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34results about How to "Stable and improved quality" patented technology
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Method for performing nonlinear prediction on coke quality on basis of cohesiveness and coal-rock indexes of single coal
ActiveCN102890145AMultiple Intrinsic Indicator ParametersThe prediction method is practicalFuel testingSupport vector machineAir quality index
The invention discloses a method for performing nonlinear prediction on coke quality on the basis of cohesiveness and coal-rock indexes of single coal, which provides important technical guarantee for improving the stability and quality of coke produced by coke making enterprises. The method comprises the following steps of: establishing an information database storing qualities and coke quality indexes of the single coal for coking, and inputting the cohesiveness indexes and the coal-rock indexes of the single coal for coking into the coal information database; establishing a coal quality prediction model, and predicting quality indexes of matched coal by virtue of a clustering and support vector machine; defining the quality indexes of the matched coal, and predicting quality indexes of the coke according to the quality indexes of the single coal; and establishing a model for predicting the crushing strength and abrasive resistance of the coke. The invention further provides a coke quality prediction system with optimized coal blending of coal-rock, which aims to stabilize and improve the coke quality and reduce the coal blending cost, can form a prediction model with multiple parameters and high accuracy for the coal quality indexes and the coke quality indexes, and simultaneously, has a real-time updating function or a manual intervention function.
Owner:UNIV OF SCI & TECH LIAONING
Yeast fungus for making wine and its application in production of puer tea
InactiveCN1752205AImprove qualityStable and improved qualityFungiPre-extraction tea treatmentBiotechnologyPolysaccharide
A Saccharomyces cerevisiae Psac 0501 (CGMCC No.1372) is prepared through culturing in natural culture medium and purifying culture. It can be used in the production of Pu'er tea for increasing the contents of theapolyose and bisterin in Pu'er tea and shortening productive period.
Owner:秘鸣
Rare earth extraction process dynamic operating control method based on data driving
ActiveCN103744292APrevent classification from over-learningImprove robustnessAdaptive controlRare-earth elementProcess dynamics
The invention belongs to the technical field of rare earth cascade extraction automatic control, and particularly relates to a rare earth extraction process dynamic operating control method based on data driving. A soft measurement model with rare earth element component content is established by using an LSSVM (least square support vector machine), a cluster-based LSSVM sparsity improvement method and an LSSVM model dynamic updating method are provided, and a dynamic operating optimizing method for the rare earth extraction production process is provided based on the improved LSSVM so as to determine the optimum adjustment amount of various control variables during disturbance, so that dynamic and precise control over the rare earth element component content is realized, and further the quality of rare earth products is improved. The method can be used for stably improving the quality of the rare earth products.
Owner:NORTHEASTERN UNIV
Aspergillus oryzae fungus and its application in production of Pu'er tea
InactiveCN1752203AImprove qualityStable and improved qualityFungiPre-extraction tea treatmentBiotechnologyAspergillus oryzae
An Aspergillus oryzae Pasp 0502 (CGMCC No.1374) is prepared through culturing in natural culture medium and purifying culture. It can be used in the production of Pu'er tea for increasing the contents of theapolyose and bisterin in Pu'er tea and shortening the productive period.
Owner:秘鸣
Synthetic method of 2,3-dichloropyridine
ActiveCN107266357AImprove catalytic performanceHigh purityOrganic chemistryHeterogenous catalyst chemical elementsHydrogenWater vapor
The invention discloses a synthetic method of 2,3-dichloropyridine(III). The synthetic method of 2,3-dichloropyridine comprises the following steps: (1) taking pyridine (I) as a main starting raw material, taking water or water vapor as a reaction medium, reacting the pyridine with chlorine completely in the presence of a chlorination inducer to obtain pyridine chloride (II) as a reaction raw material for the next step; (2) taking the pyridine chloride (II) obtained from the first step as the reaction raw material, taking water or water vapor as a reaction medium, enabling the pyridine chloride (II) to be in contact with hydrogen in the presence of an acid-bining agent and a catalyst, and carrying out catalyzed hydrogeneration reduction reaction to obtain the 2,3-dichloropyridine (III) of which the purity is 99% or above, wherein the catalyst is a nano IrO2-ZnO-MnO2 composite catalyst. A reaction equation is as shown in the specification, wherein n ranges from 2 to 5. The synthetic method of 2,3-dichloropyridine has the advantages of high reaction conversion, high selectivity, stable product quality, simplicity in production and operation, low cost and the like, and the shortcomings that the quality of the 2,3-dichloropyridine (III) obtained by an existing synthetic method is not stable, and the quality of the 2,3-dichloropyridine (III) can reach up to the standard after the 2,3-dichloropyridine (III) is rectified repeatedly necessarily are overcome.
