1681 results about "Alcohol ethyl" patented technology

The invention discloses a novel synthetic method for 5-phenyl tetrazole, which includes the following steps: firstly performing acid neutralization to hydrazine hydrate; then adding mixing solution formed by cyanobenzene, water and ethyl alcohol to generate phenyl aminoguanidine salt; adopting sodium nitrite for diazotization to obtain nitrine amidine under the acidic condition; obtaining 5-phenyl tetrazole crude product through closed loop under the alkaline condition; obtaining 5-phenyl tetrazole acceptable product through adopting ethyl alcohol for refining. The method has the advantages of simple technology, simplicity in operation and high product yield.

The invention discloses a compound microbial agent for enhancing production of beta-phenethyl alcohol in a white spirit brewing process as well as a preparation method and application of the compound microbial agent, and belongs to the technical field of microorganisms. The compound microbial agent is prepared from aspergillus niger, pichia membranaefaciens, Kazakstan monospora, saccharomyces cerevisiae and sporospora delbrueckii; in the compound microbial agent, the final concentration OD600 of the aspergillus niger, the final concentration OD600 of the pichia membranaefaciens, the final concentration OD600 of the Kazakstein monospora, the final concentration OD600 of the saccharomyces cerevisiae and the final concentration OD600 of the sporospora delbrueckii are 0.8-1.5, 0.8-1.5, 0.5-1, 0.8-1.5 and 0.5-1 respectively. After the compound microbial agent provided by the invention is applied to a solid-state fermentation system of Luzhou-flavor liquor, the yield of the aroma substance beta-phenethyl alcohol can be obviously increased by adjusting the eukaryotic microbial community structure of the fermentation system; the method can effectively solve the problem that the stability of the method for producing beta-phenethyl alcohol in the process of intensifying Baijiu fermentation by a single strain is poor.

The invention relates to Pediococcus pentosaceus PP90 for preventing and treating alcoholic nerve injury and application of the Pediococcus pentosaceus PP90, the Pediococcus pentosaceus PP90 is preserved in China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC NO.32034. The Pediococcus pentosaceus PP90 can be used for preventing and treating alcoholic nerve injury. The fermentation product of the pediococcus pentosaceus PP90 can degrade the alcoholic strength of alcohol, can generate ethanol dehydrogenase and acetaldehyde dehydrogenase, can improve the activity of nerve cells, can regulate the expression of cytokines, can inhibit the activation of astrocytes, can regulate the expression of brain-derived neurotrophic factors, and can inhibit the growth of the brain-derived neurotrophic factors. The compound can improve the disordered neurotransmitter level, and can be used for preparing products for preventing or improving alcoholic nerve injury.

The preparation method comprises the following steps: S1, crushing cordate houttuynia rhizomes, adding the crushed cordate houttuynia rhizomes into a mixed acid aqueous solution, and carrying out immersion treatment to obtain a cordate houttuynia mixed solution; s2, adjusting the pH value of the herba houttuyniae mixed solution to 4-5, adding pectinase, carrying out primary enzymolysis and enzyme deactivation, adjusting the pH value to 6-7, adding compound enzyme, carrying out secondary enzymolysis and enzyme deactivation, so as to obtain an enzymatic hydrolysate; s3, menthol is added into the enzymatic hydrolysate, water extraction is conducted, and water extract and filter residues are obtained; s4, the filter residues are added into ethyl alcohol, then salicylic acid and diacetyl tartaric acid ester of mono (di) glycerides are added, alcohol extraction and filtering are conducted, and an alcohol extraction solution is obtained; s5, mixing the water extract with the alcohol extract, and performing reduced pressure distillation to obtain the herba houttuyniae extract. According to the method, the extraction rate of polysaccharide and flavone in houttuynia cordata can be effectively increased, and meanwhile, the prepared houttuynia cordata extract has better oxidation resistance and has a good application prospect.

