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61 results about "Viniferal" patented technology

Viniferal is a hydroxystilbenoid with an aldehyde group found in Vitis vinifera (grapevine).

Grape spike selecting and screening machine and sulfur-free red wine brewing method based on grape spike selecting and screening machine

The invention belongs to the technical field of wine brewing, and particularly discloses a grape spike selecting and screening machine and a sulfur-free red wine brewing method based on the grape spike selecting and screening machine. The vibration screening mechanism is used for screening and removing fine impurities and necrotic fruits; the stem guiding mechanism comprises a barrier-shaped material guiding piece which is arranged in a hinged and swinging manner; the stem shifting mechanism comprises a hollow roller rotationally installed below the material guiding piece, shifting rods are installed on the surface of the hollow roller in an inward and outward telescopic mode, and the shifting rods and the barrier bars on the material guiding piece are arranged in a staggered mode. Under the action of magnetic attraction, the poke rod gradually shrinks into the hollow roller, and the outer end part of the poke rod is kept to be inserted into the material guide piece; and when the poke rod rotates to the top of the hollow roller, the poke rod shrinks until the outer end part is separated from the material guide part, so that the stems are separated out. The efficiency and effect of raw material stemming and screening are improved, then the microbial cardinal number of the raw materials is reduced, and subsequent brewing of sulfur-free red wine is promoted.
Owner:SHANXI CHATEAU RONGZI CO LTD

Method and system for the maceration of wines during fermentation with recovery of substances released into the atmosphere

Method and system of maceration of wines in fermentation with recovery of substances released into the atmosphere, which includes a first stage of pre-fermentative cold maceration, which is carried out on crushed grapes and stored in a fermentation tank and where there is an injection of CO2, in order to boost the dissolution of the aromas belonging to the fruity part of the grape; and a second stage where fermentation begins of the grape and the generation of CO2 that carries aromas and alcohol; these substances are sucked out as they are generated; and, subsequently, they are injected back into the must contained in the fermentation tank and it is a system with which it manages to carry out a method of substance recovery in the fermentation of wines; and the stable and structured fixation of aromas in white wine and also colour in red wines.
Owner:ARANDA GALLEGO JOSÉ MANUEL +2

Grape juice hansenula polymorpha YC-C-16 for producing lactic acid and application of grape juice hansenula polymorpha YC-C-16

PendingCN121472056AFungiMicroorganism based processesBiotechnologyEthyl salicylate
The invention provides hansenula polymorpha YC-C-16 capable of producing lactic acid and application of the hansenula polymorpha YC-C-16, and belongs to the technical field of microorganisms and wine brewing. The hansenula polymorpha YC-C-16 is characterized in that the hansenula polymorpha YC-C-16 is named as hanseniaspora uvarum in taxonomy, is preserved in the China Center for Type Culture Collection, has the preservation number of CTCC M 20252302, is preserved in Wuhan University on October 22, 2025, and is named as hanseniaspora uvarum in Wuhan University. The grape juice hansenula polymorpha YC-C-16 disclosed by the invention can be used for fermenting grape wine independently or together with saccharomyces cerevisiae, the content of lactic acid in the grape wine can be increased, and flavor substances such as ethyl butyrate, alpha-terpilenol, ethyl salicylate, ethyl myristate and trans-2-heptenal are added, so that the flavor level of the grape wine is increased. The hansenula polymorpha YC-C-16 provided by the invention can be widely applied to the field of wine fermentation.
Owner:NINGXIA INST OF AGRI PROD QUALITY STANDARDS & TESTING TECH (NINGXIA AGRI PROD QUALITY MONITORING CENT)

Pichia pastoris SIVE9110 and application of pichia pastoris SIVE9110 in maisseria wine

The invention provides a strain of pichia pastoris SIVE9110 and an application of the pichia pastoris SIVE9110 in Morisseria wine. The strain SIVE9110 is preserved in the China Center for Type Culture Collection (CCTCC for short) on September 17, 2025; the address is Wuhan University, Wuchang District, Wuhan City, Hubei Province; the postal code is 430072, and the preservation number is CCTCC (China Center For Type Culture Collection) NO: M 20252052; the Latin name is Pichia occidentalis, and the Latin name is Pichia occidentalis; the strain SIVE9110 and saccharomyces cerevisiae are sequentially fermented, so that the wind and soil characteristics of the maisseria wine can be highlighted; and the prepared maisseria wine is softer and mellow in mouth feel.
Owner:SHANDONG ACAD OF GRAPE