Owner:JIUJIANG SHANSHUI TECH +1
Rhizopus arrhizus epiphyte and application of the same in puer tea production
InactiveCN101054556AImprove qualityStable and improved qualityFungiPre-extraction tea treatmentMicroorganismPrimary screening
The invention relates to a fungi Rhizopus arrhizus and its application in Pu'er tea production, belongs to the biotechnology field.The present Rhizopus arrhizus is obtained by traditional primary screening, secondary screening, cultivation on natural medium, purification cultivation using Rhizopus arrhizus)Prhi501 as production bacterial strain, and auxiliary material.(Rhizopus arrhizus)Prhi501,The strain(Rhizopus arrhizus a) Prhi501 is preserved at CGMCC on March 1st, 2007, address being Beijing Haidian District Zhong Guan-cun northern one 13 number, preserving number being CGMCC No.1963.The inventive Rhizopus arrhizus has the effect on improving the Pu'er tea quality, and can apply to the production technology of Pu'er tea.The advantage of the invention lies in: 0.1-0.8%'s proportion of Rhizopus arrhizus is arranged in the big production process of Pu'er tea so tea polyphenols and tea brown can be controlled in appropriate proportion and reach the effect that improves the quality, and shortens process time, which stabilize and improve the pu'er tea is quality.
Owner:YUNNAN AGRICULTURAL UNIVERSITY
Saccharomyces cerevisiae and microbial agent as well as application thereof to preparation of fermented product and particularly brewing of wine in Huazhuo basin
ActiveCN111961603AImprove stress resistanceGuarantee normal brewing productionFungiMicroorganism based processesBiotechnologyMicrobial agent
The present invention relates to the technical field of food processing and particularly to saccharomyces cerevisiae and a microbial agent as well as an application thereof to preparation of a fermented product and particularly brewing of a wine in a Huazhuo basin. The saccharomyces cerevisiae is deposited with the number of CGMCC No. 20562. The saccharomyces cerevisiae provided by the present invention is good in fermentation performance, strong in fragrance production capability and relatively high in tolerance.
Owner:COFCO NUTRITION & HEALTH RES INST +1
Method for producing biodiesel from chlorella
InactiveCN105985989APromote rapid growthPromote accumulationBiofuelsMicroorganism based processesBiodieselOil quality
The invention discloses a method for producing biodiesel from chlorella. The method comprises the following steps: (1) seed culture; (2) seed collection; (3) photoautotrophic cultivation; (4) harvesting of microalgae; and (5) oil extraction. The method provided by the invention uses common chlorella and conditions like mild illumination and light quality, sufficient nutrients, a proper nitrogen-phosphorus ratio and proper temperature and can promote rapid growth of chlorella cells, accumulation of oil and stabilization and improvement of oil quality.
Owner:PETROCHINA CO LTD
High-temperature and high-pressure hydrogenation method for castor oil
ActiveCN101407748AStable and improved qualityShorten the hydrogenation reaction timeFatty acid hydrogenationElectricityHigh pressure
The invention belongs to the hydrogenation technology of castor oil, and more particularly relates to a high-temperature and high-pressure hydrogenation method of the castor oil. The high-temperature and high-pressure hydrogenation method of the castor oil adopts a high-temperature and high-pressure hydrogenation method with the reaction pressure of 2 to 2.5MPa and the temperature of 130 to 150 DEG C; the technique solves the problems in the prior operating technique, shortens the reaction time, with the whole acidolysis time being 7 to 8 hours, improves the utilization ratio of the equipment, and stabilizes and improves the product quality, with the iodine value of less than 3.0g / 100g. Meanwhile, the high-temperature and high-pressure hydrogenation method of the castor oil also greatly reduces the production cost, saves electricity and labor cost by 50 percent, halves the equipment depreciation and doubles the production efficiency.
