54 results about "Octanal" patented technology

The invention relates to lemon essence for water-based ink. The lemon essence is prepared from, by weight, 1%-30% of lemon essence, 5%-55% of compound modification oligosaccharide and deionized water. The lemon essence is composed of lemon oil, litsea cubeba oil, citral diethyl acetal, myrac aldehyde, bergamot aldehyde, lemonile, decanal, caprylic aldehyde, dodecanenitrile, citonellye nitrile, ethyl methylphenylglycidate, linalyl acetate, linalool, lilial, benzyl acetate, cyclamen aldehyde, terpilenol, terpinyl acetate, anisic aldehyde, verdyl acetate, geraniol, geranyl acetate, citronellol, citronellyl acetate, isocyclocitral, styralyl acetate, isoeugenol, ionone, heliotropin, iso-longitolanone, HHCB and ethyl alcohol. The invention further provides a preparation method of the lemon essence for the water-based ink. According to the lemon essence for the water-based ink and the preparation method of the lemon essence, the compound modification oligosaccharide is used as a wall material, the lemon essence is wrapped so that lemon nanocapsule slow-release essence can be formed, and therefore fragrance depositing and water solubility of the essence are improved.

The invention discloses electronic cigarette liquid with lemon flavor and a preparation method thereof. The electronic cigarette liquid is made from, by weight, 0.1-10 parts of lemon oil, 0.01-1 partof bergamot oil, 0.01-1 part of limette oil, 0.005-0.25 part of terpilenol, 0.005-0.25 part of linalool, 0.001-0.1 part of methyl heptenone, 0.001-0.1 part of octanal, 0.005-0.25 part of geranyl acetate, 1-5 parts of ethyl alcohol, 10-30 parts of water, 30-90 parts of propylene glycol, and 20-40 parts of glycerol. The smoking flavor of electronic cigarettes can be enriched, the needs of differentconsumer groups can be met, and potential hazards to the health of the consumers can be effectively reduced.

The present invention provides a method for selecting a perfume ingredient that can enhance a preference therefor by continuous use from among arbitrary perfume ingredients; a perfume composition and a preference-enhancing agent that can give a high preference therefor and enhance the preference by continuous use; and a hair cleanser that can offer excellent use texture and improve the use texture by continuous use.A method for selecting a perfume ingredient comprising; conducting the following evaluation (A) and / or (B) on arbitrary perfume ingredients and making a selection with the evaluation result as an indicator:(A) an evaluation of an impression of the “density” of a fragrance on first exposure and an evaluation of an impression of the “density” of the fragrance after two or more exposures; and(B) an evaluation of an impression of the “cheerfulness” of a fragrance on first exposure and an evaluation of an impression of the “cheerfulness” of the fragrance after two or more exposures. A perfume composition comprising a perfume ingredient selected by the method for selecting a perfume ingredient.A hair cleanser comprising (i) an amphoteric surfactant, (ii) a cationic polymer, (iii) an N-acyl-N-methyltaurine-based anionic surfactant, and (iv) one or more selected from the group consisting of galaxolide, ambroxan, manzanate, grapefruit oil, marjoram oil, cinnamon oil, aurantiol, tomato leaf extract, spearmint oil, clove oil, chamomile oil, pepper oil, Triplal, Yuzu citron (Citrus junos) oil, octylaldehyde, vanillin, jasmine oil, bergamot oil, armoise oil, strawberry extract, geranium oil, lime oil, nutmeg oil, and allyl caproate.

The present invention relates to a kind of air purifying agent, it is characterized in that: comprise gingerone, gingerol, menthol, menthone, phellandrene, pinene, terpineol, citral, octanal, nonanal, geraniol, Linalool, decanal, the weight ratio is: gingerone 0.01-0.1‰, gingerol 0.05-0.5‰, menthol 0.15-0.5‰, menthone 0.1-0.3‰, phellandrene 0.2-0.4‰, pinene ene 0.1-0.3‰, terpineol 0.05-0.2‰, citral 0.2-0.5‰, octanal 0.02-0.1‰, nonanal 0.02-0.1‰, geraniol 0.2-0.5‰, linalool 0.1-0.3‰ , decanal 0.05-0.2‰. The air purifying agent of the present invention is compounded from pure natural plant juice, is an all-natural product, and is non-toxic, non-irritating and non-explosive. Compared with the chemical deodorants currently used in deodorization on the market, its safety is better, and there is no secondary pollution after the product reacts with the odor.

