1745 results about "Lactobacillus" patented technology

The invention belongs to the technical field of microbial fermentation, and particularly relates to a plant lactobacillus XD117, application of the plant lactobacillus XD117 in fermentation of astragalus membranaceus, an astragalus membranaceus fermentation product and a preparation method of the astragalus membranaceus fermentation product. The bacterial strain is lactobacillus plantarum XD117 and is preserved in the China Center for Type Culture Collection, and the preservation number of the bacterial strain is CCTCC NO: M 20241730. The preparation method of the astragalus mongholicus fermentation product comprises the following steps: inoculating the lactobacillus plantarum XD117 into astragalus mongholicus enzymatic hydrolysate, and fermenting in a fermentation temperature range suitable for the lactobacillus plantarum XD117 to obtain the astragalus mongholicus fermentation product. The total content of calycosin, formononetin, calycosin glucoside and formononin in the astragalus mongholicus fermentation product is high, and the astragalus mongholicus fermentation product has a very good antioxidant effect.

The invention discloses red ginseng fermentation liquor with high rare saponin content and functional bioactivity and a preparation method thereof, and the preparation method comprises the following steps: mixing red ginseng powder with water to obtain red ginseng mixed liquor; cellulase is added into the red ginseng mixed solution for enzymolysis, and red ginseng enzymatic hydrolysate is obtained; or heating the red ginseng liquid, and performing hot water extraction to obtain a red ginseng extracting solution; heating the red ginseng extracting solution to be boiled, and after sterilization is finished, adding lactic acid bacteria powder for fermentation after the red ginseng solution is cooled, so as to obtain red ginseng fermentation liquor; and carrying out solid-liquid separation on the fermentation broth to obtain a fermentation supernatant, and sterilizing the red ginseng fermentation broth to obtain the sterilized red ginseng fermentation broth. According to the preparation method disclosed by the invention, the content of total saponins in the red ginseng fermentation liquor is increased, the variety and content of rare saponins can be increased, and in addition, the prepared red ginseng fermentation liquor has relatively high antioxidant activity, tyrosinase inhibition rate activity, leukoproteinase inhibition activity and hyaluronidase inhibition activity; wide application prospects and market potentials are realized.

The invention relates to a plant lactobacillus JN9, a preparation, a probiotic composition and application thereof. According to the application, a new plant lactobacillus JN9 strain is obtained through screening, and the preservation number of the new plant lactobacillus JN9 strain is CCTCC (China Center for Type Culture Collection) NO: M 20241647. Through basic characteristic analysis (growth curve, acid resistance, cholate resistance and gastrointestinal fluid resistance), safety evaluation (antibiotic sensitivity, hemolysis capability, toxin production capability, cytotoxicity and biogenic amine production capability), adhesiveness evaluation, GABA production evaluation and alcohol tolerance and acetaldehyde dehydrogenase production capability evaluation of the strain, the strain is found to be a safe strain; and the GABA has excellent GABA production performance, high alcohol tolerance and high acetaldehyde dehydrogenase activity. The composition can be applied to products for improving mood, such as relieving pressure, resisting depression, improving body sleep quality, reducing blood pressure, resisting diabetes, resisting cancer, resisting oxidation, resisting inflammation, resisting microorganisms, resisting allergy, enhancing alcohol tolerance in drinking, relieving discomfort after drinking and the like.

The invention relates to the technical field of microorganisms, in particular to plant lactobacillus MPs-68 capable of adsorbing microplastics and degrading uric acid and application of the plant lactobacillus MPs-68. The provided plant lactobacillus MPs-68 capable of adsorbing microplastics and degrading uric acid is a marine-derived natural strain, the preservation number is CGMCC No.31976, the plant lactobacillus MPs-68 has a remarkable adsorption effect on microplastics polystyrene and polyethylene, has the function of degrading uric acid, and is high in oxidation resistance, gastric acid resistance, cholate resistance and intestinal colonization capacity, and the plant lactobacillus MPs-68 can be used for adsorbing microplastics and degrading uric acid. The method has important application value in the fields of food or health care products for assisting adsorption of micro-plastics and reduction of uric acid and the like. The invention also provides a microbial agent, a probiotic product, a functional food, a fermentation product, a microecological preparation, a microplastic adsorbent and a microplastic adsorbent compounded with the lactobacillus brevis MPA01 (the preservation number is CGMCC No.31977) containing the phytobacterium plantarum MPs-68 capable of adsorbing the microplastics and degrading the uric acid, and the microplastic adsorbent has the effects of adsorbing the microplastics, degrading the uric acid and the like.