Owner:SHANDONG TIANXING BIOTECH
Method for reducing arsenic content in tobacco leaves
ActiveCN108739206AReduce arsenic levelsStable and improved qualityFertilising methodsTobacco cultivationTrace elementConsumptive water use
The invention belongs to the technical field of tobacco planting, and particularly relates to a method for effectively reducing the content of heavy metal arsenic in tobacco leaves. The method utilizes the technical principle that molybdenum can antagonize arsenic, and antagonizes the absorption and utilization of the arsenic by the tobaccos by applying trace element molybdenum during tobacco planting. Specifically, after tobacco seeds are normally sown and nursed, and before transplanting of tobacco seedlings and ridging, soluble molybdenum salt is uniformly sprayed (or directly dissolved inirrigation water) to cultivated soil; cultivation and management can be carried out according to conventional field management measures in the later stage; the use amount of the soluble molybdenum salt is specifically 700-1100 mg / L, and the amount applied in the soil is 400-600 L / mu, that is, 0.28-0.66 kg / mu. The method for reducing the arsenic content in the tobacco leaves has the advantages of being low in cost, simple and easy and practical and reliable, can fundamentally reduce the arsenic content in the tobacco leaves, and can lay a foundation for the stability and improvement of tobaccoleaf quality.
Owner:CHINA TOBACCO HENAN IND
Bacterial strain of Paecilomyces lilacinus and application thereof to production of Pu'er tea
ActiveCN105602854AImprove qualityStable and improved qualityFungiPre-extraction tea treatmentMicroorganismPaecilomyces lilacinus
The invention belongs to the field of production of Pu'er tea, and concretely discloses a bacterial strain of Paecilomyces lilacinus and an application thereof to production of the Pu'er tea. The bacterial strain of Paecilomyces lilacinus is Paecilomyces lilacinus TMCC 70004, and the booked number of the bacterial strain in the China general microbiological culture collection center is CGMCC No.8680. The bacterial strain of Paecilomyces lilacinus is applied to pile fermentation process of the Pu'er tea, and the Pu'er tea soup with red, thick, warm and smooth mouthfeel is obtained; at the same time, the bacterial strain can be used for degrading residual pesticides in the Pu'er tea raw material, in order to improve the index of pesticide residue of the Pu'er tea.
Owner:MENGHAI TEA IND
Matrix fertilizer special for organic vegetable planting
InactiveCN105037016AStrong targetingImprove fertilityBio-organic fraction processingOrganic fertiliser preparationDiseaseBiotechnology
The invention provides matrix fertilizer special for organic vegetable planting. The matrix fertilizer comprises 10-30 parts of microbial fermentation microbial inoculums, 10-20 parts of sophora alopecuroide ethanol extract residues, 1-10 parts of sophora flavescens ethanol extract residues, 10-20 parts of chicken manure, 30-50 parts of wheat bran, 20-30 parts of cow dung, 50-100 parts of saw dust and 20-50 parts of humic acid. The organic matrix fertilizer has a certain persistent effect, can prevent and control root-knot nematode diseases and has popularization significance.
Owner:顾伟
High-temperature and high-pressure hydrogenation method for castor oil
ActiveCN101407748BStable and improved qualityShorten the hydrogenation reaction timeFatty acid hydrogenationElectricityHigh pressure
The invention belongs to the hydrogenation technology of castor oil, and more particularly relates to a high-temperature and high-pressure hydrogenation method of the castor oil. The high-temperature and high-pressure hydrogenation method of the castor oil adopts a high-temperature and high-pressure hydrogenation method with the reaction pressure of 2 to 2.5MPa and the temperature of 130 to 150 DEG C; the technique solves the problems in the prior operating technique, shortens the reaction time, with the whole acidolysis time being 7 to 8 hours, improves the utilization ratio of the equipment, and stabilizes and improves the product quality, with the iodine value of less than 3.0g / 100g. Meanwhile, the high-temperature and high-pressure hydrogenation method of the castor oil also greatly reduces the production cost, saves electricity and labor cost by 50 percent, halves the equipment depreciation and doubles the production efficiency.
Owner:SHANDONG TIANXING BIOTECH
Finishing method in rotary disc starter propagation device
ActiveCN102805332AUniform item temperatureThe quality of the song is stableFood preparationCircular discRaw material
The invention provides a finishing method in stirring solid culture raw materials on a disc culture bed uniformly on the basis of considering specifications including conveying quantity relevant to rotation screws and supply quantity to the rotation screws in a starter propagation procedure of a rotary disc starter propagation device to culture filamentous bacteria. The finishing method is a method of stirring the solid culture raw materials (7) 45-70cm thick and disposed on the disc culture bed (3) by multiple rotation screws (11). According to the ratio between conveying quantity of the solid culture raw materials carried from bottom to top in each unit time on the basis of each rotation screw (11) and supply quantity of the solid culture raw materials (7) supplied to the corresponding rotation screw (11) is used as stirring coefficient, and the solid culture raw materials (7) are stirred so that stirring coefficients of the rotation screws (11) are uniform.