The present invention provides compositions for inhibiting the activity of an insect pest against a subject (or repelling an insect pest from an environment or preventing attraction to an environment) which compositions comprise geranylacetone as an active ingredient plus a carrier plus a further active ingredient selected from the list consisting of: 6-Methyl-hepten-2-one, octanal, plus optional other chemicals. Also provided are related materials and methods of use.

The invention discloses a preparation method of N1-n-octyl-N2-[2-(n-octylamino) ethyl]-1,2-ethidene diamine. The method comprises the following steps: by using diethylenetriamine and 1-n-octanal as raw materials, carrying out condensation in the presence of a catalyst to generate N1-n-octyl amine-N2-[2-(n-octyl amine) ethyl]-1, 2-ethidene diamine; further hydrogenating N1-n-octyl amine-N2-[2-(n-octyl amine) ethyl]-1, 2-ethidene diamine to obtain N1-n-octyl-N2-[2-(n-octylamino) ethyl]-1, 2-ethidene diamine. The preparation method disclosed by the invention is used for solving the problem that the product prepared from N1-n-octyl-N2-[2-(n-octylamino) ethyl]-1, 2-ethidene diamine raw medicines in the prior art is low in content and yield and more in byproducts and the post treatment is complex. The preparation method disclosed by the invention is mainly used for preparing N1-n-octyl amine-N2-[2-(n-octylamino) ethyl]-1, 2-ethidene diamine. The obtained product can be used for bactericides in oil fields, farms and papermaking. The structure of N1-n-octyl amine-N2-[2-(n-octylamino) ethyl]-1,2-ethidene diamine is shown in the specification.

This invention relates to a composition and procedure for manipulating the behaviour of codling moth larvae, Cydia pomonella (L.) (Lepidoptera: Olethreutidae). In particular, this invention relates to the use of specific pheromone components for manipulating the behaviour of C. pomonella larvae. A composition of chemicals for manipulating the behaviour of Cydia pomonella larvae, said composition comprising two or more chemicals in all possible combinations and ratios selected from the group consisting of: 1) heptanal; 2) 6-methyl-5-hepten-2-one (sulcatone); 3) myrcene; 4) octanal; 5) 3-carene; 6) (+)-limonene; 7) (E)-2-octenal; 8) nonanal; 9) (E)-2-nonenal; 10) decanal; 11) geranylacetone.

The present invention provides a flavour composition which is a mixture of flavour materials, characterised in that the flavour composition comprises at least 8% by weight of the total weight of the flavour composition of ingredients selected from the following groups of flavour materials: (a) at least 0.5% by weight of the flavour composition of one or more of the following: a peppermint oil comprising 1-isopropylidene-4-methyl-2-cyclohexanone in an amount from 1% to 4% by weight, 5-methyl-2-(1-methylethyl)-1-cyclohexanone in an amount from 8% to 13% by weight and less than 0.5% by weight of eucalyptol; a spearmint oil comprising less than 70% by weight of carvone and at least 14% by weight of limonene; or mixtures thereof; and (b) at least 0.5% by weight of the flavour composition of two or more of the following: decanol, octanal, allyl hexanoate, anethole, aniseed rectified, basil oil, benzyl butyrate, camomile oil, cinnamic aldehyde, cis-3-hexenyl acetate, citral natural, citronella ceylon, ethyl heptanoate, eugenol, fennel sweet, geranyl acetate, ionone alpha, lime, orange flavour, para cresyl methyl ether, pinene alpha. These materials have been identified as capable of inhibiting the production of odoriferous volatile sulphur compounds by microorganisms present in the oral cavity, and so to possess hitherto unappreciated oral malodour reducing properties.