Making method of Maotai-flavor grape distilled liquor

The invention belongs to the technical field of baijiu. The invention provides a making method of Maotai-flavor grape distilled liquor. The making method comprises the following steps: preparing raw materials: selecting grapes and Maotai-flavor liquor; grape treatment: squeezing grapes to obtain grape juice; the grape juice is sequentially fermented and distilled, distilled wine is obtained, and the alcohol concentration of the distilled wine is 53%; mixing: mixing different varieties of distilled wine; blending: blending the mixed distilled wine with Maotai-flavor liquor; and aging: putting the Maotai-flavor grape distilled liquor into an oak barrel, and aging. According to the method, the mixed distilled wine and the Maotai-flavor Baijiu are prepared, the composite wine body with the grape fruity flavor and the typical characteristic cellar bottom flavor of the Maotai-flavor Baijiu is constructed, the aroma complexity, the taste level and the ageing potential of the wine product are remarkably improved, and the single fruit wine is changed into the mixed wine of fruits and grains.
Owner:NINGXIA INST OF AGRI PROD QUALITY STANDARDS & TESTING TECH (NINGXIA AGRI PROD QUALITY MONITORING CENT)

Natural sweet wine low-sulfur brewing method for harvesting white grapes after white grapes turn red

The invention belongs to the technical field of wine brewing, relates to a natural sweet wine low-sulfur brewing method for delaying white grapes until the white grapes turn red and then harvesting the white grapes, solves the health hidden danger and flavor defects caused by high-sulfur addition in the traditional sweet white wine process, and remarkably improves the flavor quality of the wine at the same time. According to the method, complete and healthy red (total anthocyanin content is greater than or equal to 5mg / kg) fruits are selected through artificial spike selection and grain selection, and the cardinal number of infectious microbes in raw materials is reduced; no commercial yeast is added, natural slow fermentation is achieved by means of microorganisms, and the finished product is good in flavor and quality; gallic acid, condensed tannin and hydrolyzed tannin with a ratio of 1: 1: 1 are compounded to prepare wine-brewing tannin, and the wine-brewing tannin and low-dose sulfur dioxide construct a synergistic system, so that the sulfur consumption of sulfur dioxide is greatly reduced, secondary fermentation of high-sugar wine liquid is prevented, and infectious microbes and wine body oxidation are effectively inhibited. The finished product biogenic amine, pesticide and heavy metal residues all meet the safety standard, mycotoxin is not detected, meanwhile, the original flavor of the wine body is prominent, the storage stability is good, and dual guarantee of health and quality is achieved.
Owner:NINGXIA UNIVERSITY

Brewing method of liqueur wine

The invention provides a brewing method of liqueur wine, and belongs to the technical field of wine, and the brewing method specifically comprises the following steps: S1, first treatment before picking: spraying an anti-transpiration agent on grapes two weeks before the beginning of winter; s2, second treatment before picking: spraying a plant metabolism activator on the grapes one week before the beginning of winter; s3, picking: naturally concentrating the grapes on the plants for one week, and picking in the beginning of winter; s4, main fermentation: adding active yeast into the naturally concentrated grapes for fermentation; s5, regulating and controlling flavor: inoculating a Starmeria bacillus strain, and maintaining for 48 hours at the temperature of 14-16 DEG C so as to regulate and control flavor metabolism of the wine body; s6, stopping fermentation and strengthening: adding exogenous alcohol to increase the alcoholic strength to 19 + / -1.0 degrees; s7, ageing: ageing in an oak barrel for more than 10 years; compared with traditional direct picking mechanical concentration, the method has the advantages that the natural quality of grapes is reserved to the maximum extent through biological regulation and accurate picking.
Owner:KWEICHOW MOUTAI WINERY GRP CHANGLI WINE IND CO LTD

