301 results about "Lactobacillus fermentum" patented technology

Provided is a Limosilactobacillus fermentum VB216, which has the deposit number of CGMCC No. 26578 in the China General Microbiological Culture Collection Center, and has the deposit date of 20 February 2023. The Limosilactobacillus fermentum has inhibitory activities with regard to a variety of pathogenic bacteria and excellent activity for degrading arginine. The present invention can be used in the preparation of products, such as food, health-care food, medicine and feed, for preventing and / or relieving and / or treating arginine metabolism-related diseases, such as hyperarginemia, malignant tumor treatment, allergic reactions, eczema, pruritus and abdominal spasm, and has great application prospects.

The invention discloses fermented lactobacillus mucus NJ-10 and application thereof in preparation of rare ginsenoside-rich metagen through fermentation conversion, and relates to the field of probiotic fermentation. The lactobacillus fermentum NJ-10 is preserved in the China Center for Type Culture Collection on February 25, 2025, and the preservation number of the lactobacillus fermentum NJ-10 is CCTCC (China Center for Type Culture Collection) NO: M 2025300. According to the present invention, the fermentation lactobacillus mucus NJ-10 capable of producing beta-glucosidase, which is subjected to autonomous separation and identification, can be used for fermentation and conversion of ginseng stem and leaf saponin, and then is subjected to post-generation preparation in a high-temperature and high-pressure steam manner, such that the beta-glucosidase producing beta-glucosidase can be produced, and the beta-glucosidase producing beta-glucosidase producing beta-glucosidase producing beta-glucosidase producing beta-glucosidase producing beta-glucosidase can be produced. According to the method, ginseng stem and leaf saponin is converted through two-step fermentation to prepare the postbiotic fermentation product rich in rare ginsenoside, resource utilization of non-medicinal parts of ginseng is expanded, and the postbiotic fermentation product has wide application prospects in the fields of food industry, pharmaceutical industry, cosmetics, animal breeding and the like.

The present invention discloses a probiotic postbiotic composition for improving the scalp environment, a preparation method thereof and an application thereof, wherein the probiotic postbiotic composition for improving the scalp environment comprises postbiotics obtained by fermenting two strains of Lactobacillus paracasei ProSci-101 and Lactobacillus fermentum ProSci-602; the Lactobacillus paracasei ProSci-101 has a preservation number of CGMCC No.26528; the Lactobacillus fermentum ProSci-602 has a preservation number of CGMCC NO.25451. The probiotic postbiotic composition for improving the scalp environment of the present invention has the effects of cell repair, enhancing elastin and renewing the metabolism of the dermis, can slow down cell aging, and promote the proliferation of stratum corneum cells; thereby effectively achieving the purpose of improving the scalp environment and preventing hair loss.

The invention discloses lactobacillus fermentum with a hypoglycemic function and application of the lactobacillus fermentum. According to the invention, lactobacillus fermentum with high hypoglycemic ability is screened from Yunnan Baoshan freshly brewed yoghurt samples, the strain is preserved in China Center for Type Culture Collection, and the preservation number is CCTCC NO: M 20241504. In the fermentation process of the strain, alpha-glucosidase and alpha-amylase can be inhibited, and the inhibition rates are 43.91% and 59.44% respectively. The bacterial colony morphology of the lactobacillus fermentum E003 is milky white, semitransparent, relatively moist and smooth, the edge is neat, and obvious bulges are formed. When being used for preparing the anti-sugar fermented milk, the fermented milk can also inhibit alpha-glucosidase and alpha-amylase, and meanwhile, the fermented milk also has various characteristic nutritional ingredients; the lactobacillus fermentum E003 fermentation liquor also has relatively strong bacteriostatic ability, antioxidant activity and GABA high-yield ability.