The invention provides an application of an active peptide in preparation of a medicine for preventing and treating ALD (Atomic Lymphosis Disease). The amino acid sequence of the active peptide is shown as SEQ ID NO: 1, the active peptide can effectively relieve damage of ethyl alcohol to liver cells, increase of glutamic-pyruvic transaminase activity, lactic dehydrogenase activity and malondialdehyde content and decrease of glutathione content caused by ethyl alcohol can be remarkably inhibited, then the preventing and treating effect on ALD is achieved, and the active peptide is suitable for preparing drugs for preventing and treating ALD and has a good application prospect. Meanwhile, an active peptide resource library with ALD prevention and treatment effects is also enriched.

The invention relates to the technical field of purification of organic chemicals, in particular to an aroma purification method of leaf alcohol. Comprising the following steps: preparing a methanesulfonic acid magnetic catalyst; esterification of leaf alcohol; and alcoholysis and fractionation of the esterification solution. According to the method, acetic acid is used for esterification of leaf alcohol, then clear water and a sodium carbonate solution are used for washing, the clear water can effectively remove some water-soluble impurities and acidic byproducts, and the sodium carbonate solution not only can neutralize residual acidic substances, but also can promote siloxane impurities in initial leaf alcohol to be hydrolyzed and then taken away by a water phase, so that the content of the siloxane impurities in the leaf alcohol is reduced; in the subsequent process of producing leaf alcohol through alcoholysis of the organic phase I, pure water and ethanol, silyl ether impurities are hydrolyzed in a high-temperature and strong-alkali environment, products are dissolved in waste liquid to be removed, olefine aldehyde impurities with the boiling point lower than that of leaf alcohol are removed through azeotropic fractionation with ethanol, in conclusion, the impurities in the finished product leaf alcohol can be effectively reduced, and the yield of the finished product leaf alcohol is increased. And the prepared finished product leaf alcohol is high in purity and pure in fragrance.

The invention discloses a method for producing ethanol through electrocatalytic reduction of carbon dioxide and membrane coupling, and belongs to the technical field of electrochemical reduction and membrane separation coupling. After the alcohol-permeable membrane is arranged in the electrolytic tank, the selectivity of the alcohol-permeable membrane is utilized to separate the liquid-phase product ethanol and remove the product, so that the chemical equilibrium can be promoted to proceed forwards, the electrochemical reaction is promoted, the selectivity and the overall conversion efficiency of the reaction are improved, and the high-purity ethanol can be obtained; the device for preparing ethanol through electroreduction is scientific and reasonable in structure, safe and convenient to use, low in cost and short in treatment flow, and the selectivity of ethanol in the reaction process and the collection process is improved.

The present invention discloses a pretreatment method and application of an alumina-supported copper oxide-rare earth metal oxide catalyst. The pretreatment method is as follows: adding the alumina-supported copper oxide-rare earth metal oxide catalyst used for the reaction of ethanol to higher alcohols into a mixture of one or several C1-C8 alcohols, impregnating at 10-90 °C for 1-24 h, filtering to remove the excess alcohol after impregnation is completed, and then drying in an oven at 40-200 °C for 1-24 h to complete the pretreatment of the catalyst. The present invention provides the application of the alumina-supported copper oxide-rare earth metal oxide catalyst pretreated by the pretreatment method in the reaction of ethanol to higher alcohols. The pretreatment method of the present invention significantly increases the selectivity of the product higher alcohols and keeps the conversion rate of ethanol unchanged or slightly improved, thus solving the problem that it is difficult to balance both the conversion rate and selectivity in the prior art.

The present invention provides: a fermented beer-like sparkling beverage having a real fermentation degree of 60% or less and a value of ([real extract (w / v%)]-[real final extract (w / v%)]) / [real extract (w / v%)] × 100 of 20% or less; the fermented beer-like sparkling beverage having a value of [original wort extract (w / v%)] × [malt ratio (w / w%)] of 1200 or less; and any one of the above-mentioned fermented beer-like sparkling beverages, in which the ratio (Es / HA) of the total concentration (mg / L) (HA) of ethyl acetate, isoamyl acetate, ethyl caproate, ethyl caprylate, and β-phenethyl acetate to the total concentration (mg / L) (Es) of isobutanol, isoamyl alcohol, and β-phenethyl alcohol in the beverage is 15% or less.