Saccharomyces cerevisiae cx51 and application thereof in red wine brewing

PendingCN122278652AEnhance colonization abilityImprove final aromaBiotechnologyAlcohol ethyl
This invention relates to the field of microbial technology. Specifically, it relates to a highly colonizing and aroma-producing brewing yeast, CX51, and its application in red wine production. This brewing yeast, CX51, is deposited at the China General Microbiological Culture Collection Center (CGMCC) on November 19, 2025, with accession number CGMCC No. 39063. In multi-strain mixed fermentation, CX51 effectively suppresses the proliferation of native brewing yeasts and maintains a significant competitive advantage over commercial brewing yeasts, exhibiting outstanding colonization ability. Fermentation of 'Marselle' wine solely with CX51 significantly increases the content of ethanol esters and acetate esters in the wine, enhancing floral and fruity aromas and optimizing the aroma composition and sensory quality. Brewing yeast CX51 has broad prospects for industrial application in the production of specialty red wines.
Owner:CHINA AGRI UNIV

Temperature regulating device and temperature regulating system

[Problem] To provide a temperature adjusting device and a temperature adjusting system which, while forming a wine tank made of concrete, adjusts the temperature of wine in the wine tank without directly contacting a metal pipe, and which uniformly maintains the temperature of the wine by controlling the temperature in the tank. [Solution] The present invention relates to a temperature adjusting device (1) which adjusts the temperature of wine (10) stored in a wine tank (9) made of concrete, characterized in that the temperature adjusting device (1) comprises a pipe portion (4) for circulation, a liquid (3) for circulation which circulates in the pipe portion (4), and a temperature adjuster (2) which adjusts the temperature of the liquid (3) for circulation, in the pipe portion (4), an inlet connecting portion (6) and an outlet connecting portion (7) are formed on the surface of the concrete, and a main pipe portion (5) is buried in the concrete wall.
Owner:GOTO CONCRETE CO LTD

Hansenula polymorpha cloud-268, application thereof, dry red wine fermentation method and microbial agent

The invention relates to the technical field of wine brewing, in particular to hansenula polymorpha cloud-268, application of the hansenula polymorpha cloud, a fermentation method of dry red wine and a microbial agent. The hansenula polymorpha var. Uvarum cloud-268 is preserved in the China Center for Type Culture Collection on December 13, 2013, and the preservation number of the hansenula polymorpha var. Uvarum cloud-268 is CCTCC NO: M2013658. According to the invention, non-saccharomyces cerevisiae YUN-268 and saccharomyces cerevisiae are preferably selected for synergistic fermentation, and the stability of a fermentation system is maintained by using the fermentation biological protection effect of the non-saccharomyces cerevisiae. Accumulation of potential harmful organism amine is remarkably reduced, generation of aroma substances of the grape wine is promoted, and the aroma of the obtained grape wine is richer. The method provides a feasible and efficient technical scheme for green brewing of low-sulfur and high-quality wine, has the advantages of greenness, safety and high quality, and provides a technical path capable of being popularized for industrial production of the low-sulfur dry red wine.
Owner:NORTHWEST A & F UNIV +1

Improved method for the production of fizzy and sparkling wine refermented in bottle

PCT designated stageWO2025172936A1Wine preparationProcess engineeringGrape wine
The present finding relates to a method for the production of fizzy and sparkling wine refermented in bottle (2), which involves the use of a technical cap (1) which allows yeasts and their precipitates to be separated from wine after refermentation, without needing to open the bottle (2) and introducing sulphites therein after bottling, to ensure the preservation of the wine.
Owner:DOZA KFT

Cooked grape wine and preparation method thereof

PendingCN120775658AWine preparationBiotechnologyZingerone
The invention relates to a preparation method of boiled wine, which is characterized in that red wine is used as base wine, auxiliary materials such as dried orange peel, white pepper, dried shredded ginger, haw slices and xylitol are added, and the boiling is completed through a multi-step preparation process. The method comprises the steps of pre-frying, braising, pre-cooking, high-pressure braising, secondary cooking, low-temperature seasoning cooking and the like, and it is ensured that aromatic substances in the auxiliary materials are fully released. Compared with a traditional boiling technology, coumarin and citrus aldehyde in the dried orange peel and gingerol in the dried ginger shreds can be reserved in the stir-frying and braising processes, so that part of piperine in the white pepper is volatilized, and the spicy feeling is reduced; high-pressure braising and natural cooling prevent aromatic substances from volatilizing along with steam. In addition, secondary cooking can promote the conversion of gingerol to zingerone, so that the cooked grape wine is more sweet and warm in mouth feel, and the quality and flavor of the finished product are improved.
Owner:KWEICHOW MOUTAI WINERY GRP CHANGLI WINE IND CO LTD