The invention provides lactobacillus fermentum as well as a compound preparation and application thereof, and relates to the technical field of microorganisms. Compared with a strain in the prior art, the lactobacillus fermentum HXJS4-1 disclosed by the invention has a better effect in the aspect of nucleoside degradation and can realize rapid nucleoside degradation. In addition, the compound has a stronger inhibition effect on xanthine oxidase, and the activity of the xanthine oxidase is effectively reduced. In mouse experiments, the strain also has an obvious uric acid reducing effect, also has a certain anti-inflammatory effect, can be used in the prevention and treatment process of hyperuricemia and gout, and provides a new probiotic or drug material for the treatment of hyperuricemia and gout. In addition, eating of the strain has no obvious influence on indexes of a sample body, and it is proved that the strain has the characteristic of high safety and can be widely applied to the fields of medicine and food.

The invention belongs to the technical field of microbial fermentation, and particularly relates to a comprehensive utilization method of corn processing waste resources, which comprises the following steps: mixing corn steep liquor with calcium hydroxide, phytase and aspergillus oryzae SLY-M-15 leavening, carrying out enzymolysis, carrying out primary fermentation with corn bran, bacillus licheniformis, bacillus subtilis and saccharomyces cerevisiae, and carrying out secondary fermentation with corn bran, bacillus licheniformis, bacillus subtilis and saccharomyces cerevisiae; finally, lactobacillus fermentum and lactobacillus casei are inoculated for secondary fermentation, so that comprehensive utilization of the corn bran and the corn steep liquor is realized, and the contents of phytic acid, sulfite, zearalenone and vomitoxin are reduced; when the obtained third treatment product is applied to animal feed, the metabolism of mycotoxin can be influenced, and the content of zearalenone and vomitoxin can be reduced; further, the average daily gain can be improved, and the material-to-weight ratio is reduced; slaughtering performance can also be improved, for example, carcass weight, semi-eviscerating slaughtering rate and full eviscerating slaughtering rate are improved; the meat quality can be improved, such as the pH value is increased, the steaming loss is reduced, the shearing force is reduced, and the crude fat content is reduced.

This invention relates to the technical field of deep processing of sturgeon by-products, and particularly to a sturgeon tendon peptide with antioxidant and pancreatic lipase inhibitory activities and its preparation method. The preparation method includes the following steps: mixing sturgeon with water and crushing it to form a first slurry; adding Bacillus licheniformis alkaline protease to the first slurry for a first hydrolysis; adding Bacillus subtilis neutral protease to the first hydrolysate for a second hydrolysis; adding a complex enzyme to the second hydrolysate for a third hydrolysis to obtain a sturgeon tendon hydrolysate; filtering the sturgeon tendon hydrolysate to remove impurities to obtain a filtrate, which is then filtered again to retain polypeptides, thus obtaining the sturgeon tendon peptide; wherein the complex enzyme includes pectinase and amylase. Using this method, a sturgeon tendon peptide with high glycosaminoglycan content can be obtained, which exhibits pancreatic lipase inhibitory activity, antioxidant activity, Staphylococcus aureus inhibitory activity, and prebiotic effects that promote the proliferation of Lactobacillus plantarum and Lactobacillus fermentum.

A lactobacillus composition and the use thereof in hyperuricemia, relating to the field of microorganisms. The composition comprises Lactobacillus gasseri BDUP, Lactobacillus fermentum B1B26 and Lactobacillus agilis B13T4. The lactobacillus composition can significantly inhibit the activity of xanthine oxidase XOD in vitro, and, as proved by in-vivo experiments, said probiotic composition can also reduce the content of uric acid in Danio rerio having high uric acid levels and in hyperuricemia model mice and reduce the level of inflammatory factors in mice with hyperuricemia. In addition, the composition has effects obviously superior to that of a single strain and therefore has good development and utilization prospects for treating or preventing and relieving hyperuricemia.

