressure condition of 1.4MPa to 2.0MPa; then the mixture is quickly discharged from the reactor for explosion; a blank obtained through the steam explosion is naturally dried or arranged in a drying box for drying; an organic solvent is added for reflux extraction; a rotary evaporator is used for decompressing and evaporation; the solvent is recycled, thus obtaining the oil of the yellow wood fruit. An ethanol liquid is added into the oil meal and then a flavone liquid is obtained through reflux extraction. The remainder after extracting the grease and the flavone are manufactured into active carbon through thermal treatment, thus realizing the comprehensive utilization of the yellow wood fruit.

A process for extracting and refining lavender oil includes such steps as supercritical CO2 extracting, temp-controlled three-stage rectifying for lowering pressure, analyzing for further lowering pressure, and regulating the temp of CO2 to remove wax.

A viscose fiber used for the tip filter of cigarette with high tar filtering effect is one of curved viscose cotton fiber, curved viscose wooden fiber and curved viscose bamboo fiber. Its preparing process includes such steps as preparing viscose containing titanium oxide powder, spinning, stretching, water washing, desulfurizing with sodium sulfite, water washing, bleaching, dechlorinating, oiling and baking. Its spinneret's orifice has a shaped cross-section or a circular cross-section with a core.

The invention relates to the food processing technology, in particular relates to a method for removing 5-hydroxymethyl furfural (5-HMF) in high-fructose corn syrup (HFCS), and belongs to the technical field of food chemistry. The method comprises the following steps: (1) feed liquid pretreatment: the chromaticity of the HFCS is controlled at below 30RBU; (2) adsorption: the 5-HMF content in the HFCS discharged from an adsorption column is less than 5mg / kg; (3) ion exchange: the electrical conductivity of the HFCS discharged from an ion exchange column is less than 5mu s / cm, and the PH value of the HFCS is 3-8; (4) deodorization: the chromaticity of the HFCS is less than 5RBU, and the light transmittance of the HFCS is more than 99%; and (5) concentration: the deodorized HFCS is evaporated by an evaporator so as to obtain the finished product of the HFCS with the mass concentration of 75-78%. The method has the advantages of simple process flow, low production cost and obvious removal effect of the 5-HMF (the content is less than 5mg / kg), and the adopted adsorbent can be reused after treatment.

The present invention relates to a method for enzymaticly digesting porcine fat, wherein fat cells are fragmented by using an ultrasonic wave-assisted enzymatic digestion method. The present invention also provides a method that is based on the foregoing method and that is for further refinement of advanced edible lard and fat tissue protein hydrolysate. The method comprises: extracting lard in in a cryogenic condition; obtaining the advanced edible lard after refining the lard; and obtaining a sauce by performing homogenizing, flavouring, thermal reacting, filling, and sterilizing on the protein hydrolysate obtained during enzymatic extraction.

The invention belongs to the field of edible oil products, and in particular relates to DHA-containing corn oil special for pregnant and nursing women and a preparation method thereof. The invention adopts the technical scheme that the corn oil special for the pregnant and nursing women contains DHA. The corn oil comprises the following components in percentage by weight: 0.8 to 2.5 percent of DHA and EPA in a total amount and the balance of corn oil, wherein the weight part ratio of the DHA to the EPA is 5 to 4. The invention also provides a preparation method for the corn oil special for the pregnant and nursing women. The corn oil provides more nutrient substances for the pregnant and nursing women, and balances the nutrient composition in the grease so that the nutrient components therein are closer to the nutrient structure of the human body and can meet the requirement of brain growth of embryos and nursing children for the DHA.

The invention relates to a tobacco stem modified processing method for paper-making process reconstituted tobaccos. The method includes the steps that soft chemical modified processing is firstly carried out on solid matter parts obtained after extraction processing on tobacco stems with alkali or alkaline organic salt, and then modified solid matter parts obtained after solid-liquid separation are used for manufacturing the reconstituted tobaccos; and soft chemical modified processing is characterized in that the alkali or the alkaline organic salt which is 0.2%-5.0% of the solid matter oven dry weight is mixed into a solution with the mass ratio concentration being 10%-12%, preheating is carried out until the temperature ranges from 30 DEG C to 70 DEG C, and the solution is added into solid matter. By means of the tobacco stem modified processing method, the quality of tobacco stem components can be improved and enhanced, the using value of tobacco stem raw materials is improved, and the production cost of the reconstituted tobaccos is reduced.