Application of Papiliotrema lauretii strain in wine brewing

The invention belongs to the technical field of wine brewing, and particularly relates to application of a Papiliotrema lauretii strain in wine brewing, the Papiliotrema lauretii strain is YTS1, the preservation number is CGMCC NO.34923, and the Papiliotrema lauretii strain is preserved in the China General Microbiological Culture Collection Center on June 17, 2025. The invention further discloses a preparation method of the Papiliotrema lauretii strain. The YTS1 + RC212 fermentation mode has positive influence on the variety and content of aroma substances, alcoholic strength, other flavor related physicochemical indexes and fermentation metabolism byproducts of the wine. The YTS1 + RC212 fermentation mode not only improves the yield of glycerol, but also decomposes malic acid and generates lactic acid, improves the fermentation efficiency of the wine, and has the advantage of comprehensively improving the overall flavor quality of the wine.
Owner:BEIJING TECH & BUSINESS UNIV

Wine storage tank and stirring device

The wine storage tank comprises a tank body, a first sealing cover and a second sealing cover, the first sealing cover and the second sealing cover are connected to the top of the tank body in a sealed mode, the top of the tank body is provided with an opening, the edge of the first sealing cover is connected with the inner wall of the opening of the tank body in a sealed mode, and the first sealing cover is provided with a blind groove. The edge of the second sealing cover is in sealing connection with the inner wall of the opening of the tank body, and the second sealing cover is located above the first sealing cover. The utility model provides a wine storage tank and a stirring device. The wine storage tank and the stirring device can meet the secondary fermentation process requirements of special varieties of wine. After the fermentation material is put into the tank body for the first time, the first sealing cover is connected to the tank body in a sealing manner, so that sealing is realized, and primary fermentation is performed; after the primary fermentation is carried out for a period of time, a blind groove in the first sealing cover is punctured to put a secondary to-be-fermented object into the tank body, and then the second sealing cover is connected to the tank body in a sealing manner, so that sealing is realized, secondary fermentation is carried out, and the secondary fermentation of the special wine is realized.
Owner:HEBEI ACAD OF FORESTRY SCI

Method for detecting pesticide residues in wine grapes and wine

The invention provides a method for detecting pesticide residues in wine grapes and wine, and belongs to the technical field of big data analys.The method comprises the steps that different detectors are adopted for conducting at least n times of pesticide residue detection on wine in the same designated field, a plurality of detection records of each detector are obtained, and first preprocessing is conducted on all the detection records; inputting the pesticide residues into a pre-trained neural network model to obtain final pesticide residues, and when the pesticide residues do not meet a residue standard, collecting a first data set of wine grapes in a specified field in a whole growth cycle and collecting a second data set of each brewing process of wine; and generating an optimization direction and an optimization scheme and carrying out residue simulation in combination with a residue association relationship between the planting period and the brewing period and a residue standard until the residue standard is met. The residue detection precision is improved, the standard reaching rate of pesticide residues is improved, and the quality stability of wine is guaranteed.
Owner:NINGXIA HUI AUTONOMOUS REGION FOOD TESTING RES INST