The invention relates to an adsorbing material for wastewater treatment. The adsorbing material comprises the following raw materials in parts by weight: 9-15 parts of aluminum sulfate, 3-8 parts of sodium carbonate, 5-9 parts of potassium hydroxide, 6-11 parts of graphite, 8-14 parts of wood fiber, 4-6 parts of porous expanded perlite, 2-10 parts of hollow glass beads, 3-5 parts of hydroxyethyl cellulose, 2-7 parts of soda lime, 5-8 parts of a terbium oxide catalyst, 3-6 parts of tri-isocyanurate, 4-8 parts of octanal, 3-7 parts of 1-hydroxyoctadecane and 1-4 parts of sodium diethyldithiocarbamate. The adsorbing material for wastewater treatment has the beneficial effects that the adsorbing material plays a good role in adsorbing suspend matter in water, also can well adsorb heavy metal ions to achieve the function of purifying water, and is low in cost.

The invention belongs to the technical field of production of slim cigarette filter sticks, and in particular relates to clove essence for a fragrance line in a slim filter stick and an application ofthe clove essence. The clove essence consists of the following components in percentage by mass: 10.0-15.0% of clove oil, 2.0-5.0% of syringaldehyde, 0.05-0.1% of octanal, 0.05-0.1% of nonanal, 0.05-0.1% of decanal, 0.2-0.5% of linalool, 0.1-0.2% of terpilenol and 79.0-87.55% of caprylic / capric triglyceride. According to the invention, the clove essence for the fragrance line in a slim cigarettehaving special fragrance is provided, and through coordination with the improvement of the structure of the slim cigarette filter stick, the smoking effect of the slim cigarette can be improved obviously; therefore, a relatively good practical value is guaranteed; the variety of cigarette products is enriched; and meanwhile, the clove essence has relatively good exemplary promotion and applicationsignificance for the design, development as well as production and sale of novel slim cigarettes.

The invention provides a sweet citrus type flavoring agent for a shed cattle feed and a preparation method of the sweet citrus type flavoring agent, and belongs to the technical field of feed additives. The flavoring agent comprises 10-18 parts of linalool, 5-10 parts of linalyl acetate, 60-100 parts of citral, 1-3 parts of octanal, 5-10 parts of phenylacetic acid, 10-20 parts of phenethyl alcohol, 1-5 parts of ethyl phenylacetate, 1-3 parts of phenyl ethyl cinnamate, 2-5 parts of geraniol, 8-12 parts of limonene, 1-5 parts of sweet orange oil, 60-120 parts of solvents and 200-1000 parts of carriers. A conventional feed flavoring agent still has the problem that the preference flavor of animals cannot be met, peculiar smell in the feed can only be concealed to a certain extent, the stability is low, after the flavoring agent is added to the feed, the quality of the feed is instable, and the palatability is poor. The cattle has keen sense of smell and has obvious perception on differences of the fragrance of the feed, so that the phenomena that the cattle refuses to eat the feed or the food consumption is reduced, can be caused. The sweet citrus type flavoring agent for the shed cattle feed provided by the invention is high in stability and good in palatability, the preference of shed cattle is met, and the effects of guaranteeing stable quality of the feed and inducing the cattle to eat the feed continuously can be achieved.

The invention discloses a tomicus piniperda attractant and application thereof. The tomicus piniperda attractant is prepared from the following components of 0.2 to 0.8 part of alpha-pinene, 0.4 to 0.6 part of beta-pinene, 0.6 to 3 parts of trans-beta-ocimene, 0.4 to 2 parts of 1-octene-3-alcoho, 3 to 8 parts of cis-11-hexacadienal, 1 to 5 parts of n-octanal, and 30 to 70 parts of acetaldehyde. The invention also provides a use method of a dendroctonus armandi attractant; the attracting effect on dendroctonus armandi is obvious, and the dendroctonus armandi can be ecologically prevented and controlled. The tomicus piniperda attractant has the advantages that the environment-friendly effect is good, the cost is low, and the simplicity in use is realized.

The invention discloses an architectural coating, which is prepared from the following raw materials (by weight): 2-7 parts of zinc white, 5-10 parts of starch, 3-7 parts of cellulose, 5-10 parts of neopentyl glycol, 10-15 parts of deionized water, 2.5-4.7 parts of octanal, 2.1-6.4 parts of pesticide emulsifier No.600 and 1.2-3.5 parts of a butadiene resin film forming agent. In comparison with existing emulsion paint products, the architectural coating has the following advantages: by the use of the pesticide emulsifier No.600 and the butadiene resin film forming agent, stain resistance and self-cleaning performance are raised; by the use of zinc white, starch and cellulose, abrasion resistance and smooth finish are enhanced; and by the use of neopentylene glycol and octanal, adhesiveness is raised.