The invention discloses health-care drink composition and a preparation method thereof, aims to provide old ginger and brown sugar soup health-care drink composition capable of dispelling cold, warming the stomach, relieving dysmenorrhea, preventing colds and realizing beautifying as well as a preparation method of the composition and belongs to the technical field of health-care food. The composition is technically characterized by comprising components in parts by weight as follows: 10-30 parts of dried ginger, 5-25 parts of lesser galangal rhizomes, 5-20 parts of hawthorn fruits, 5-15 parts of red dates, 2-10 parts of durian, 5-10 parts of rose flowers, 3-10 parts of finger citron, 3-10 parts of villous amomum fruits, 5-15 parts of longan pulp, 5-15 parts of liquorice roots, 3-15 parts of chrysanthemum flowers, 2-10 parts of osmanthus flowers and 40-100 parts of brown sugar.

The invention relates to natural biological product separation and purification and concretely relates to a preparation method of high purity nicotine. The preparation method comprises pouring a nicotine organic solution without naphthalene oil-soluble impurities and high-boiling point alkaloid impurities into a short-path molecular distillation device and carrying out rectification on the nicotine organic solution at a temperature of 0-100 DEG C under pressure of 0.001-1mbar to obtain high purity nicotine. The invention provides a method for removing naphthalene oil-soluble impurities with boiling points similar to that of nicotine and high-boiling point alkaloid impurities in nicotine through extraction-back extraction. The preparation method is carried out at a low temperature at a high degree of vacuum and prevents impurities produced through nicotine pyrolysis and oxidation. The product has purity of 99.92%, good appearance, a good smell and a high extraction yield.

The invention discloses an interior wall coating with lasting fragrance. An EO group in used polymer latex and hydrophilic perfume form a strong hydrogen bond, so that the perfume is slowly released.The interior wall coating can keep fragrance for a long time and does not need to use a perfume carrier. An EA monomer and other polymerized or non-polymerized vinyl monomers are used in cooperation with the polymer latex prepared by using a nonionic emulsifier with the long EO number, so that a coalescing agent and an anti-freezing agent do not need to be added when the water-based coating is prepared. The fragrant coating is especially suitable for being used as a sleep-aiding and air-purifying coating in bedrooms, and is safe and non-irritant.

The invention provides a method for preparing avobenzone. The method comprises the steps that p-tert-butylbenzaldehyde and p-methoxyacetophenone serve as raw materials, a condensation reaction is performed under the alkaline condition, and prepared condensation products are oxidized into the avobenzone under the action of an oxidizing agent. The preparation method is simple, convenient, easy to perform and few in reaction steps, the preparation condition is mild and easy to control, and the prepared avobenzone is light in color, good in quality, pure in smell, high in market competitiveness and capable of easily achieving industrialization popularization.

The invention relates to a novel process for producing fish meal, which is used for preparing fish meal and includes the following steps: (1) fresh fish material is coarsely crushed by adopting wet method; (2) the coarsely crushed fish blocks are finely crushed by adopting wet method; (3) the finely crushed fish pulp is processed by homogenization treatment; (4) the homogeneous fish pulp is transferred to a spray drying tower through a pipe; (5) instant spray drying is carried out; (6) cooling is carried out; (7) the finished products are packed. The fish meal manufactured by the invention is high in freshness and low in VBN and AV. The protein in the fish material is not modified or flocculated. At the same time, the content of free fat in fish material is relatively low, and so is the content of oxidized substance. The content of vitamin A and vitamin E is stable. The fish meal is nice in shape and color, pure in flavor, high in output ration, and long in keeping time. The novel process changes the conditions of requiring long-time boiling and drying in high temperature, overflowing waste gas, severe environment pollution due to fish material falling to ground and etc. during transportation in the traditional process. The invention adopts a pipe for transportation and controls low-temperature treatment and instant drying, so that the environment is sanitary and clean.