Owner:FUJIWARA TECHNO ART CO LTD
Aspergillus oryzae fungus and its application in production of Pu'er tea
InactiveCN1298838CImprove qualityStable and improved qualityFungiPre-extraction tea treatmentBiotechnologyAspergillus oryzae
Owner:秘鸣
A kind of synthetic method of 2,3-dichloropyridine
ActiveCN107266357BImprove catalytic performanceHigh purityOrganic chemistryHeterogenous catalyst chemical elementsHydrogenWater vapor
The invention discloses a synthetic method of 2,3-dichloropyridine(III). The synthetic method of 2,3-dichloropyridine comprises the following steps: (1) taking pyridine (I) as a main starting raw material, taking water or water vapor as a reaction medium, reacting the pyridine with chlorine completely in the presence of a chlorination inducer to obtain pyridine chloride (II) as a reaction raw material for the next step; (2) taking the pyridine chloride (II) obtained from the first step as the reaction raw material, taking water or water vapor as a reaction medium, enabling the pyridine chloride (II) to be in contact with hydrogen in the presence of an acid-bining agent and a catalyst, and carrying out catalyzed hydrogeneration reduction reaction to obtain the 2,3-dichloropyridine (III) of which the purity is 99% or above, wherein the catalyst is a nano IrO2-ZnO-MnO2 composite catalyst. A reaction equation is as shown in the specification, wherein n ranges from 2 to 5. The synthetic method of 2,3-dichloropyridine has the advantages of high reaction conversion, high selectivity, stable product quality, simplicity in production and operation, low cost and the like, and the shortcomings that the quality of the 2,3-dichloropyridine (III) obtained by an existing synthetic method is not stable, and the quality of the 2,3-dichloropyridine (III) can reach up to the standard after the 2,3-dichloropyridine (III) is rectified repeatedly necessarily are overcome.
Owner:JIUJIANG SHANSHUI TECH +1
Organic fertilizer special for organic vegetable
InactiveCN105061103AAvoid infringementStrong targetingBio-organic fraction processingOrganic fertiliser preparationMicroorganismBiotechnology
The application relates to an organic fertilizer special for organic vegetable, which is prepared from 30 to 50 parts of microbial fermentation fungicide, 10 to 20 parts of crushed thunder god vine root and skin, 1 to 10 parts of tomato branches and leaves, 20 to 30 parts of chicken manure, 1 to 10 parts of humic acid, 20 to 30 parts of cake dreg and 10 to 70 parts of straw. The organic fertilizer can effectively increase tomato yield and can prevent grub.
Owner:顾伟
Method for performing nonlinear prediction on coke quality on basis of cohesiveness and coal-rock indexes of single coal
ActiveCN102890145BMultiple Intrinsic Indicator ParametersThe prediction method is practicalFuel testingSupport vector machineAir quality index
The invention discloses a method for performing nonlinear prediction on coke quality on the basis of cohesiveness and coal-rock indexes of single coal, which provides important technical guarantee for improving the stability and quality of coke produced by coke making enterprises. The method comprises the following steps of: establishing an information database storing qualities and coke quality indexes of the single coal for coking, and inputting the cohesiveness indexes and the coal-rock indexes of the single coal for coking into the coal information database; establishing a coal quality prediction model, and predicting quality indexes of matched coal by virtue of a clustering and support vector machine; defining the quality indexes of the matched coal, and predicting quality indexes of the coke according to the quality indexes of the single coal; and establishing a model for predicting the crushing strength and abrasive resistance of the coke. The invention further provides a coke quality prediction system with optimized coal blending of coal-rock, which aims to stabilize and improve the coke quality and reduce the coal blending cost, can form a prediction model with multiple parameters and high accuracy for the coal quality indexes and the coke quality indexes, and simultaneously, has a real-time updating function or a manual intervention function.