The invention belongs to the technical field of probiotic particles, and particularly relates to probiotic particles for improving intestinal functions as well as a preparation method and application of the probiotic particles. The probiotic particles capable of improving the intestinal function comprise a probiotic core, a first embedding layer, a second embedding layer and a third embedding layer, the probiotic inner core is prepared from plant lactobacillus, bifidobacterium animalis, lactobacillus acidophilus, bifidobacterium longum, lactobacillus paracasei, lactobacillus rhamnosus, lactobacillus fermentum, lactobacillus helveticus, streptococcus thermophilus, plant lactobacillus, lactobacillus helveticus and lactobacillus rhamnosus. According to the present invention, the twelve probiotics are contained, and the latest three-layer embedding technology is adopted so as to enhance the storage property and the digestive tract tolerance, such that the product can maintain the beneficial bacterium activity for a long time without refrigeration, and the product is suitable for the crowd with the alteration of the intestinal flora.

The invention relates to the technical field of microbial fermentation feeds, in particular to a method for producing a protein feed through solid-state fermentation of distiller's grains based on Trichoderma harzianum pretreatment. According to the method, the vinasse is pretreated by the crude enzyme prepared from trichoderma harzianum, and the formula and fermentation conditions of an enzyme production culture medium are optimized, so that the filter paper enzyme activity of cellulase is remarkably improved. By adding the surfactant into a fermentation system and optimizing the variety of the surfactant, the yield of the fermented monosaccharide is improved, and the problem of musty taste in a traditional fermented product is solved while the degradation efficiency of lignocellulose is improved. Furthermore, a synchronous saccharification and fermentation process is adopted, vinasse is fermented through compounded saccharomycetes and crude enzyme liquid, the trichoderma harzianum fermented protein feed is prepared and obtained, digestion and absorption of animals are easier, lactic acid fermentation is conducted on the trichoderma harzianum fermented protein feed again through lactobacillus fermentum, the flavor of the feed is improved, the bitter taste of the feed is reduced, and the sour taste is improved. The method realizes efficient utilization of vinasse resources.

The invention relates to the technical field of microorganisms, in particular to a probiotic composition for improving sleep and application, and the probiotic composition comprises lactobacillus paracasei BMC-2020, lactobacillus plantarum MCA-3066, lactobacillus rhamnosus, lactobacillus fermentum and lactobacillus casei. The probiotic composition provided by the invention is safe and efficient, has a prospect of developing a new medicine for improving sleep, and has a clinical practical value; the probiotic composition is used for fermenting the traditional Chinese medicine composition, the obtained traditional Chinese medicine fermentation composition contains probiotics and traditional Chinese medicine fermentation liquor, the probiotics and the traditional Chinese medicine fermentation liquor can effectively achieve a synergistic effect, and the sleep improving efficacy of a traditional Chinese medicine fermentation product is promoted; the traditional Chinese medicine fermented composition can reduce the awakening activity amount and the total awakening time, and has the effect of improving sleep.

The invention discloses an esophageal adenocarcinoma plasma circulation microbial marker combination, a reagent, a kit, a risk prediction model and application thereof, and belongs to the cross technical field of liquid biopsy and microbiomics. The esophageal adenocarcinoma plasma circulating microbial marker combination disclosed by the invention comprises enterobacteriaceae, cilia, prevotella, ackermania, lactobacillus fermentum and streptococcus. When the esophageal adenocarcinoma plasma circulating microbial marker combination is used for verifying esophageal adenocarcinoma patients and healthy controls, the AUC is 0.952, the sensitivity is 100%, the specificity is 80.00%, the accuracy is 91.43%, the positive predictive value is 86.96%, and the negative predictive value is 100%; the esophageal adenocarcinoma plasma circulating microbial marker combination can effectively distinguish esophageal adenocarcinoma patients from healthy people, is suitable for early screening of esophageal adenocarcinoma, and has remarkable clinical screening application value.

Provided are a mixture of three species of Lactobacillus fermentum strain and Lactobacillus plantarum strain and use thereof. A composition according to one aspect including, as an active ingredient, a mixture of Lactobacillus fermentum strains GB102 and GB103 and Lactobacillus plantarum strain GB104; or a lysate or culture solution thereof, or an extract of the culture solution, can be usefully used for the prevention or treatment of muscle-related disorders or obesity by alleviating the decrease in grip strength induced by aging or reducing the change in intestinal microbial environment induced by aging.

