64results about How to "Good fermentation properties" patented technology

The invention relates to a strain used as hametz of microorganism, belonging to technical field of processing agricultural microorganism and food, which comprises the strain and the compound hametz ofplant lactocin as well as the application. The invention is characterized in that: the microzyme-Custer bouquet yeast strain can obtain by separating and filtering, which is suitable for fermenting the rice steamed sponge cake; the yeast strain is preserved in Chinese typical culturing and preserving centre and the preserved number is CCTCC NO: M207150. The microorganism compound hametz can be made by the ZSM-001 Custer bouquet yeast strain and AS1.510 plant lactocin (Lactobacillus plantarum), and can be used in rice fermented products, such as rice steamed sponge cakes. The invention has theadvantages of good fermenting performance and easy commercial process, and the products made by the invention have a typical sweet and sour perfume.

The invention relates to preparation and application of aspergillus niger used for phosphate degrading, potassium degrading and cellulose degradation and a microbial agent of the aspergillus niger. The CS-1strain has the ability to degrade phosphorus and potassium and degrade cellulose efficiently; the CS-strain 1 can play a role in phosphate degrading, potassium degrading and cellulose degradation when the roots of wheat, cucumber, apple and other crops are stable; the microbial agent prepared from the strain can significantly promote the growth of the crops, can be applied to the productionof microbial fertilizers. The aspergillus niger has important significance in effectively reducing the use amount of chemical fertilizers, enhancing the soil fertility, increasing the crop yield and promoting the direct return of straw to the field.

The invention discloses staphylococcus epidermidis and an application thereof in production of a fermented meat product. The invention also provides a starter prepared from the staphylococcus epidermidis and an application thereof in meat product fermentation. The meat product fermented by the staphylococcus epidermidis disclosed by the invention has good flavor, and the product has stable quality without peculiar smell while the chromophoric effect is good.

The invention relates to probiotic lactobacillus rhamnosus fermented milk and a preparation method thereof. The probiotic lactobacillus rhamnosus fermented milk comprises the following raw materials in percentage by mass: 0.8%-9% of sweet sugar, 0.8%-2.0% of whey protein powder, 0.10%-0.20% of lactobacillus rhamnosus grx10 inoculation fluid and 0.125%-1% of streptococcus thermophilus inoculation fluid and the balance of raw milk based on 100% of the raw material components. According to the probiotic lactobacillus rhamnosus fermented milk, a fermented milk formula of the lactobacillus rhamnosus grx10 is optimized, a fermentation process matched with the formula is screened out, a fermented milk product with stable quality and good mouth feel is obtained on the premise of not adding food additives such as a stabilizer and the like, the viable count of lactobacillus rhamnosus of the fermented milk product reaches the health care requirement, the fermented milk product lays a good foundation for large-scale fermentation production and widespread use of the lactobacillus rhamnosus grx10.

The invention discloses probiotic powder with an anti-oxidation function and a preparation method thereof. The probiotic powder with the anti-oxidation function is prepared from lactobacillus kefir KL22 and lactobacillus plantarum N3117; and oligosaccharides, marine polysaccharides and maltodextrin are utilized as compound components so as to carry out processing and preparation. The prepared probiotic powder has very good hydroxyl free radical (HO.) scavenging capability, superoxide anion free radical (O2-.) scavenging capability and 1,1-diphenyl-picryl hydrazinyl free radical scavenging capability.

The invention provides a cellulose-degradation fungus, preparation of an inoculum and an application thereof. According to the invention, a strain is obtained from Mount Taishan woodland humus soil by artificial enrichment and screening; the strain is identified as penicillium oxalicum, which is named as penicillium oxalicum C2; the strain has good cellulose degradation capability, and high cellulose-production activity; after shake flask fermentation for 3 days, the filter paper cellulose activity is up to 132.26 U/mL; When used in silkworm excrement compost, the conidium inoculums prepared from the penicillium oxalicum C2 can increase the compost temperature, prolong the high temperature stage, facilitate water content reduction, promote organic matter decomposition and the increase of total nitrogen relative content, decrease the C/N ratio, raise the seed germination index, accelerate the composting process, improve decomposition efficiency and fertilizer quality; the preparation method of the inoculums is simple in process, low in cost, and suitable for industrial production.