The invention discloses a Raman spectrum-based online detection method for glucose and ethanol in a yeast fermentation process. The Raman spectrum-based online detection method specifically comprises the following steps: preparing a yeast seed solution, and inoculating the yeast seed solution into a fermentation tank for fermentation; in the fermentation process, an immersion type Raman optical fiber probe is used for collecting a Raman spectrum in real time, and meanwhile sampling is conducted at regular time to measure the concentration of glucose and ethanol; sequentially carrying out median filtering, adaptive iteration reweighted penalty least square method (airPLS) baseline correction, Savitz-golay (SG) smoothing processing and characteristic peak normalization on the acquired spectrum; respectively establishing concentration prediction models of glucose and ethanol by adopting a PLS1 algorithm; and applying the model to a subsequent batch fermentation process to realize online prediction of glucose and ethanol. According to the method, manual sampling is not needed, prediction is accurate, operation is easy and convenient, and in-situ online detection of glucose and ethyl alcohol in the yeast fermentation engineering can be achieved.

The invention discloses a medium-high temperature heat-power conversion working medium for a high-speed aircraft as well as a preparation method and application of the medium-high temperature heat-power conversion working medium. The medium-high temperature heat-power conversion working medium comprises the following components in percentage by mass: 10-90% of ammonia, 10-70% of multi-component alcohol and the balance of water, the multi-component alcohol comprises at least two of ethanol, isopropanol, ethylene glycol, n-propyl alcohol and n-butyl alcohol; and the mass of each alcohol in the multi-component alcohol is 5-40% of the total mass of the medium-high temperature heat-work conversion working medium. Ammonia, multi-component alcohol and water are combined for the first time, a double-bed catalyst is combined, physical heat absorption can be utilized, heat absorption can be enhanced through chemical reaction, the heat sink can reach 7.0 MJ / kg or above, and the cooling agent can be used for pneumatic heat absorption of a high-speed aircraft with the speed higher than 5 Mach and is high in cooling capacity and low in cost. The method is suitable for a thermal protection system of a pneumatic heating component with higher heat flux and continuous long time; meanwhile, high-temperature and high-pressure small-molecule gas is generated, thrust can be generated to do work, and the maneuverability of the high-speed aircraft is effectively enhanced.

The invention discloses a preparation method of a V-shaped porous starch-grease inclusion compound. According to the method, V-type porous starch is used as a raw material and is blended with grease to prepare the starch-grease inclusion compound. The method specifically comprises the following steps: dispersing grease in a 60% ethanol aqueous solution, adding V-shaped porous starch, magnetically stirring for 2 hours at 25-30 DEG C, centrifuging the solution, washing the obtained precipitate twice by absolute ethyl alcohol, freeze-drying the washed precipitate, grinding, and sieving by a 100-mesh sieve, thereby obtaining the V-shaped starch-grease inclusion compound. According to the method, 60% ethanol is adopted as a solvent, efficient embedding of the grease is achieved under the normal temperature condition, and the adverse effect of a traditional heat treatment method on the oxidation stability of the grease is avoided. According to the method, on the basis of a spiral cavity structure and a honeycomb-shaped pore structure of V-shaped porous starch, grease is efficiently embedded in an inner cavity of the starch by utilizing a blending adsorption method, the content of free grease on the surface is reduced through the synergistic effect of physical adsorption and intermolecular acting force, and the stability of grease embedding is improved.

The invention relates to the field of food and health care products, and discloses a composition for dispelling effects of alcohol and protecting liver, which comprises 20-100 parts of ampelopsis grossedentata leaf extract; 50 to 200 parts of a radix puerariae extract; 10-50 parts of a semen hoveniae extract; 10-50 parts of a turmeric extract; 10 to 100 parts of a yeast extract; 5-50 parts of a licorice extract; and 5 to 20 parts of pyrroloquinoline quinone disodium salt. The ampelopsis grossedentata leaf extract, the kudzuvine root extract and the hovenia dulcis thunb extract are utilized, alcohol decomposition is promoted, the blood ethanol concentration is reduced, and drunkenness symptoms are relieved. Puerarin improves activity of liver metabolic enzymes, accelerates discharge of ethanol and acetaldehyde, and reduces liver damage. The anti-oxidation effects of dihydromyricetin and PQQ can eliminate alcohol metabolism free radicals and protect liver cells. The components such as puerarin, hovenia dulcis thunb, curcumin and glycyrrhizic acid jointly promote liver cell regeneration, inflammation and oxidative damage are reduced, the levels of ALT and AST in serum are reduced, and liver health is maintained.