The invention relates to a probiotic stock solution capable of producing folic acid and SOD (superoxide dismutase) and having the functions of reducing uric acid and reducing blood sugar and a preparation method of the probiotic stock solution. Existing probiotic products are inconvenient to eat and do not have the effects of producing folic acid and SOD (superoxide dismutase). The probiotic stock solution contains the bifidobacterium animalis fermentation liquor, the lactobacillus paracasei fermentation liquor, the lactobacillus casei fermentation liquor, the lactobacillus fermentum fermentation liquor, the lactobacillus rhamnosus fermentation liquor and the lactobacillus reuteri fermentation liquor, and the final product is in a liquid state, can be packaged by small strip bags, and is relatively convenient to refrigerate, store and use. The probiotic stock solution disclosed by the invention not only has the effects of reducing uric acid and reducing blood sugar, but also generates water-soluble vitamin folic acid and superoxide dismutase SOD in the preparation and fermentation process, has the effects of resisting oxidation and aging after being taken into a human body, is suitable for pregnant women to take, and can reduce the risk of fetal neural tube defect.

The invention discloses a compound bacterial agent for reducing blood sugar and blood fat, application of the compound bacterial agent and a method for preparing a fermented coconut milk beverage from the compound bacterial agent, belongs to the technical field of microorganisms, and particularly relates to the compound bacterial agent for reducing blood sugar and blood fat, the compound bacterial agent comprises fermented lactobacillus mucus AL-8 and lactobacillus paracasei DX-5, and the compound bacterial agent is prepared from the fermented lactobacillus mucus AL-8, the lactobacillus paracasei DX-5, the lactobacillus paracasei DX-5, the lactobacillus paracasei DX-5 and the lactobacillus paracasei DX-5 and the lactobacillus paracasei DX-5 and the lactobacillus paracasei DX-5 and the lactobacillus paracasei DX-5 and the lactobacillus paracasei DX-5. The preservation number of the lactobacillus mucus AL-8 is CCTCC (China Center For Type Culture Collection) NO: M20252735; the preservation number of the lactobacillus paracasei DX-5 is CCTCC (China Center For Type Culture Collection) NO: M20252736. According to the invention, the fermented coconut milk beverage is prepared by utilizing the inhibition effect of a blood sugar and blood fat reducing compound bacterial agent consisting of fermented lactobacillus mucus AL-8 and casei paracasei DX-5 on alpha-amylase and pancreatic lipase.

The invention belongs to the technical field of cosmetic raw materials, and particularly relates to shea butter fermentation liquor as well as a preparation method and application thereof. Lactobacillus plantarum, lactobacillus fermentum and lactobacillus gasseri in a specific proportion are adopted to construct a composite fermentation system, acid-resistant aspergillus niger lipase is combined, and shea butter is treated through a one-step fermentation process. By means of the synergistic effect of the three strains and the synergistic effect of the enzyme and the strains, efficient fermentation can be achieved, the content of active ingredients such as polysaccharide, amino acid and polypeptide in fermentation liquor is remarkably increased, meanwhile, the technological process is simple and stable, and the infectious microbe pollution risk is avoided. According to the fermentation liquor prepared by the process, on the basis of enhancing the original moisturizing and soothing effects of the shea butter, the problems of greasy skin feeling and poor permeation and absorption of the shea butter are effectively solved, the shea butter is further endowed with new functions of repairing skin barriers and balancing skin micro-ecology, and the application values of the shea butter and the fermentation liquor are greatly improved.

The invention discloses lactobacillus mucus YF28 and application thereof, and belongs to the technical field of microorganisms. The fermented lactobacillus mucus YF28 is separated from Hu sheep manure, is classified and named as the fermented lactobacillus mucus YF28, and has the preservation number of CCTCC (China Center For Type Culture Collection) NO: M 20252433. The fermented lactobacillus mucilaginosus YF28 has good tolerance in the gastrointestinal environment and can reach the intestinal tract to play a role. The bacterial strain has strong intestinal adhesion capacity, is easy to form a probiotic biological membrane, and is beneficial to intestinal health. The fermented lactobacillus mucus YF28 can promote peristalsis, enrich the abundance of Akkermansia bacteria and bacteriophage thereof, restore the water content of excrement to a normal level, and significantly promote intestinal health. The invention has an application prospect in the development of drugs or health-care foods with the function of relieving constipation and related gastrointestinal symptoms.