Owner:UNIV OF SCI & TECH LIAONING
Rhizopus arrhizus epiphyte and application of the same in puer tea production
InactiveCN100529053CImprove qualityStable and improved qualityFungiPre-extraction tea treatmentBiotechnologyPhenolic content in tea
Owner:YUNNAN AGRICULTURAL UNIVERSITY
A method for reducing chromium content in tobacco leaves
ActiveCN108651208BReduced chromium contentStable and improved qualityTobacco cultivationNicotiana tabacumIrrigation water
The invention belongs to the technical field of tobacco planting, and in particular relates to a method for effectively reducing the heavy metal chromium content in tobacco leaves. This method uses the technical principle of molybdenum to antagonize chromium, and by adding trace element molybdenum in the process of tobacco planting, thereby antagonizing the absorption and utilization of chromium by tobacco. , evenly spray soluble molybdenum salt (or directly dissolve in irrigation water) into the cultivation soil; in the later stage, follow the conventional field management measures for cultivation and management; the specific dosage of soluble molybdenum salt is: 700~1100mg / L , the application amount in the soil is: 400~600L / mu, that is, 0.28~0.66kg / mu. The method for reducing the chromium content in tobacco leaves provided by the application has the characteristics of low cost, simplicity, practicality and reliability, can fundamentally reduce the chromium content in tobacco leaves, and can lay a foundation for the stability and improvement of tobacco leaf quality.
Owner:CHINA TOBACCO HENAN IND
Green trichodermin and its use in production of Pu'er tea
InactiveCN100512658CImprove qualityStable and improved qualityPre-extraction tea treatmentMicroorganismCollection management
Owner:YUNNAN AGRICULTURAL UNIVERSITY
Method for improving quality of black tea by using rhizopus fungi
InactiveCN112535224AImprove qualityStable and improved qualityFungiPre-extraction tea treatmentBiotechnologyPhenolic content in tea
The invention discloses a method for improving the quality of black tea by using rhizopus fungi, and belongs to the technical field of biology. According to the method, the rhizopus fungi are used ina production process of the black tea and have the function of improving the quality of the black tea; and the strain is Rhizopus arrhizus Prhi501, which is obtained through the procedures of traditional primary screening, secondary screening, natural medium culture and rhizopus purification culture of a production strain and auxiliary materials. The Prhi501 is applied to the production process ofthe black tea according to a certain proportion, so that tea polyphenols and thearubigins in the black tea are controlled within a proper proportion range, the effect of improving the quality is achieved, the processing time is shortened, and an important role is played in stabilizing and improving the quality of the black tea.
Owner:普洱学院
Method for improving catalytic performance and stability of benzene hydrogenation catalyst
InactiveCN110180593AImprove catalytic performanceImprove stabilityOrganic-compounds/hydrides/coordination-complexes catalystsHydrocarbon by hydrogenationDecompositionCarboxylic acid
The invention relates to a method for improving catalytic performance and stability of a benzene hydrogenation catalyst and belongs to the technical field of the benzene hydrogenation catalyst. C4-C15carboxylic acid and a sodium hydroxide solution are subjected to a saponification reaction to produce a sodium carboxylate solution, a transition metal inorganic salt solution is added to the sodiumcarboxylate solution for a double decomposition reaction, cyclohexane is added for extraction to obtain a transition metal carboxylate cyclohexane solution, the transition metal carboxylate cyclohexane solution is subjected to impurity removal treatment until free water and emulsification impurities are not detected from the upper layer of the transition metal carboxylate cyclohexane solution, andthen, a trialkyl aluminum solution and alcohols are sequentially added for a complexation reaction to obtain the benzene hydrogenation catalyst, wherein impurity removal equipment is serially connected impurity removal tanks. The benzene hydrogenation catalyst is used in a benzene hydrogenation production process, the consumption of the benzene hydrogenation catalyst is greatly reduced, the running period is prolonged, the yield of downstream products is increased, the production cost is reduced, and industrial application and production are facilitated.