The invention discloses and relates to a method for quickly detecting acraldehyde in Baijiu, and belongs to the technical field of analysis and detection of Baijiu. The method comprises the following steps of enabling pentafluoro benzylhydroxylamine and acraldehyde in Baijiu to react to generate oxime; accurately quantifying the acraldehyde in Baijiu by a headspace solid-phase microextraction and gas chromatography mass spectrometry coupling technique. The method is characterized in that d16-octanal labeled by isotope deuterium is used as an internal label, the feature ions of m / z 251 and m / z 243 are used for respectively quantifying the acraldehyde derivative and d16-octanal derivative, and the concentration of the acraldehyde derivative is the concentration of acraldehyde. The method has the advantages that the operation is simple, the detection is sensitive, the automation degree is high, the specificity is high, the detection method can be used for further detecting the acraldehyde in the Baijiu of different years and different flavors, and the safety of Baijiu is better controlled.

The invention discloses a treating agent for garbage exudates and a preparation method of the treating agent. The treating agent comprises the following raw materials in parts by weight: 18-20 parts of kieselguhr, 20-25 parts of carbonate, 25-28 parts of aluminum oxide, 30-50 parts of ammonium EDTA (Ethylene Diamine Tetraacetic Acid), 10-20 parts of zingiberone, 15-20 parts of octanal, 18-28 parts of quartz stone, 30-35 parts of calcium sulfate, 20-28 parts of calcium hydroxide, 22-30 parts of ceride alcohol, 10-20 parts of potassium hydroxide, 20-25 parts of methylparaben, 11-17 parts of sodium percarbonate and 10-30 parts of sodium diethyl dithiocarbamate. The preparation method comprises the steps of uniformly mixing the raw materials and performing heating reaction. The treating agent disclosed by the invention has an extremely good purification effect and can effectively remove COD (chemical oxygen demand) in the garbage exudates, so that all ammonia nitrogen and oil are cleared away basically, and the effect is outstanding.

The invention discloses a dendroctonus armandi attractant and application thereof. The attractant is prepared from the following components: 0.2-0.8 part of alpha-pinene, 0.4-0.6 part of beta-pinene, 0.6-3 parts of trans-beta-ocimene, 0.4-2 parts of 1-octene-3-alcohol, 3-8 parts of cis-11-hexadecadienal, 1-5 parts of n-octanal and 30-70 parts of acetaldehyde. The invention also provides a using method of the dendroctonus armandi attractant. The dendroctonus armandi attractant is obvious in attractive effect of the dendroctonus armandi, is capable of achieving ecological prevention and control of the dendroctonus armandi, is environmentally friendly, and is low in cost and simple to use.

The invention relates to a dendrobium officinale flower fragrance composition, a preparation method and application thereof, and relates to the technical field of daily chemicals. According to the main technical scheme, the dendrobium officinale flower fragrance composition is prepared from a fragrance compound and a solvent auxiliary material, wherein the fragrance compound is prepared from 1-octylene-3-alcohol, hexanal, nonanal, phenylacetaldehyde, octanal and linalool, and in the dendrobium officinale flower fragrance composition, the concentration of the 1-octylene-3-alcohol is 9.9 mg / L to 12.4 mg / L, the concentration of the hexanal is 26.7 mg / L to 31.5 mg / L, the concentration of the nonanal is 3.8 mg / L to 4.2 mg / L, the concentration of the phenylacetaldehyde is 18.8 mg / L to 20.6 mg / L, the concentration of the octanal is 1.2 mg / L to 1.4 mg / L, and the concentration of the linalool is 7.2 mg / L to 8.4 mg / L. The invention is mainly used for providing and preparing the dendrobium officinale flower fragrance composition. The dendrobium officinale flower fragrance composition has the natural fragrance characteristic of dendrobium officinale flowers. The dendrobium officinale flower fragrance composition is used for preparing daily chemicals such as spices, essences, cosmetics, perfume, detergents and the like so as to endow the daily chemicals with the dendrobium officinale flower fragrance characteristic.