The invention discloses clostridium and application thereof in fermentation production of alcohol, and belongs to the technical field of industrial microorganisms. The clostridium is a carbon monoxide eating clostridium strain GG6, and is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.34975, and the preservation time is June 23, 2025. The clostridium is a carbon monoxide eating clostridium strain GG6 which is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.34975, and the preservation number is CGMCC No.34975. The carbon monoxide eating clostridium GG6 is obtained by enriching tail gas flue sediments of a coal chemical plant through an abundant culture medium, evolving a screening culture medium and sorting single bacteria, the bacterial strain is fermented by taking synthesis gas (CO / H2 / CO2) as raw material gas to generate acetic acid, ethanol, butyric acid and butanol, the thallus biomass OD600 is more than or equal to 6, the concentration of produced ethanol is more than or equal to 10g / L, the concentration of produced butanol is more than or equal to 2.5 g / L, and the concentration of produced butanol is more than or equal to 2.5 g / L; and commercialized implementation of butanol production through gas fermentation is facilitated.

The invention provides a clostridium endophyllum engineering bacterium as well as a construction method and application thereof, and belongs to the technical field of biology, compared with a wild type strain, the clostridium endophyllum engineering bacterium can only produce acetic acid in a low-pH environment under the condition of taking CO2 and H2 as raw materials, and does not generate by-products such as ethanol, lactic acid, 2, 3-butanediol and the like. Besides, the fermentation liquor of the clostridium endophyllum engineering bacteria can be directly used as an acidic substrate to adjust the pH value of downstream yeast fermentation liquor, meanwhile, automatic addition of a carbon source is achieved, zero addition of inorganic salt in the cascade conversion process from CO2 and H2 to grease or yeast protein is achieved, and the economical efficiency and environmental friendliness of the whole process are improved.

The present application relates to the technical field of fine chemical synthesis, and in particular to an efficient preparation process of octanoyl hydroxamic acid, which comprises the following preparation steps: S1, preparation of ethyl n-octanoate: 90-110 parts by weight of n-octanoic acid and 35-40 parts by weight of ethanol are mixed, and then a solid acid catalyst is added, and the mixture is heated to reflux for reaction for 2.5-3 hours, filtered to obtain a precipitate and a filtrate, and the filtrate is decompressed and distilled to obtain ethyl n-octanoate; S2, preparation of octanoyl hydroxamic acid: 0.4-0.6 parts by weight of sodium acetate and 0.2-0.4 parts by weight of sodium carbonate are added to water, stirred until dissolved, ethanol is added, and after stirring, 24-32 parts by weight of hydroxylamine and ethyl n-octanoate prepared in S1 are added to react to obtain octanoyl hydroxamic acid; the process has the advantage of improving the reusability of the solid acid catalyst.

The invention relates to the technical field of preparation of organic compounds, in particular to 2-chlorophenylhydrazine hydrochloride and a preparation process thereof. The 2-chlorophenylhydrazine hydrochloride is prepared from 500-600 parts of ethyl alcohol, 500-600 parts of stannous chloride solution, 300-350 parts of hydrochloric acid solution, 100-120 parts of 2, 4-dichloronitrobenzene and 10-12 parts of reduced iron powder. According to the preparation method, 2, 4-dichloroaniline hydrochloride is firstly prepared by adopting 2, 4-dichloronitrobenzene as an initial raw material, and due to the relatively stable structure, the chemical property of an intermediate product can be better kept unchanged in the storage, transportation and subsequent reaction waiting links in the whole preparation process; due to the stability, unnecessary chemical reaction or degradation caused by external environment factors can be effectively avoided, so that the subsequent 2-chloroaniline hydrochloride extraction step can be carried out on the basis of a stable starting material, and the stability basis of final product extraction is improved.