The invention relates to a method for producing beta-phenethyl alcohol by using a biotransformation method. The method comprises the following steps of: inoculating a seed solution subjected to amplification culture of sccharomyces cerevisiae as a biological catalyst into a fermentation tank filled with a fermentation medium with L-phenyl alanine as a reaction substrate; suspending a mesh bag filled with macroporous resin in the fermentation tank; after fermenting, taking out the mesh bag; clarifying and finely filtering fermentation broth and circularly reflowing the obtained fermentation broth in a resin column; then draining a residual adsorption liquid; eluting the resin column with absolute ethyl alcohol to obtain an eluant containing benzyl carbinol; soaking the mesh bag with the eluant first and then introducing the mesh bag into a rotary evaporator for concentrating and recovering the ethanol; and distilling the obtained concentrate to obtain high-purity beta-phenethyl alcohol. According to the method disclosed by the invention, the beta-phenethyl alcohol generated in the fermentation tank is adsorbed by the mesh bag filled with the macroporous resin suspended in the fermentation tank, so that the content of the beta-phenethyl alcohol in the fermentation broth adsorbed by the macroporous resin is increased, the extraction content of the beta-phenethyl alcohol is increased and high yield and purity of products are obtained.

The invention relates to the technical fields of waste oil comprehensive utilization and fuel oil processing, and in particular relates to a double crack double catalysis new process used for generating diesel oil crude oil by utilizing waste oil. Firstly a gas phase catalyst is loaded into a gas phase catalysis tower, then a mixture of pre-treated waste oil and a liquid phase catalyst in a ratio of 100: (0.1-0.2) sequentially passes through a cracking reactor and a gas phase catalysis tower, waste oil is catalytically cracked at the temperature of 350-550 DEG C, and crude oil similar to diesel oil molecular structure is formed, wherein molecular weight is reduced to be about 230 from about 1000. In the new process provided by the invention, the raw materials are only required to be thrown into a reactor, mineral oil or grease macromolecular can be catalytically cracked under the action of a special catalyst, a molecular structure similar to diesel oil is formed, the molecular weight is reduced to be about 230 from about 1000, and the molecular weight is basically equivalent to the diesel oil.

The invention relates to disordered flowers lavender essential oil and a refining method thereof. The method comprises the steps that the disordered flowers lavender essential oil obtained by steam distillation is subjected to low temperature pre-freezing and low temperature freezing centrifugation to remove part of fatty acid, eudesmol and camphor; primary molecular distillation and secondary molecular distillation are performed to remove the most part of the eudesmol and the camphor. In the disordered flowers lavender essential oil, the content of the fatty acid after refining is lowered to 2.61 percent to 2.88 percent from 4.23 percent before the refining; the content of the eudesmol is lowered to 0.67 percent to 0.98 percent from 18.31 percent before the refining; the content of the camphor is lowered to 1.40 percent to 1.48 percent from 14.57 percent, and accords with the requirements of the content of the camphor in the national standard (GB / T12653-2008). The yield is 65.22 percent to 74.28 percent in the whole refining process. The disordered flowers lavender essential oil and the refining method thereof, provided by the invention, are simple in process and high in yield, a technology that refrigerated centrifugation is combined with the molecular distillation is adopted, the content of the fatty acid, the eudesmol and the camphor in the disordered flowers lavender essential oil are lowered, the content of the camphor is enabled to reach the national standard, and the quality and the market competitiveness of disordered flowers lavender are improved.

The invention relates to feed capable of improving the growth rate of beef cattle and a preparation method thereof. The feed is characterized by comprising the following raw materials in parts by weight: 256-320 parts of corn, 50-80 parts of bean meal, 30-40 parts of wheat bran, 180-200 parts of DDGS, 145-200 parts of corn fiber feed, 135-205 parts of rice bran meal, 5-10 parts of puffed urea, 20-30 parts of bentonite, 8-15 parts of baking soda, 15-25 parts of molasses, 5-8 parts of sodium sulfate, 5-7 parts of magnesium oxide, 5-10 parts of table salt, 10-13 parts of stone powder, 1-3 parts of yeast, 0.8-2 parts of bacillus subtilis, 10-15 parts of plant ash extract and 10-15 parts of premix. The feed capable of improving the growth rate of beef cattle obviously improves the palatability,feed intake and digestibility of the feed, improves the weight gain rate of the beef cattle, reduces the feed-gain ratio, improves the breeding economic benefit and also reduces the morbidity rate ofincidental diseases in the fattening process of the beef cattle.