The invention discloses a method for raising S-adenosyl-L-methionine production level by saccharomyces cerevisiae metabolic engineering. By means of saccharomyces cerevisiae gene knockout, an S-adenosylmethionine decarboxylase coding gene SPE2 on a chromosome of saccharomyces cerevisiae is subjected to mutation inactivation to obtain SPE2 mutant strains. Compared with an original saccharomyces cerevisiae strain, the mutant strains have the advantages of high SAM (S-adenosyl-L-methionine) accumulation capability and evident improvement of SAM yield. Particularly, on the basis that the saccharomyces cerevisiae mutant strains are obtained after knockout of a glycogen branching enzyme gene GLC3, knockout of the gene SPE2 is further carried out, or knockout of the gene SPE2 is carried out before knockout of the gene GLC3, yield of ademetionine produced with the saccharomyces cerevisiae strains is evidently increased to be higher than 55.1%.

The invention discloses lactic acid bacteria starter culture, probiotics drinking yogurt prepared by the aid of the lactic acid bacteria starter culture and a method for preparing the probiotics drinking yogurt. The lactic acid bacteria starter culture comprises lactic acid bacteria inoculation liquid including, by weight, 8-26 parts of lactobacillus rhamnosus grx10 inoculation liquid, 0.9-1.8 parts of bifidobacterium lactis inoculation liquid and 0.5-1.5 parts of streptococcus thermophilus inoculation liquid. The content of lactobacillus rhamnosus grx10 in the lactobacillus rhamnosus grx10 inoculation liquid ranges from 100 U/t to 200 U/t; the content of bifidobacterium lactis in the bifidobacterium lactis inoculation liquid ranges from 60 U/t to 120 U/t; the content of streptococcus thermophilus in the streptococcus thermophilus inoculation liquid ranges from 30 U/t to 60 U/t. The lactic acid bacteria starter culture, the probiotics drinking yogurt and the method have the advantagesthat various components in the lactic acid bacteria starter culture are reasonable in usage, and probiotic effects of the lactobacillus rhamnosus grx10 can be stimulated by the bifidobacterium lactisand the streptococcus thermophilus to a great extent; the probiotics drinking yogurt is excellent in quality and suitable to be drunk and has excellent flavor.

The invention relates to the technical field of screening of microbial strains, and in particular to a screening method of an avilamycin high-producing strain. The method comprises the following steps: preparing streptomyces viridocbromogene protoplast; inducing mutation of the protoplast by virtue of an ARTR system; implementing preliminary screening in accordance with morphological characteristics and colony bacteriostatic biological value of the induced strain; and then, implementing shaking flask secondary screening by taking avilamycin bacteriostatic value and avilamycin A component content as indexes; and the strain, obtained from screening, has the advantages of being high in fermenting stability and high in avilamycin yield, and being high in content of effective components. According to the screening method provided by the invention, cost of preparing related products is reduced, and an excellent potential of industrial application is shown.

The invention discloses saccharomyces cerevisiae with low fusel yield and high ester yield and application of the saccharomyces cerevisiae in fermented food production, and belongs to the technical field of fermentation engineering and biology. The invention provides an industrial production safety strain saccharomyces cerevisiae jiangnanan 2 # which is excellent in stress resistance, good in fermentation performance, different in fermentation performance and capable of meeting the requirements of low fusel yield and high ester yield of different alcoholic beverages and fermented food, the content of urea and ethyl carbamate in yellow rice wine produced through fermentation of the strain is lower than the limit specification in the yellow rice wine, and organic acid, amino acid and other physicochemical indexes all meet the national standard requirements of yellow wine.The saccharomyces cerevisiae provided by the invention can significantly improve the flavor of the yellow wine, meet the industrial production requirements of high-comfort and high-safety high-quality yellow wine, significantly improve the flavor of the yellow wine, meet the industrial production requirements of high-comfort and high-quality yellow wine, and have good application prospects. And meanwhile, the safety and the quality can be improved when the method is applied to other fermented foods.