Provided is a novel Lactobacillus fermentum strain (Accession No. KCTC 14106BP) and a composition for preventing or treating a metabolic disease including the same. A Lactobacillus fermentum according to the present invention may inhibit fat accumulation and increase anti-inflammatory cells in white adipose tissue. In addition, the Lactobacillus fermentum may effectively inhibit fat accumulation in brown adipose tissue and in liver tissue. The Lactobacillus fermentum strain may exhibit excellent blood glucose improvement effect, and in particular, may reduce a fasting blood glucose level. The Lactobacillus fermentum strain may effectively ameliorate insulin resistance by improving glucose tolerance and increasing insulin sensitivity. Therefore, the Lactobacillus fermentum strain may be usefully used to prevent or treat a metabolic disease such as obesity.

The invention relates to a herbal acne-cleaning composition as well as a preparation method and application thereof, and belongs to the technical field of cosmetics. The invention relates to a herbal acne-removing composition. The composition comprises the following components in parts by weight: 1-3 parts of honeysuckle flower extract, 4-6 parts of mangnolia officinalis bark extract, 0.1-1 part of dandelion extract and 2-5 parts of fermentation extract, a fermentation strain used in the fermentation extract is lactobacillus fermentum, the preservation number of the lactobacillus fermentum is CGMCC No.21381, and fermentation substrate powder comprises amur cork powder and white willow bark powder. The herbal acne-removing composition disclosed by the invention has a remarkable acne-removing effect, and is mild and non-irritant.

The invention discloses combined probiotics for improving sarcopenia as well as a preparation method and application of the combined probiotics, and belongs to the field of probiotics. The invention relates to a combined probiotic for improving sarcopenia. The combined probiotic comprises a lactobacillus reuteri body, a lactobacillus johnsonii body, a lactobacillus fermentum body and a bifidobacterium adolescentis body. The combined probiotics disclosed by the invention can be used for remarkably improving the overall symptoms of sarcopenia model mice, including inhibiting weight loss, constipation symptoms and colonic mucosa destruction, prolonging load swimming time, improving muscle endurance, improving skeletal muscle atrophy, improving the expression of I-type slow muscle fiber protein MyHC I and promoting slow muscle fiber repair, and has the effects of preventing and treating sarcopenia. The invention discloses a probiotic intervention method for treating sarcopenia, which comprises the following steps of: preparing probiotics for treating sarcopenia, reducing the content of inflammatory cytokines in muscular tissues, increasing the content of hepatic glycogen, improving systematic metabolism of mice with sarcopenia and damaged serum markers, including lactic acid, lactic dehydrogenase, creatine kinase, creatinine, alanine transaminase ALT and aspartate transaminase AST, providing a new scheme for probiotic intervention for sarcopenia, and being used for preparing related functional products or intervention means.

The present invention provides a fermented Lactobacillus fermentum IG50, which has a CGMCC accession number of 32111. The fermented Lactobacillus fermentum provided by the present invention can ferment Magnolia officinalis to produce a motilin receptor agonist. The present invention also provides a probiotic preparation that helps improve intestinal motility. The present invention also provides a method for preparing the probiotic preparation. The preparation method of the probiotic preparation is simple and can be produced on a large scale.