Owner:KUNMING UNIV OF SCI & TECH
Saccharomyces cerevisiae and application thereof in wine brewing
InactiveCN101792719BIncrease profitModerate contentFungiMicroorganism based processesMetaboliteFood flavor
The invention discloses saccharomyces cerevisiae and the application thereof in wine brewing. The saccharomyces cerevisiae is saccharomyces cerevisiae NJZCC17 CGMCC No. 3284. The saccharomyces cerevisiae NJZCC17 is used to brew wine. Compared with the widely used reference commercial saccharomyces cerevisiae strain, the sugar content in the wine prepared by the saccharomyces cerevisiae is 1 to 4 percent, the alcohol content thereof is 9 to 14 percent and the glycerol yield thereof is 4 to 11g / L, the yield of hydrogen sulfide, acetaldehyde, acetic acid, urea and other metabolites which are bad for the flavor or the quality of the wine is lower, the malic acid utilization rate is higher, the volatile aroma components are balanced, the total ester yield is higher and the total high-grade alcohol yield is appropriate, the taste is more complicated and the brewing time is shortened; and therefore, the invention displays important roles in stabilizing and improving the quality of the domestic dry red wine, and displaying the brewing potential of cabernet sauvignon and other red wine in Hebei Changli production area.
Owner:CHINA AGRI UNIV
Aspergillus niger fungus and its application in production of Pu'er tea
InactiveCN1298837CImprove qualityStable and improved qualityFungiPre-extraction tea treatmentMicrobiologyAspergillus niger
Owner:秘鸣
A kind of method for reducing arsenic content in tobacco leaves
ActiveCN108739206BReduce arsenic levelsStable and improved qualityFertilising methodsTobacco cultivationNicotiana tabacumEcology
Owner:CHINA TOBACCO HENAN IND
A data-driven dynamic operation control method for rare earth extraction process
ActiveCN103744292BPrevent classification from over-learningImprove robustnessAdaptive controlProcess dynamicsRare-earth element
The invention belongs to the technical field of rare earth cascade extraction automatic control technology, and particularly relates to a data-driven dynamic operation control method for the rare earth extraction process. By using the Least Square Support Vector Machine (LSSVM) to establish a soft sensor model of rare earth element component content, a clustering-based LSSVM sparsity improvement method and a dynamic update method of the LSSVM model were proposed. Based on the improved LSSVM proposes a dynamic operation optimization method for the rare earth cascade extraction production process to determine the optimal adjustment amount of each control variable when a disturbance occurs, thereby achieving dynamic and precise control of the content of rare earth element components, thereby improving the quality of rare earth products. . The invention can stabilize and improve the quality of rare earth products.
Owner:NORTHEASTERN UNIV LIAONING
Application of ultraviolet light sterilization technology in processing Pu'er tea
InactiveCN1295972CEasy to operateImprove securityPre-extraction tea treatmentRadiationAlcoholUltraviolet
The invention relates to the application of ultraviolet light sterilization technology in processing Pu'er tea, wherein the ultra-violet light sterilization technique is employed into the production process of Pu'er tea, more specifically, into the sterilization of Pu'er tea raw material and workshops. The production process also comprises the conventional heating, sterilizing with alcohol, hydrogen peroxide and ozone. The quality and stability of the Pu'er tea can be improved.
Owner:秘鸣
Processing technique of fragrant Bailin Kongfu black tea
ActiveCN101664084BShorten withering timeAvoid the impact of low temperature and high humidity in springPre-extraction tea treatmentBlack teaSweetness
The invention provides a processing technique of a fragrant Bailin Kongfu black tea, belonging to the technical field of Kongfu black tea processing and solving the problem of Kongfu black tea in theprior art. The fragrant Bailin Kongfu black tea takes tea leaves appropriate for preparing black tea as raw materials, and the finished product is prepared by the following steps of green drying, green rotating, combined withering, screening and conditioning, rolling, fermentation, primary curing and combined curing. The processing technique improves the endoplasm feature of Bailin Kongfu, leads the endoplasm aroma to be with keen sweetness and with obvious flower and fruit fragrance; tea soup has charming red color and brightness; and taste is mellow and sweet and has fruity fragrance. The Bailin Kongfu black tea prepared by the processing technique has keen fragrance, sweetness and obvious fleur in taste, is very popular among consumers and vast tea lovers, and has obvious economical benefits.
Owner:福建品品香茶业有限公司
Yeast fungus for making wine and its application in production of puer tea
InactiveCN1298839CImprove qualityStable and improved qualityFungiPre-extraction tea treatmentBiotechnologyPolysaccharide
A Saccharomyces cerevisiae Psac 0501 (CGMCC No.1372) is prepared through culturing in natural culture medium and purifying culture. It can be used in the production of Pu'er tea for increasing the contents of theapolyose and bisterin in Pu'er tea and shortening productive period.
Owner:秘鸣
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