To provide a method for preparing a flavor composition dehydrated and de-alcoholized from a strong alcoholic flavor composition, flavor compositions obtainable by the method, and flavored consumer products comprising the compositions.SOLUTION: There is provided a method for preparing a flavor composition by decreasing or removing water and ethanol from a strong alcoholic flavor composition, the method comprising the steps of treating the strong alcoholic flavor composition by a dehydration process and a dealcoholization process.SELECTED DRAWING: None

Disclosed herein are methods of crystallizing the compound of Formula I, as well as crystalline forms thereof. Crystalline forms of Formula I disclosed include the TBME solvate crystalline form, toluene solvate crystalline form, ethanol solvate crystalline form, THF solvate crystalline form, EtOAc solvate crystalline form, acetone solvate crystalline form and crystalline Form C.

The invention belongs to the field of functional materials and surface engineering, and particularly relates to ant-cave-shaped photo-thermal super-hydrophobic sponge and a preparation method and application thereof.The preparation method comprises the steps that melamine sponge is soaked in an absolute ethyl alcohol solution to be repeatedly soaked and then dried; adding dopamine hydrochloride into the tris buffer solution, stirring to obtain a mixed solution, immersing the surface of the dried melamine sponge into the mixed solution, and drying to obtain PDA (at) MS; the preparation method comprises the following steps: firstly adding PDMS and a curing agent thereof into a cyclohexane solution, stirring, then adding MWCNTs, MnO2 and CuO, stirring to form a mixed solution, then spraying the mixed solution on the surface of PDA (at) MS, and drying to obtain a PMOS (P-channel Metal Oxide Semiconductor); and immersing the PMOS surface into a mixed solution of ethanol containing PFOTES and deionized water, and then taking out and drying. Through the fine cross-scale multi-layer gap structure design, high mechanical durability and excellent light absorption capacity are achieved, and efficient anti-icing, deicing, interface evaporation and fresh water production in an extreme environment are achieved.

The invention discloses a preparation method of V-shaped adsorptive starch, and belongs to the technical field of starch modification. The preparation method comprises the following steps: firstly, carrying out high-temperature alcohol-water heat treatment to obtain V-type starch with a V-type single-spiral structure, expanded and loose particles, a large amount of exposed hydroxyl groups and relatively high reaction activity; pullulanase which has a poor enzymolysis effect on original starch and is not applied to enzymolysis of the V-type starch is subsequently adopted for enzymolysis, due to the fact that pullulanase has different enzymolysis characteristics from common saccharifying enzyme and alpha-amylase, short-chain dextrin formed during enzymolysis can be combined with ethyl alcohol to form a V-type compound with an adsorption effect, the V-type compound can be precipitated by the ethyl alcohol, and then the V-type compound can be separated and purified. The utilization rate of enzymolysis byproducts is improved, so that the yield of final products can be improved.

The invention discloses bacillus amyloliquefaciens which is derived from yeast for making hard liquor and has multiple tolerance and hexanoic acid production characteristics as well as a separation method and application of the bacillus amyloliquefaciens. The strain is separated from yeast for making hard liquor, can produce hexanoic acid, has the characteristics of high temperature resistance, acid resistance, ethanol resistance and the like, is identified as bacillus amyloliquefaciens DJ001, is preserved in the China General Microbiological Culture Collection Center (CGMCC), and has the preservation number of CGMCC No.33299. The invention further discloses a method for preparing the caproic acid-resistant yeast for making hard liquor for making hard liquor for making hard liquor for making hard liquor for making hard liquor for making hard liquor for making hard liquor for making hard liquor for making hard liquor for making hard liquor for making hard liquor. When the strain is added into yeast for making hard liquor, the hexanoic acid production capacity and saccharification capacity of the yeast for making hard liquor can be improved, and when the strain is added into fermented grains, the yield of white spirit and the content of ethyl hexanoate can be improved. The method has important values in the aspects of improving the yield and quality of the white spirit, saving the cost, improving the efficiency and the like, and can increase enterprise and social benefits.