The invention belongs to the technical field of food analysis, and particularly relates to a method for evaluating freshness of sturgeons based on aldehyde and ketone volatile substances. Researches find that the contents of octanal, heptanal, nonanal and acetophenone in the sturgeon meat are in linear correlation with the storage time, detection of the contents is beneficial to rapid evaluation of the quality of the sturgeon meat under the refrigeration condition, and the sturgeon meat can be used as a potential biomarker for characterization of the freshness of commercially available cold fresh sturgeons. Meanwhile, the astringent taste of the fish meat can be covered by the epsilon-PL treatment and the oxidation electrolyzed water treatment to a certain extent. In the aspects of salty taste and delicate taste, epsilon-PL treatment has a certain enhancement effect on the delicate taste and the salty taste of the sturgeon meat, and epsilon-PL treatment has small influence on the flavor of the fresh sturgeon meat.

The invention belongs to the technical field of slim cigarette filter stick production, and specifically relates to lemon essence for an incense thread in a slim filter stick and an application of thelemon essence. The lemon essence is composed of the following components including, by mass, 10.0 to 15.0% of lemon oil, 2.0 to 5.0% of geranialdehyde, 0.05 to 0.1% of octanal, 0.05 to 0.1% of pelargonaldehyde, 0.05 to 0.1% of capric aldehyde, 0.2 to 0.5% of linalool, 0.1 to 0.2% of terpilenol and 79.0 to 87.55% of caprin. The lemon essence for a incense thread in a slim filter stick and with a special incense flavor is provided, and a slim cigarette filter stick structure is improved, so the smoking effect of the slim cigarette can be improved; the improvement effect is obvious; and when cigarette types are enriched, great meaning is provided for demonstration, application and promotion of new slim cigarette design, development and production as well as sale.

A mosquito attractant composition is described comprising heptanal, octanal, nonanal, (E)-2-octenal and (E)-2-decenal. More particularly a composition wherein the compounds are present in the following proportions: nonanal 1.00, octanal 0.32±0.16, heptanal 0.06±0.03, (E)-2-octenal 0.04±0.02 and (E)-2-decenal 0.13±0.065.

The invention relates o a preparation method of 3,7-dimethyl-3- acetylthio-6,7-epoxy-octanal. The preparation method comprises following steps: at room temperature, in dichloromethane solvent, 3,7-dimethyl-3- acetylthio-6-octenal and 3-chloroperbenzoic acid are stirred and reacted for 4 to 10h, after reaction, a sodium hydroxide aqueous solution is adopted to adjust the pH value of an obtained reaction solution to 7, ether is adopted for extraction, an obtained organic layer is subjected to drying and filtering, an obtained filtrate is subjected to condensation so as to obtain a 3,7-dimethyl-3- acetylthio-6,7-epoxy-octanal crud product, and silica gel column separation is adopted so as to obtain the 3,7-dimethyl-3- acetylthio-6,7-epoxy-octanal high in purity. Compared with the prior art, the preparation method possesses following advantages: the preparation process is simple; operation is convenient; yield is high; the purity of finished product 3,7-dimethyl-3- acetylthio-6,7-epoxy-octanal is high; the production cost is relatively low; and the preparation method is suitable for industrialized production.

The invention discloses a refinement method for recovering butanol and octanol from a butanol-octanol waste liquid through a cracking reaction and a hydrogenation reaction, and belongs to the technical field of butanol-octanol. In order to solve the problem of not high raw material utilization rate or high energy consumption in the prior art, the present invention provides a method, wherein a n-butanol product is firstly extracted, heavy removing tower bottom heavy components are cracked so as to be further recovered and utilized, the aldehyde in the butanol-octanol waste liquid is subjected to mixing hydrogenation to obtain an alcohol, and a rectification process is performed to obtain the high purity butanol product and the high purity octanol product, wherein the specific steps comprise dehydration, separation of butanol, removal of heavy components, cracking of the heavy components, mixing hydrogenation of butyraldehyde and octanal, hydrocarbon removal, separation of the butanol product, side-line extraction of the octanol product, and other processes. With the refinement method of the present invention, the utilization rate of the butanol-octanol waste liquid is substantially improved, the utilization value is substantially increased, the economic benefits are increased, the complexity of the composition of the material is reduced, the difficulty of the rectification unit is reduced, and the separation cost is reduced.