The invention discloses a lactobacillus fermentum strain as well as extracellular vesicles and application thereof. The lactobacillus fermentum strain is named as C283, is preserved in the General Microbiological Center of the China Committee for Culture Collection of Microorganisms, and has the microbial preservation number of CGMCC No.30338. The lactobacillus fermentum strain can be used for preparing the lactobacillus fermentum. Researches show that the strain has unique anti-inflammatory and anti-infection dual characteristics, and also has the characteristics of acid resistance, cholate resistance and the like; particularly, the C283 strain can generate extracellular vesicles with very strong immunologic adjuvant activity and immunological enhancement activity, and the C283 strain outer vesicles can directly activate chicken mucous membrane epithelium lymphocytes only through nasal dripping and eye dripping, so that mucous membrane immune response is remarkably enhanced; particularly, the strain exovesicle can be directly used as an efficient mucosal delivery carrier for inactivated viruses or antigens, nucleic acid vaccines or mRNA vaccines, and efficient mucosal immune system delivery of the inactivated vaccines or antigens can be achieved in a mucosal immune mode. The invention provides a new technical means for preparing novel oral vaccines and mucous membrane delivery vaccines.

The invention discloses a lactic acid bacteria and yeast co-fermented chrysanthemum product and a preparation method and application thereof, the product comprises a chrysanthemum fermented product and a metagen generated by co-fermenting chrysanthemum with lactic acid bacteria and yeast, and the ratio of the chrysanthemum fermented product to the metagen is 1: 10-1: 20; the lactobacillus is lactobacillus fermentum ZJU2303-RH15, the preservation number of the lactobacillus fermentum ZJU2303-RH15 is CGMCC (China General Microbiological Culture Collection Center) 1.60150, the saccharomycetes is Saccharomyces cerevisiae ZJU2014-RH05, and the preservation number of the saccharomycetes is CGMCC 2.6673. The whitening and anti-wrinkle composition has the advantages of good whitening and anti-wrinkle functions and low production cost, and has a wide market prospect in preparation of cosmetics with whitening and anti-wrinkle functions.

The sour soup-fermented corn noodle composite leavening agent comprises lactobacillus plantarum and lactobacillus fermentum, and the thallus quantity ratio is (1-5): (1-5); the water absorption rate of the fermented corn sour soup corn noodles is increased, gelatinization is more uniform, and a more compact gel structure can be formed. The synergistically fermented noodles are low in turbidity, breaking rate, turbidity and cooking loss rate, and high in water absorption rate. The product has special flavor substances and thioethers, and the contents of aldehydes, acids, ketones and esters are increased. The color, appearance, taste, flavor and elasticity and toughness scores are improved, and the taste and flavor are superior to those of natural fermentation.

The invention relates to a compound probiotic for preventing, relieving or treating hyperlipemia. The compound probiotic comprises a Bifidobacterium animalis subsp. Lactis C-2 strain with the preservation number of GDMCC (China General Microbiological Culture Collection Center) No: 65455 and a Lactobacillus fermentum GLF-217 strain with the preservation number of CGMCC No.28336. The invention further relates to a preparation method of the compound probiotic for preventing, relieving or treating the hyperlipemia. The two strains have potential interaction and can cooperate with each other to achieve synergistic interaction, and the effect of preventing, relieving or treating hyperlipemia is remarkably improved through compounding of the two strains. Specifically, the weight and the fat content are obviously reduced, the blood sugar and blood fat level is improved, the immunity is regulated, the antioxidant level is improved, the fat tissue metabolism level is regulated, and the gastrointestinal tract short-chain fatty acid metabolism is improved.

The invention provides a lactobacillus fermentum IG50, and the preservation number of the lactobacillus fermentum IG50 is CGMCC (China General Microbiological Culture Collection Center) NO.32111. The lactobacillus fermentum IG50 has the advantages that the lactobacillus fermentum IG50 can be used for preparing the lactobacillus fermentum IG50; the fermented lactobacillus mucus provided by the invention can be used for fermenting mangnolia officinalis, and a motilin receptor agonist is obtained. The invention also provides a probiotic preparation which is helpful for improving intestinal tract movement. The invention also provides a preparation method of the probiotic preparation. The preparation method of the probiotic preparation is simple and can be used for large-scale production.