The invention relates to an efficient diesel oil decolorant, which consists of sulfuric acid and formaldehyde and is prepared at normal temperature and pressure according to proportion sequentially. The diesel oil decolorant has the advantages of no three wastes pollution, low cost, easily obtained raw materials, simple process and convenient use. The diesel oil decolorant can decolorize the oxidized black diesel oil which is generated in the process of oil refining through the catalytic cracking and coking of waste engine oil and waste rubber, and the chromaticity reaches the national standard.

The invention relates to the field of tea processing, in particular to a making technology of spring tippy tea. The method comprises the procedures of picking, vacuum freezing, withering, leaf selecting, vacuum microwave fixing, spreading for cooling, rolling, deblocking, shaping and the like. According to the making technology, the traditional rolling time is shortened to 6-10 min from original 20-25 min, the spring tippy tea made in the time period is pure in taste, reduced in bitter taste and suitable for consumption of modern urban crowds, the appearance is light green in color and luster, full of fluff and more attractive, the commodity appearance aesthetic feeling is enhanced, market evaluation is good, the tea making yield per unit time is increased, and electric charge and labor charge are reduced.

The invention relates to a bamboo fibre mosquito repelling and killing tablet and a preparation method thereof. The bamboo fibre mosquito repelling and killing tablet comprises a crude paper sheet, wherein the crude paper sheet is sprayed with mosquito repelling and killing medicament; the crude paper sheet comprises the following components in percentage by weight: 50-90wt% of bamboo fibre, 0-40wt% of waste paper fibre, 1-30wt% of talc powder and 1-10wt% of catboxymethyl fibre. The preparation method of the bamboo fibre mosquito repelling and killing tablet successively comprises the following steps: (1) manufacturing bamboo raw materials into bamboo fibre explosion pulp raw material; (2) manufacturing the bamboo fibre explosion pulp raw material into clean bamboo pulp; (3) manufacturing the waste paper raw material into clean waste paper pulp; (4) mixing the bamboo pulp, the talc powder and the catboxymethyl fibre, and manufacturing paper with pulp into tablet base material; (5) manufacturing the tablet base material into the crude paper sheet; and (6) spraying the mosquito repelling and killing medicament on the crude paper sheet. Because the bamboo fibre is adopted as the raw material, production cost is lowered, and plant faint scent is given off.

The invention provides a wine with a healthcare function for the intestines and stomach. The wine is a steeping wine obtained by the following steps of: steeping 1-2 parts of bee honey, 1-2 parts of honeycombs and 15-20 parts of rice wine of 50-60 degrees for more than one year, wherein the bee honey and the honeycombs are wild bee honey and honeycombs which come from the same nest of wild honey bees preferably, and the rice wine has an alcohol content of 50-60 degrees and is aged for more than three years; after steeping is finished, filtering to remove filter residues, wherein the filtrate is a final product; and packaging the wine using wine bottles for sale. The steeping wine is light red with amber in color and luster, semi-transparent, mellow and honey sweet in mouth taste, full of wine body, soft in aftertaste, moist for the throat and esophagus, excellent in mouth feel and unforgettable after drinking, and people want to drink the wine every other day. Adults can not feel dizzy after the adults drink 50-150 ml of the wine in one time generally. Most drinkers reflect that the wine is mellow in mouth feel and soft without dizziness and has obvious effects of tonifying the kidneys, enriching essence, strengthening the spleen, reinforcing deficiency, tonifying qi, relaxing the bowels, repairing damaged gastrointestinal mucosa, protecting the liver, nourishing the stomach and the like. The wine can treat organic pathologic changes such as gastrointestinal ulcer, and also has the effects of preventing and protecting the intestines and stomach.

The invention belongs to the field of edible oil products and particularly relates to DHA-based (docosahexaenoic acid) corn oil for children only and a preparation method thereof. The technical scheme of the invention is as follows: the DHA-based corn oil for children only comprises the following components by weight percentage: 0.3% to 1.2% of DHA and corn oil in balancing amount. The invention further provides a method for preparing the DHA-based corn oil for children only. The DHA is prepared from refined deep-sea fish oil by undergoing distillation treatment for multiple times on the basis of the molecular distillation technique, wherein compared with the conventional DHA, the extracted DHA has the characteristics of good color, pure taste, low peroxide value and EPA-free (eicosapentaenoic acid), thereby providing an option of the DHA-based product having better quality and higher reliability for children badly in need of DHA supplements in growth spurt and bringing good social and economic benefits to manufacturers.