The invention discloses a method for rapidly distinguishing different varieties of rice based on aldehyde compounds, which is characterized by comprising the following steps: collecting aroma components of rice in different regions by adopting headspace solid-phase microextraction; collecting data in aroma components of rice by adopting a gas chromatograph-mass spectrometer, and screening aldehydes; the result of the volatility analysis being provided in chromatographic peak area counting; using orthogonal partial least squares discriminant analysis OPLS-DA modeling to compare rice differences in different regions. and determining the content of aldehyde substances such as hexanal, heptanal, 3-methyl-butyraldehyde, 5-methyl-hexanal, n-octanal, 2-heptenal, nonanal, trans-2-octenal, benzaldehyde, trans-2-nonenal, trans-2-decenal, lauric aldehyde, trans-2-undecenal and the like as a recognition standard. The method disclosed by the invention is small in data volume and high in distinction degree. The method can quickly and accurately identify the rice producing area, and is beneficial to further processing and utilizing rice and developing related products.

The invention belongs to the technical field of preparation of six-membered glyceryl acetal, and in particular discloses a preparation method of the six-membered glyceryl acetal. The method comprisesthe following steps: step 1, preparing the following raw materials, in parts by molar: 10-13 parts of glycerin, 4-6 parts of n-octanal, and 5-7 parts of a catalyst; step 2, simultaneously adding the glycerin, the n-octanal, lauraldehyde and the catalyst into a reaction kettle according to the above molar by parts, performing a reaction for 5-6 h at reaction temperature of 45-55 DEG C to obtain a mixture of cis six-membered cyclic glyceryl acetal, cis five-membered cyclic glyceryl acetal and trans five-membered cyclic glyceryl acetal; and step 3, performing separation on the cis six-membered cyclic glyceryl acetal, trans six-membered cyclic glyceryl acetal, the cis five-membered cyclic glyceryl acetal and the trans five-membered cyclic glyceryl acetal by using a rectification column. According to the method provided by the invention, the six-membered cyclic glyceryl acetal and the derivatives of the six-membered cyclic glyceryl acetal prepared by the method are applied in the field of decomposable surfactants and degradable bio-based lubricating oil, the yield can be up to 98.8%, and the method is suitable for promotion and use.

The invention discloses a durable constructional paint. The durable constructional paint is prepared from the following raw materials by weight: 2 to 7 parts of zinc white, 5 to 10 parts of starch, 3 to 7 parts of 2,2,2-trichloro-1,1-bis(4-chlorophenyl)ethanol, 5 to 10 parts of 1,1-dimethyl-3,5-cyclohexanedione, 10 to 15 parts of deionized water, 2.5 to 4.7 parts of octanal, 2.1 to 6.4 parts of phenethyl phenol polyoxyethylene ether and 1.2 to 3.5 parts of a butadiene resin film-forming agent. Compared with conventional emulsion paint products, the durable constructional paint provided by the invention has the following advantages: the phenethyl phenol polyoxyethylene ether and butadiene resin film-forming agent are used to improve contamination resistance and self-cleaning performance; the wearing resistance and smoothness of the paint are improved by using the zinc white, starch and 2,2,2-trichloro-1,1-bis(4-chlorophenyl)ethanol; and the adhesion of the paint is enhanced in virtue of 1,1-dimethyl-3,5-cyclohexanedione and octanal.

The invention discloses a synthetic method for the organic synthesis intermediate octanal. The synthetic method comprises the following steps: adding 1-aminooctane and an anhydrous p-chorotoluene solution into a reaction vessel, raising a solution temperature, controlling a stirring speed, carrying out a reaction, adding tungsten disulfide powder and continuing the reaction; and then adding an anhydrous isobutyl formate solution, carrying out a refluxing reaction, lowering the temperature, carrying out standing, then carrying out washing with an anhydrous 1,3-dichloropropane solution a plurality of times, carrying out washing with an anhydrous diisopropane solution a plurality of times, then carrying out recrystallization in an anhydrous xylene solution and carrying out dehydration with adehydrating agent to obtain the finished octanal.