Preparation method of grape wine with high anthocyanin content

The invention discloses a preparation method of grape wine with high anthocyanin content, and belongs to the technical field of grape wine. The method is used for solving the technical problems of high heavy metal content and low anthocyanin content of the added grape skin in the wine brewing process. The invention relates to a preparation method of wine with high anthocyanin content, which comprises the following steps: synthesizing mesoporous ferroferric oxide inorganic microspheres by adopting a hydrothermal method, and introducing a resin-like structure into the inorganic microspheres to synthesize a hybrid adsorbent with high heavy metal ion adsorption efficiency. Preparing an anthocyanin extracting solution from the grape skin powder; adsorbing the anthocyanin extracting solution by adopting a hybrid adsorbent to obtain an anthocyanin concentrated solution; the composite anthocyanidin microcapsule is synthesized by using surfactant modified dextrin as a wall material and an anthocyanidin concentrated solution as a core material. And blending the adsorbed grape juice, grape skin composite microcapsules, pectinase and saccharomycetes, introducing sulfur dioxide gas, and carrying out culture fermentation to obtain the grape wine with high anthocyanin content.
Owner:YANTAI SAFERAM WINE CO LTD

Method for improving malic acid-lactic acid fermentation performance of Oenococcus oeni SD-2a in red wine

The invention discloses a method for improving the malic acid-lactic acid fermentation performance of Oenococcus oeni SD-2a in red wine, and belongs to the technical field of wine brewing. According to the method disclosed by the invention, after an alcoholic fermentation stage of the red wine is finished, filtration and sterilization are carried out, proline and Oenococcus oeni SD-2a are added, and then malic acid-lactic acid fermentation is carried out. The invention finds that the stress effect of high-concentration alcohol on Oenococcus oeni SD-2a can be reduced by adding proline in the malic acid-lactic acid fermentation stage after the alcoholic fermentation stage in the wine is ended; the fermentation effect is promoted, so that the aroma complexity of the wine is improved; the antioxidant activity of the grape wine is improved by the proline; phenolic compounds in the wine are protected, and finally the quality of the wine is remarkably improved.
Owner:GANSU AGRI UNIV

Non-saccharomyces cerevisiae, compound fermentation liquor and application of non-saccharomyces cerevisiae and compound fermentation liquor in wine aroma enhancement

The invention belongs to the technical field of wine brewing, and particularly relates to non-saccharomyces cerevisiae, compound fermentation liquor and application of the non-saccharomyces cerevisiae in wine aroma enhancement, two non-saccharomyces cerevisiae strains are obtained through separation and screening, namely, the torulaspora delbrueckii JX2 strain with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No.34925 and the pichia kudriavzevii M9 strain with the preservation number of CGMCC No.34924. The preparation method comprises the following steps: carrying out fermentation culture on a torulaspora delbrueckii JX2 strain and a pichia kudriavzevii M9 strain to obtain a compound fermentation solution; the composite fermentation liquor can improve the overall aroma quality, aroma richness and flower and fruit aroma of the wine and improve the overall balance of the flavor quality of the wine.
Owner:BEIJING TECH & BUSINESS UNIV

A visual tank top buffer that facilitates wine aging

ActiveCN224280204UReduce labor management costsreduce participationAlcoholic beverage preparationHigh concentrationFood grade
This application discloses a visual tank-top buffer that facilitates the aging of wine. A buffer with a liquid level scale is installed in the manhole. During fermentation, any overflowing wine due to temperature changes can flow into the buffer, providing a buffer for the overflowing wine. Simultaneously, a sulfur sealer is installed on top of the buffer. A small amount of 6% food-grade sulfurous acid solution can be placed in the sulfur sealer's tank. Because the high concentration of sulfurous acid solution evaporates into a gaseous state, it can be replenished into the upper layer of the wine in the buffer under the action of wind, dispersing or combining with oxygen, thus protecting the wine from contact with oxygen. At the same time, gaseous sulfur dioxide does not easily enter the wine, forming an inert space, thus fully ensuring that the wine does not combine with oxygen, while also coping with the influence of temperature on the wine level.
Owner:NINGXIA XIGE WINERY CO LTD

A wine yeast strain containing Hansenula polysaccharide G2, fermentation agents containing Hansenula polysaccharide G2, and their applications.

This invention relates to the field of industrial microbiology, specifically disclosing a strain of *Hanseniaspora uvarum* G2, its fermentation agent, and its applications. The *Hanseniaspora uvarum* G2 strain has the preservation number CGMCC No. 25348 and exhibits excellent characteristics such as high production of β-glucosidase (66.03±2.46 U / mL). Its application in winemaking can significantly increase the content of esters and alcohols in wine. Simultaneously, it can increase the content and variety of terpenes in wine, enhance the flavor complexity of wine, and impart rich floral, banana, pear, and apple fruit aromas, thereby giving the wine a distinct regional character.
Owner:HEBEI AGRICULTURAL UNIV.