The invention belongs to the technical field of biomedicine, and particularly relates to a high-strength regenerated silk fibroin material and a preparation method thereof.The preparation method specifically comprises the step that chemical crosslinking silk fibroin hydrogel is sequentially subjected to gradient alcohol treatment and vacuum drying treatment, and the high-strength regenerated silk fibroin material is obtained, the gradient alcohol treatment refers to staged treatment by adopting an ethanol aqueous solution, the concentration of the ethanol aqueous solution in each stage is fixed, and the concentrations of the ethanol aqueous solutions in different stages are increased along with the increase of stage serial numbers; the finally prepared high-strength regenerated silk fibroin material has a double-cross-linked network structure, and the double-cross-linked network structure is formed by intertwining a silk fibroin chemical cross-linked network and a beta folding structure physical cross-linked network. The preparation method disclosed by the invention is simple and easy to implement, and the compression mechanical property (the compression modulus is greater than or equal to 0.2 GPa) of the regenerated silk fibroin material is remarkably improved.

The invention relates to a plant lactobacillus with effects of dispelling effects of alcohol, protecting the liver and restoring consciousness and application of the plant lactobacillus. The plant lactobacillus is a plant lactobacillus BGI-J9 strain, and the preservation number of the plant lactobacillus is CCTCC NO: M 20242630. The invention further discloses a preparation method of the plant lactobacillus with the effects of dispelling effects of alcohol, protecting the liver and restoring consciousness and application of the plant lactobacillus with the effects of dispelling effects of alcohol, protecting the liver and restoring consciousness. The strain has excellent tolerance to gastric acid, intestinal juice and cholate in a gastrointestinal tract system, can survive in the gastrointestinal tract, and provides a basis for continuously playing a probiotic effect; the compound has excellent inhibition capability on common intestinal pathogens; free radicals can be removed, and oxidative damage to the body is reduced; good alcohol metabolism enzyme synthesis capability and alcohol metabolism promoting potential are realized; the strain also has an excellent improvement effect on alcohol-damaged mice, specifically, the metabolism of ethanol and acetaldehyde in a body is accelerated, the occurrence time of drunkenness is obviously delayed, and the sobering time is shortened; intestinal injury and systemic inflammation caused by alcohol are improved; liver oxidative stress caused by alcohol is improved, and the occurrence and development process of alcoholic fatty liver is delayed; and cognitive function impairment caused by alcohol is improved.

The invention discloses an application of plant starch in preparation of a product for dispelling effects of alcohol and protecting liver. The golden sweet potato starch can be effectively used for dispelling the effects of alcohol and protecting the liver for the first time, the activity of key enzymes ADH and ALDH in an ethanol metabolism path is enhanced, the in-vivo ethanol metabolism speed is increased, liver damage caused by drunkenness is relieved, the golden sweet potato starch has the body protection effect, meanwhile, the drunkenness rate can be reduced, the drunkenness time can be shortened, the content of ALT, AST, TC, TG and LDL-C in the body can be remarkably reduced, and the anti-alcohol effect is achieved. According to the invention, the content of HDL-C is increased, the activity of CAT, SOD and GSH in the liver of the organism is remarkably improved, the MDA level of the liver is reduced, the fat accumulation condition of the liver of the organism is remarkably improved, and a new direction is provided for preparation of products for dispelling the effects of alcohol and protecting the liver.

The invention relates to the technical field of energy conservation and environmental protection, and particularly discloses a preparation method of heat-insulating hydrophobic wood, which comprises the following steps: S1, mixing a silicon source and acid as raw materials to prepare silica sol, then adding an alkaline solution to prepare gel, and aging; s2, mashing the aged gel, adding hexamethyldisiloxane and hydrochloric acid for hydrophobic modification, cooling and standing after modification, discharging modified waste liquid at the lower layer, and filtering and drying a gel solution at the upper layer to obtain modified silicon dioxide aerogel powder; and S3, the modified silicon dioxide aerogel powder obtained in the S2 is added into ethyl alcohol to be evenly mixed, the dried wood is added for vacuum impregnation, drying is conducted after impregnation is completed, and the heat-insulation hydrophobic wood is obtained. The wood obtained through the method has good heat insulation and hydrophobic performance, and the size stability and mechanical performance of the wood can be effectively enhanced.