The invention relates to a graphene-based composite microsphere for cigarettes, a preparation method thereof and an application in cigarettes, belonging to the technical field of cigarette additives. Graphene oxide is reduced with a natural reducing agent, and the obtained reduced graphene oxide is reacted with fruity-flavored aldehyde compounds and dopamine hydrochloride, and then extracted by Soxhlet to obtain a graphene-based composite material with molecular recognition function. Finally, various The graphene-based composite material prepared from the aldehyde compound is compounded into graphene-based composite microspheres for cigarettes. The microspheres can selectively adsorb isovaleraldehyde, octanal, nonanal, decanal and melonal from complex natural flavors and fragrances, and the adsorption objects and capacity are controllable, and the adsorption intermolecular force of the microspheres is mainly non-common Valence bond strength, good thermal conductivity, and rapid desorption during use. When the microsphere is made into an additive and added to the filter tip, it can not only provide fruity aroma, enhance the aroma of cigarettes, improve smoking comfort, but also prevent thermal collapse of the structure.

The invention discloses a method for improving fragrance of chicken soup through heat preservation pretreatment and medium-pressure cooking, and belongs to the field of food. The method comprises the following steps: firstly, putting chicken in a container, heating, and keeping the temperature for 25-35 minutes when the temperature rises to 70-80 DEG C; placing the chicken subjected to heat preservation treatment in an environment with the pressure of 151-171 kPa, and treating for 20-35 minutes; and finally reducing the pressure to normal pressure to obtain chicken soup. The obtained chicken soup is good in overall acceptability, rich in fragrance and outstanding in salty and delicious taste and mellow feeling, and the content of characteristic fragrance substances octanal, nonanal and 2-amyl furan is higher than 2.5 micrograms / L, 11 micrograms / L and 5.5 micrograms / L respectively. According to the technical scheme provided by the invention, on the basis of improving the flavor of the chicken soup, the nutritional efficacy of the chicken soup can be remarkably improved, the dosage of salt is reduced, deliciousness and health are considered, a remarkable application and popularization value is shown, and industrial and intelligent development of Chinese traditional characteristic foods is promoted.

The present invention relates to a mulberry brandy air-dried sausage preparation method, and belongs to the technical field of food processing technology, and the mulberry brandy air-dried sausage is prepared from the following raw materials by weight: 100 parts of pork, 1-3 parts of mulberry brandy, 0.8-1.5 parts of salt, 2-3 parts of sugar, and 2-4 parts of seasoning. The mulberry brandy plays an important role in formation of volatile flavor substances in the air-dried sausage, not only has typical flavor substances of the air-dried sausage, but also contains volatile components such as 2-hexanone, benzaldehyde, octanal, ethyl acetate, ethyl caprylate, ethyl caprate, isoamyl acetate, dimethyl disulfide and isobutyl acetate; the product is endowed with strong flower fragrance, fruit fragrance and other flavors; due to the addition of the mulberry brandy, the TBARS value and the TVB-N value are effectively reduced, a certain dose-effect relationship is achieved, the sensory quality of the sausages is well improved, and it is indicated that the mulberry brandy completely replaces baijiu to produce the air-dried sausages, and the market prospect is wide.

The invention provides a preparation method of braised chicken thigh essence. The braised chicken thigh essence is prepared from six raw materials, namely a meat flavor spice, a fat flavor spice, a sauced spice, a caramel flavor spice, a spicy flavor spice and a solvent. The meat flavor spice is prepared from 2-methyl-3-furanthiol and 2-acetylthiazole; the fat flavor spice is prepared from hexanal, octanal and trans-2,4-decadienal; the sauced spice is prepared from 3-methylthiopropionaldehyde and phenylacetaldehyde; the caramel flavor spice is prepared from 2,5-dimethyl-4-hydroxy-3(2H)-furanone; the spicy flavor spice is prepared from dimethyl trisulfide, linalool, beta-caryophyllene, anethole and eugenol; and the solvent is prepared from ethanol, propylene glycol, glycerol or a mixture of ethanol, propylene glycol and glycerol, and can further be vegetable oil such as soybean oil, rapeseed oil, peanut oil, corn oil and the like.