Early warning method, device and device for pesticide residues in wine and storage medium

The invention provides an early warning method, device and device for pesticide residues in grape wine and a storage medium, and relates to the technical field of early warning of the pesticide residues. A pesticide residue report of the grape wine is determined according to pesticide residue parameters of the grape wine, the type of the grape wine and a wine making process table of the grape wine; the accuracy of the pesticide residue report of the grape wine is ensured, and the overall management and control from grapes to the grape wine are fully considered. Determining an early warning node according to the pesticide residue report of the wine, the type of the wine and the early warning logic, and determining a corresponding pesticide residue early warning event according to the early warning node, the pesticide residue parameters of the wine and the brewing process of the next node of the early warning node; the optimized wine brewing process table is determined according to the early warning event of the pesticide residues and the wine brewing process table, management and control of the early warning nodes are achieved, the rationality of the optimized wine brewing process table is guaranteed, and the abnormal situation that the wine has the pesticide residues is avoided.
Owner:NINGXIA HUI AUTONOMOUS REGION FOOD TESTING RES INST

Phytobacterium plantarum YH-17 and application thereof in wine brewing

The invention discloses a lactobacillus plantarum YH-17 strain and an application of the lactobacillus plantarum YH-17 strain in wine brewing, and belongs to the technical field of microorganisms. The strain has the advantages of excellent alcohol and SO2 tolerance, prominent acid reduction capability, fast growth speed, high safety, no generation of biological amine, and no degradation of glycerin and citric acid. The strain is used for malic acid-lactic acid fermentation of wine, the fermentation speed is high, the deacidification effect is good, the aroma producing capacity is excellent, the aroma level of the wine can be enriched, the taste roundness is improved, and the problems of wine homogenization and high cost caused by current commercial Oenococcus oeni can be effectively solved.
Owner:NINGXIA UNIVERSITY

Saccharomyces cerevisiae engineering bacteria with high yield of mannan as well as construction method and application thereof

The invention discloses saccharomyces cerevisiae engineering bacteria with high yield of mannan as well as a construction method and application of the saccharomyces cerevisiae engineering bacteria, and belongs to the technical field of brewing microorganisms. The saccharomyces cerevisiae engineering bacterium is obtained by modifying saccharomyces cerevisiae BY4741 serving as a chassis strain by utilizing a CRISPR / Cas9 gene editing technology, firstly, genes SMI1 and FKS1 for controlling synthesis of beta-1, 3 glucan are knocked out from the saccharomyces cerevisiae BY4741, a polyterpenyl phosphate-beta-glycosyl transferase gene ALG5 is subjected to free overexpression, and the final mannan yield reaches 283.16 mg / L (28.316 mg / g thallus dry weight). Alpha-1, 2-mannosyl transferase MNN2 is knocked out on the basis of the strain to obtain saccharomyces cerevisiae engineering bacteria, and the saccharomyces cerevisiae engineering bacteria are fermented, cultured, extracted, separated and purified to obtain high-purity mannoglycoprotein without N-glycosylated branched chains. The wine has the effects of remarkably reducing the astringent taste of the wine, improving the roundness of a wine body, improving tartrate precipitation and the like, so that the overall quality of the wine is improved.
Owner:SHAANXI NORMAL UNIV

Method for enhancing fruity flavor by ageing wine in specific stoneware pottery jar

The invention discloses a method for enhancing fruity flavor by ageing wine in a specific stoneware pottery jar, and belongs to the technical field of wine production. According to the method, the wine is aged by using an unglazed pottery jar with a certain oxygen permeation rate instead of a traditional oak barrel, and a series of reactions such as an oxidation reaction and an esterification reaction in the aging process are promoted by a micro-aerobic environment. The fruit fragrance of pineapples, pears and the like in the grape wine can be obviously enhanced, and the anterior nose threshold value of various important fruit fragrance organic compounds is reduced. The method proves that the 2-acetyl-1H-pyrrole can obviously enhance the fruity flavor of the grape wine for the first time. Comparison experiments show that the red wine treated by the method is rich in fruity flavor, lower in green smell, astringent taste and bitter taste strength, softer in wine body and more harmonious in flavor.
Owner:JIANGNAN UNIV