The invention discloses cigarette paper filter materials with lavender fragrance. The cigarette paper filter materials with the lavender fragrance belong to the technical field of cigarette production. 100-150 meshes of lavender powder are coated on the paper filter materials to form cigarette filter bars by embossing, drying and slitting and the coating volume is 1-15 g / m <2>; the lavender is dried in a lucifugal condition with 30-50 DEG C for 10 to 20 hours to obtain 5-10 % moisture content, the inner temperature of a grinder is controlled to be lower than 40 DEG C, and the lavender power is obtained by grinding in intervals. The cigarette paper filter materials with the lavender fragrance has the advantages of being simple in method, embellishing the fragrance of the cigarette through the lavender fragrance without changing the suction style of the cigarette, the fragrance of the cigarette smoke and the fragrance of lavender, increasing the faint scent of the smoke, softening the smoke, decreasing the paper taste and irritation of the paper filter material cigarette remarkably, enabling the smoker to enjoy the fragrance of plants, improving the oral smell of the smoker remarkably and accordingly improving the comfort of the oral and throat of the smoker and the smell of the cigarette.

The invention relates to fructus momordicae honey-like paste having efficacy of resisting haze and clearing away lung and a production method of the fructus momordicae honey-like paste. The fructus momordicae honey-like paste comprises mogroside V, fructus momordicae total glycosides, glucose, levulose, cane sugar, mannitol and water. The production method comprises the steps of (1) squeezing fresh fructus momordicae to obtain juice, collecting fruit juice and fruit residues, performing colation with cold water, extracting fruit residues, to obtain percolate, and merging the fruit juice and the percolate to obtain a fructus momordicae extracting solution; (3) adding calcium hydroxide to the fructus momordicae extracting solution, regulating pH to be alkaline, generating precipitate, performing standing, performing centrifugation, and collecting centrifugation filtrate, to obtain flocculating filtrate; (4) inflating carbon dioxide or air to the flocculating filtrate, regulating the pH to be neutral, generating precipitate, performing standing, performing centrifugation, and collecting centrifugation filtrate to obtain neutralized filtrate; (5) performing nanofiltration on the neutralized filtrate, and collecting trapped fluid to obtain desalinated fluid; and (6) performing concentration: performing decompressed concentration on the desalinated fluid, so as to obtain the fructusmomordicae honey-like paste. The fructus momordicae honey-like paste is light in color, and the mouth feel of the fructus momordicae honey-like paste is similar as that of cane sugar. The production method is simple in technology, low in cost and suitable for industrial batch production.

The invention discloses jasmine fresh and alive water and a preparation method and application thereof. The preparation method of the jasmine fresh and alive water includes the following steps that jasmine flowers are placed in a reactor, and vacuumizing is conducted; then reduced pressure distillation is carried out, condensed fluid is collected, and accordingly the jasmine fresh and alive water is obtained. The preparation method is simple and easy to implement, no organic solvent is added in preparation, no additives are used, and the obtained jasmine fresh and alive water is safe. The jasmine fresh and alive water can be applied to preparation of food, health care products and cosmetics.

The invention discloses a cigarette paper filter material containing chrysanthemum fragrance, and belongs to the technical field of cigarette preparation. 100-150 meshes chrysanthemum powder is coated on the paper filter material with a coating amount being 1-15 g / m<2>; then, the paper filter material is embossed, dried and split to form cigarette paper filter sticks. In a dark condition with the temperature of 30 to 50 DEG C, the chrysanthemum is dried for 10 to 20 hours until the water content is 5 to 10wt%; the inner temperature of a smashing machine is controlled to be less than 40 DEG C; and the chrysanthemum is uninterruptedly smashed to obtain the chrysanthemum powder. The method is simple; on the premise that the cigarette smoking style and the cigarette smoke fragrance are not changed, the chrysanthemum fragrance can be well coordinated with the smoke of the cigarette; by the chrysanthemum fragrance, the smoke of the cigarette is gentle, moist and fine and rich; the smoking quality of a paper filter stick cigarette is obviously improved; the 'paper taste' and the irritation of the paper filter stick cigarette can be obviously reduced; a smoker can enjoy the fragrance of flowers; the smell of an oral cavity of the smoker is obviously improved; and the comfortableness of the oral cavity and the throat of the smoker and the smoking flavor of the cigarette are improved.