The invention provides an anti-bacteriophage lactobacillus plantarum strain and application thereof in fermented soybean milk, and belongs to the technical field of microorganisms. The preservation number of the anti-bacteriophage lactobacillus plantarum strain IMAU10120-1 is CGMCC No. 18692. The strain has the characteristic of high cholate resistance, the survival rate of the strain in small intestines can be increased, and meanwhile, the strain has relatively good tolerance to gastrointestinal fluid. Meanwhile, the strain has excellent fermentation characteristics. According to the application of the anti-bacteriophage lactobacillus plantarum strain IMAU10120-1 in fermented soybean milk, the prepared fermented soybean milk has the characteristics of relatively high fermentation speed and good sensory characteristics, and has stable storage characteristics and texture, so that the strain is a good potential fermented soybean milk leavening agent.

The invention relates to the technical field of food processing, in particular to a yeast strain for food fermentation, a leavening agent and application of the yeast strain or the leavening agent. Pichia guilliermondi Y10 has the preservation number of CCTCC NO:m 2015809 and is preserved in the CCTCC. The leavening agent comprises Pichia guilliermondi Y10 and lactic acid bacteria. The leavening agent is applied to making of rice milk beverages, rice steamed sponge cakes, rice wine and rice flour. The strain can be used as a high-quality special leavening agent and can make microorganisms with main fermentation effect in a product serve as an advantageous strain, fermentation is strengthened, fermentation time is short, fermentation characteristics are good, and the product is stable in quality and excellent in flavor.

The invention provides an application of creatine pyruvate as a feed additive for promoting rumen fermentation of heat stress beef cattle, and belongs to the field of feed additives. The proper use amount of creatine pyruvate used as a feed additive for promoting rumen fermentation of heat stress beef cattle is 20-60g/d.head, resource waste is caused by the too high addition amount, and the effectcannot be achieved due to the too low addition amount. As a feed additive for promoting rumen fermentation of heat stress beef cattle, creatine pyruvate can provide energy and a nitrogen source for rumen microbial fermentation at the same time, can effectively adjust the stress hormone level of the heat stress beef cattle, and can improve the oxidation resistance and rumen fermentation traits ofthe beef cattle to relieve the heat stress of the beef cattle.

The invention discloses a Chinese herbal medicine microorganism fermentation preparation, as well as a preparation method and using method thereof. The Chinese herbal medicine microorganism fermentation preparation solves the technical problem that when antibiotics are used as medicines or feed additives, defects of having drug residues, having drug-resistant strains, damaging normal flora of animal intestinal tracts, and the like exist. The Chinese herbal medicine microorganism fermentation preparation for beasts and birds is characterized by being prepared from four raw materials: traditional Chinese medicines, culture media, a bacterium solution and an auxiliary material, wherein the traditional Chinese medicines comprise the following components in parts by weight: 5.0-15 parts of astragalus membranaceus, and 1.0-10 parts of angelica sinensis; the culture media comprise the following components in parts by weight: 2.5-17.5 parts of glucose, 2.5-17.5 parts of peptone, 0.35-2.25 parts of yeast powder, 0.15-1.25 parts of dipotassium phosphate, 0.015-0.125 part of magnesium sulfate, 0.0035-0.0225 part of manganese sulfate, 0.8-5.5 parts of calcium carbonate, and 0.45-2.75 parts of sodium chloride; the bacterium solution comprises the following component in parts by volume, 3.0-10 parts of a bacterium solution of enterococcus faecalis; the auxiliary material comprises 5.0-20 parts of bran. The Chinese herbal medicine microorganism fermentation agent disclosed by the invention is green and healthy, has no toxic or side effects, and is safe and effective.