Wine and brewing method thereof

The invention belongs to the technical field of food, and more particularly relates to grape wine and a brewing method thereof, and the brewing method specifically comprises the following steps: after high-pressure pulse treatment of grape pulp, adding pectin lyase and grape seed polyphenol extract, and carrying out cold dipping and enzymolysis for 60-72 hours at 5-8 DEG C under the protection of inert gas to obtain enzymatic hydrolysate; inoculating a composite yeast agent into the enzymatic hydrolysate, and performing staged temperature-controlled fermentation; and after the fermentation is finished, adding nanoscale oak microcapsules into the fermentation liquor, and ageing for 3-4 months in a micro-aerobic environment with dissolved oxygen of 0.2-0.5 mg / L to obtain the grape wine. According to the method, the polyphenol extraction rate of the wine is increased to 92%, esters are larger than or equal to 200 mg / L, melatonin is 0.5-2 mg / L, methanol is smaller than or equal to 80 mg / L, acetaldehyde is smaller than or equal to 20 mg / L, and the ageing period is shortened to 3 months.
Owner:NINGDE AGRI SCI RES INST

Grape wine flavor nonlinear evolution characterization method and system based on sensory data

PendingCN121435185AWine preparationFruit wineVintage
The invention discloses a grape wine flavor nonlinear evolution characterization method and system based on sensory data, and relates to the technical field of grape wine and fruit wine flavor chemistry, and the method comprises the following steps: collecting sensory characteristic quantitative data of a plurality of years of grape wine samples, analyzing a flavor characteristic dynamic weight by adopting a principal component analysis (PCA), establishing a nonlinear evolution model in combination with Gaussian process regression; and dynamically characterizing the sensory quality of the wine in different storage periods through the nonlinear evolution model. According to the method, through combined innovation of dynamic weight calculation and Gaussian process regression, visual characterization of the sensory quality along with wine age evolution is achieved, and the method has important significance on wine process technology optimization, storage period management and differentiated market promotion strategies.
Owner:TURPAN LOULAN WINE IND

Saccharomyces cerevisiae with high glycerol yield and application of saccharomyces cerevisiae in wine fermentation in Ningxia region

The invention relates to saccharomyces cerevisiae with high glycerol yield and application of the saccharomyces cerevisiae in wine fermentation in Ningxia region, and belongs to the technical field of microorganisms. The saccharomyces cerevisiae ND10 provided by the invention endows the wine from Ningxia region with good flavor and mouth feel. The brewer's yeast ND10 disclosed by the invention is inoculated to the native wine grape raw material in Ningxia, so that the complexity and fullness of the taste of the wine can be increased on the basis of not influencing the aroma of the wine, and the taste of the wine is mellow, full, fleshy and smooth. Meanwhile, by replacing commercial saccharomyces cerevisiae with the saccharomyces cerevisiae provided by the invention, the defects of wine quality assimilation and the like caused by use of imported commercial saccharomyces cerevisiae can be improved, and the characteristics of wine in Ningxia region can be better presented, so that the wine industry in Ningxia region can be helped to form own local characteristics; the development of the wine industry in the whole production area and even the independent and innovative development of the wine industry in China are promoted.
Owner:CHINA AGRI UNIV

Method for preparing wine from red yeast composite yeast

The invention relates to an improved wine brewing method, and aims to improve the quality and taste of wine. The quality and taste of the grape wine are closely related to microbial strains, and the grape wine which better retains the natural flavor of grapes and is more complex and elegant can be brewed by using specific microorganisms (red yeast compound yeast) and controlling and fermenting processes. The wine is bright in color and mellow in taste, contains higher alcohols, fatty acids, volatile acids, esters and the like of common wine, also contains natural monascus pigments, monacolin K and the like, has the health-care effects of reducing human serum cholesterol and the like, aims at public taste and is beneficial to body health.
Owner:CHONGQING TONGLIANG DISTRICT TEACHERS TRAINING SCHOOL +1