The invention belongs to the technical field of aquaculture, and particularly relates to a feed additive for aquaculture as well as a preparation method and application of the feed additive. The preparation method of the feed additive comprises the following steps: (1) weighing the raw material medicines, adding water for soaking, boiling with strong fire, then decocting with slow fire, and collecting first filtrate and first filter residues; (2) adding water into the first filter residue, boiling with strong fire, decocting with slow fire, collecting a second filtrate, and concentrating to obtain a traditional Chinese medicine composition extracting solution; (3) adding yeast powder, peptone, dipotassium phosphate, inositol galactoside and 1, 3-diphosphoglyceric acid into the traditional Chinese medicine composition extracting solution to obtain a fermentation culture medium; and (4) inoculating the lactobacillus fermentum liquid and the bacillus subtilis liquid into the fermentation culture medium for fermentation to obtain a fermentation mixture, and performing centrifugation and freeze drying to obtain the lactobacillus fermentum and bacillus subtilis compound feed. The feed additive for aquaculture is added into feed, so that the growth and development capability of animals can be effectively promoted, the immunocompetence of the animals is improved, and the feed additive has a wide application prospect.

The invention provides a preparation method of a fruit and carrot fermented beverage, and relates to the technical field of biological fermentation preparation. The preparation method of the fruit carrot fermented beverage comprises the following steps: selecting fresh fruit carrots, washing, steaming, pulping, filtering and sterilizing to obtain filtrate; adjusting the temperature to 30-40 DEG C, inoculating lactobacillus fermentum into the filtrate, performing anaerobic fermentation for 3-6 hours to obtain a fermentation product A, adjusting the temperature to 28-30 DEG C, inoculating saccharomyces cerevisiae into the fermentation product A, and performing anaerobic mixed fermentation for 4-9 hours to obtain a fermentation product B; according to the invention, lactobacillus fermentum is used for pre-fermentation of carrots, and mixed fermentation is carried out in combination with intervention of later-stage saccharomyces cerevisiae, so that olefinic terpene substances in the carrots are effectively reduced, the earthy smell in the carrot fermented beverage is improved, and the color, luster and fragrance can be improved on the basis of stably maintaining the clarity of the existing carrot fermented beverage; the comprehensive competitiveness of the carrot fermented beverage in the market is improved.

The invention provides a fruit juice fermentation inoculant, fermented guava juice and a preparation method, and belongs to the technical field of fermented beverages. The invention provides a compound fermentation inoculant capable of fermenting fruit juice, the compound fermentation inoculant is composed of lactobacillus plantarum and lactobacillus fermentum, the fermentation inoculant is applied to fermentation of guava fruit juice, beta-glucosidase secreted in the fermentation process can hydrolyze combined polyphenol substances in guavas, and then the guava fruit juice is fermented. The antioxidant is converted into high-activity antioxidants such as quercetin and gallic acid in a free state, so that the content of free phenol is increased by about 2 times, and the scavenging rate of DPPH free radicals is increased by more than 40%. The fermentation is carried out in an oxygen-free environment, the retention rate of vitamin C can reach 80% or above, the low pH value at the fermentation end point and organic acid jointly inhibit pathogenic microorganisms, and the product stability is guaranteed. Therefore, the guava juice prepared from the compound fermentation inoculant maximally releases the natural nutritional potential of guavas.

The invention discloses a strain for preventing and treating Parkinson's disease as well as a composition, application and a product thereof, and relates to the technical field of microorganisms. The invention provides three strains from human milk, namely lactobacillus helveticus LV-20, plant lactobacillus LPP8 and lactobacillus fermentum PL-15, the invention further provides a composition capable of preventing and treating the Parkinson's disease, and the three strains can well prevent and treat the Parkinson's disease and can be used for preventing and treating the Parkinson's disease. The composition can significantly improve dyskinesia (such as static tremor, muscle stiffness, movement retardation, posture balance and the like), reduce neuron damage, significantly reduce alpha-syn deposition, reverse sensory function degradation and cognitive disorder, relieve sleep disorder, inhibit neuroinflammation and oxidative stress, reduce and repair intestinal barrier damage, relieve gastrointestinal dysfunction, and improve the curative effect. As probiotics or synbiotics, products for treating and preventing Parkinson's disease have a wide application prospect.