The invention discloses a cigarette paper filter material containing orchid fragrance, and belongs to the technical field of cigarette preparation. 100-150 meshes orchid powder is coated on the paper filter material with a coating amount being 1 to 15 g / m<2>; and then the paper filter material is embossed, dried and split to form cigarette paper filter sticks. In a dark condition with the temperature of 30 to 50 DEG C, the orchid is dried for 10 to 20 hours until the water content is 5 to 10wt%; the inner temperature of a smashing machine is controlled to be less than 40 DEG C; and the orchid is uninterruptedly smashed to obtain the orchid powder. The method is simple; on the premise that the cigarette smoking style is not changed, and the cigarette smoke fragrance and the orchid fragrance can be well coordinated with the cigarette smoke, the cigarette fragrance can be modified, the smoke is fragrant and gentle; the smoking quality of a paper filter stick cigarette is obviously improved; the 'paper taste' and the irritation of the paper filter stick cigarette can be obviously reduced; a smoker can enjoy the fragrance of flowers; the smell of an oral cavity of the smoker is obviously improved; and the comfortableness of the oral cavity and the throat of the smoker and the smoking flavor of the cigarette are improved.

The invention discloses a chestnut kernel beverage, which is mainly prepared by chestnuts or traditional Chinese herbal medicine materials for chestnuts and plants, beverage auxiliary materials, sugar and water, wherein, the invention also comprises fresh milk, schisandra, juice and medlar (the traditional Chinese herbal medicine material), etc. The chestnuts are mainly the fresh chestnut (chestnut fleshes) juice, and also can be the mixed juice or extraction juice of chestnut shells, endocarps, hairy chestnut balls and chestnut fleshes. The auxiliary materials are sorbic acid, flavors and citric acid, etc. The chestnut kernel beverage has the advantages that: 1. the chestnut kernel beverage is a novel beverage that uses the chestnuts as the main material, and is high in nutritive value, has no pollution and is a pure green food; 2. the chestnut kernel beverage is a functional beverage that can improve the health, reinforce kidney and spirit and relieve cough and asthma; 3. the chestnut kernel beverage is fragrant, pure and tasty, and can quench and remove the heat.

The invention discloses a compound essential oil with a weight loss effect. The compound essential oil of rosemary leaves, mint leaves and fennel fruit is prepared by a distillation method, then the extracted essential oil of black pepper seeds and sweet orange seeds is obtained by supercritical CO2 extraction, and then the compound essential oil and the extracted essential oil are mixed at room temperature and subject to standing, aging and impurity filtering. The prepared compound essential oil is fresh, natural, pure and stable in smell. According to tests of volunteers, the compound essential oil has excellent skin affinity and transdermal absorption, and can enhance fat metabolism. The compound essential oil can serve as a lipolytic agent to enhance fat metabolism of all or parts of the subcutaneous adipose tissue and reduce or restrain obesity.

The invention discloses a method for extracting grape seed oil by an ultrasound-assisted supercritical carbon dioxide technology as well as a product of the method and an application of the product. The method comprises the following steps: performing pretreatment crushing on dried grape seeds until 60-80-mesh grape seeds are obtained, placing the crushed grape seeds into a supercritical reactionkettle, controlling pressure of the supercritical reaction kettle to 10-40 MPa, controlling the temperature to 50-100 DEG C, and controlling pressure keeping time to 60-120 min; opening an ultrasonicdevice, and performing extraction to obtain primary grape seed crude oil; and finally, performing separation for two times by using a molecular distiller to obtain the high-purity grape seed oil. According to the method disclosed by the invention, an ultrasonic technology is combined with a supercritical carbon dioxide extraction technology, the ultrasound-assisted supercritical carbon dioxide technology is utilized to realize extraction of the grape seed oil, and purposes of high-efficiency extraction, separation without impurities and high purity of an extraction product are achieved; and the method disclosed by the invention has a simple operation process and short extraction time, reduces costs, improves efficiency of extraction separation, and has stronger technical novelty and creativity.