The present invention discloses a Lactobacillus brevis strain, a culture method and uses thereof, and the Lactobacillus brevis strain is a Lactobacillus brevis PL6-1 which is separated from pickled radish, has gram positive and catalase negative, is in the shape of a short rod, and contains heat-resistant glutamate decarboxylase. Meanwhile, a Chinese cabbage extracting solution culture medium forimproving the fermentation performance of the strain and a method for producing gamma-aminobutyric acid are developed on the basis of the strain. The Chinese cabbage extracting solution culture mediumis prepared from the following components in parts by weight: 20 to 35 parts of Chinese cabbage extracting solution, 2 to 6 parts of glucose, 0.2 to 4.5 parts of yeast extracting solution and 0.3 to2.2 parts of metal salt. According to the culture medium, the production cost of gamma-aminobutyric acid can be greatly reduced, and meanwhile the yield and conversion rate of gamma-aminobutyric acidare remarkably increased.

The invention relates to the technical field of microorganisms, and especially relates to a lactococcus lactis with the depression improving effect, and application thereof. The lactococcus lactis is named as Lactococcus lactis WHH2078, the strain is preserved in the China General Microbiological Culture Collection Center on February 25, 2021, and the preservation number of the strain is CGMCC NO.21831. The Lactococcus lactis WHH2078 disclosed by the invention has good adhesion characteristics, acid and cholate resistance and an intestinal barrier protection function, can be used for remarkably reducing the level of corticosterone in serum and relieving depression/anxiety-like behaviors by callback of in-vivo depression-related nerve factors, and has a remarkable depression improving effect; and the fermentation characteristic is excellent, and the strain can be applied to fermented milk and can also be applied to drugs, health care products or food for preventing and/or treating depression.

The invention provides lactobacillus cavings for fermentation and application thereof. Lactobacillus is separated from a natural fermentation enzyme, is identified as Lactobacillus farraginis, is named as 84-M-Y-7, is preserved in the China General Microbiological Culture Collection Center (CGMCC), and has a preservation number of CGMCC No.22055. The strain is lactic acid bacteria for food, and is short in culture period and high in growth and reproduction speed. The invention also provides an application of a fermentation process of the strain, and a beverage product is obtained through fermentation, after-ripening, centrifugation, filtration, seasoning and filling. A fermented beverage product prepared by utilizing the strain optimizes the original flavor of traditional Chinese medicinal materials on the basis of having the unique fragrance and taste of natural plant beverages, so that the product is better in taste, higher in nutritional value, longer in shelf life and good in oxidation resistance.

The invention discloses compound feed for improving the estrus rate of s Sanyuan replacement gilt. The compound feed comprises the following ingredients in parts by weight: 55-65 parts of corns, 7-10parts of soybean meal, 10-15 parts of fiber compounds, 1-2 parts of soybean oils, 1-2 parts of corn starches, 0.5-1 part of table salt, 1-2 parts of mountain flour, 1-2 parts of c calcium hydrogen phosphate, 0.3-0.5 part of lysine, 0.4-0.8 part of threonine, 1-2 parts of Chinese herbal medicine fermentation products, 0.1 part of choline chloride, 0.02 part of antioxidant, 0.05 part of mildew-proofagent and 3-4 parts of gilt compound premix materials. In the compound feed disclosed by the invention, key raw materials are subjected to fermentation and enzymolysis, nutrition is comprehensive, and the normal growth of the reproductive system of the Sanyuan replacement gilt can be guaranteed. Since the corn flour and the soybean oils are added, a ratio of energy from the starch and fat in feedenergy can be guaranteed, and triglyceride and total cholesterol concentrations in gilt blood can be improved so as to be favorable for puberty startup. Since a fiber compound is used for replacing bran, the secretion of insulin is accelerated so as to be favorable for the sex hormone secretion of the replacement gilt, the replacement gilt is accelerated to enter the estrus, the intestinal floraof the replacement gilt can be regulated, and the intestinal health of the replacement gilt can be maintained.