The invention relates to the technical field of microorganisms. The invention particularly relates to vineyard hansenula polymorpha and application of the vineyard hansenula polymorpha in wine brewing. The vineyard hansenula polymorpha HV-26 is preserved in the China General Microbiological Culture Collection Center on January 14, 2025, the preservation date is January 14, 2025, and the preservation number is CGMCC No.33403. The invention further discloses a preparation method of the vineyard hansenula polymorpha HV-26. The vineyard hansenula polymorpha HV-26 and saccharomyces cerevisiae QA23 are mixed to inoculate and ferment the Guixiang wine, the content of esters and phenethyl alcohol in the wine can be greatly increased, the concentration of bad flavor volatile acid is reduced, and therefore the flower and fruit fragrance of the Guixiang wine is enhanced, the problem that the fragrance is single when commercial saccharomyces cerevisiae is inoculated and fermented independently is solved, and the wine quality is improved. The hansenula polymorpha HV-26 is more complex in fragrance and more prominent in layering sense and style, and has good industrial application potential in wine brewing.

The invention discloses a flash release powder composition as well as a preparation method and application thereof. The flash release powder composition comprises erythritol, xylitol, fructo-oligosaccharide, a cooling agent and silicon dioxide, wherein in the flash release powder composition, the erythritol accounts for more than 80% by mass, the xylitol accounts for less than 1.5% by mass, the fructo-oligosaccharide accounts for 5%-15% by mass, the cooling agent accounts for 0.01%-3.0% by mass, and the silicon dioxide accounts for 0.5%-2.0% by mass; the flash release powder composition is prepared in a wet granulation mode, and in the wet granulation process, the cooling agent, ethyl alcohol and water are mixed to prepare granulation liquid, and the granulation liquid is sprayed into a mixed material of other raw materials; the quick-release powder composition can improve the aspects of choking powder, quick-release taste and granulation fluidity, and can be used for preparing multifunctional food, so that the prepared food can bring better consumption experience to consumers.

The invention relates to the technical field of medicines, in particular to a pharmaceutical composition for improving acute alcoholic gastric mucosal lesion and application. The invention discloses the new medical application of the lucid ganoderma, ginseng and kudzuvine root formula for the first time, and experiments and clinical verifications prove that the formula can increase the activity of key enzymes in stomach and liver tissues of a mouse with acute alcoholic gastric mucosal injury, reduce the content of a proinflammatory factor TNF-alpha in the stomach tissues, increase the generation of an anti-inflammatory factor IL-10 in the stomach tissues, relieve the inflammatory injury of ethanol to gastric mucosa, improve the curative effect of alcohol on the gastric mucosa and improve the curative effect of alcohol on the gastric mucosa. The levels of protective factors EGF, SS and PGE-2 in serum are increased, the defense mechanism of gastric mucosa is enhanced, and the repairing capacity of the gastric mucosa is improved. The discovery has great influence on the research and treatment of acute alcoholic gastric mucosal injury diseases, and has clinical practical value.

The invention belongs to the technical field of tungsten metallurgy, and particularly relates to a method for reducing the water content of tungstic acid, which comprises the following steps: S1, heating a container filled with a sodium tungstate solution in a water bath kettle, stirring the sodium tungstate solution, and adding ethanol; s2, adding hydrochloric acid into the sodium tungstate solution added with the ethanol, adjusting the pH value of the solution, monitoring in real time in the reaction process to ensure that the pH value of the solution is stable, stopping heating to naturally cool the solution to an aging temperature for constant-temperature aging, and then filtering and washing; and S3, drying to obtain tungstic acid. The water content of the tungstic acid obtained after filtering and washing is less than or equal to 30wt%.