The invention discloses a lactobacillus mucus fermentation strain and application thereof, and provides a lactobacillus mucus fermentation strain A10 with high yield of exopolysaccharides, and the preservation number of the lactobacillus mucus fermentation strain A10 is CCTCC (China Center for Type Culture Collection) NO: M20242082. The fermented lactobacillus mucus A10 has relatively strong bile salt and gastrointestinal tract digestion tolerance and has an obvious antibacterial effect on escherichia coli and staphylococcus aureus, and the exopolysaccharide synthesized by the fermented lactobacillus mucus A10 is Wzy type exopolysaccharide, is heteropolysaccharide composed of rhamnose, galactose, glucose, mannose and glucuronic acid, and can be used for preparing the exopolysaccharide. The product has good thermal stability and antioxidant activity, and can significantly scavenge free radicals. The lactobacillus mucus A10 extracellular polysaccharide provided by the invention can exert antioxidant activity by activating a Keap1-Nrf2 / ARE signal channel, and is expected to be developed into a natural antioxidant which interacts with Keap1-Nrf2 in a targeting manner.

The invention discloses a plant lactobacillus with a bacteriostatic effect and application of the plant lactobacillus. The lactobacillus plantarum is named as lactobacillus plantarum C07, the preservation number is CCTCC NO: M20242086, the preservation unit is China Center for Type Culture Collection, the preservation time is September 26, 2024, and the preservation address is Wuhan University, Wuhan University, No. 299, eight road, Wuchang District, Wuhan City, Hubei Province. The strain can produce lactic acid and indole-3-lactic acid at high yield, has a very strong antibacterial effect on multiple putrefying and pathogenic microorganisms such as staphylococcus aureus, escherichia coli, listeria monocytogenes, pseudomonas aeruginosa, salmonella and mould, and is a broad-spectrum antibacterial microorganism.

The invention relates to the technical field of microorganisms, and in particular relates to application of a strain of lactobacillus mucus TG018. The invention further relates to a preparation method of the lactobacillus mucus TG018. The preservation number of the lactobacillus mucus TG018 is CCTCC (China Center for Type Culture Collection) No: M 2023514; the lactobacillus mucus TG018 can be used for producing nicotinic acid, serving as an antioxidant and / or preparing the antioxidant, or can be applied to medicines for reducing uric acid.

The invention provides an application of a fermentation lactobacillus mucus strain A21196 in preparation of a product for resisting anxiety and improving memory and concentration, and belongs to the technical field of biological medicines. Animal experiments show that the fermented lactobacillus mucus strain A21196 has the effects of resisting anxiety, resisting depression, improving cognitive impairment function and improving memory concentration, and provides a new means for preventing and / or treating nerve diseases related to anxiety disorder, depression and cognitive impairment.

The invention relates to the field of microorganisms, in particular to a plant lactobacillus and application thereof in bacteriostasis. Specifically, the preservation number of the plant lactobacillus LP06 is CGMCC (China General Microbiological Culture Collection Center) No. 28412. The plant lactobacillus LP06 provided by the invention can be used for inhibiting the growth of debaryomyces hansenii, candida tropicalis and penicillium rochei, and also has an inhibiting effect on super bacteria acinetobacter baumannii, pseudomonas aeruginosa, klebsiella, escherichia coli, staphylococcus aureus and listeria monocytogenes. The plant lactobacillus LP06 provided by the invention has broad-spectrum bacteriostatic ability, and bacteriostatic powder prepared from the bacterium can be used as a biological preservative for corrosion prevention of dairy products such as yoghourt, cheese and the like and other foods.

The invention discloses a probiotic with the depression improving effect and a microecological preparation and application thereof, and is characterized in that the probiotic comprises lactobacillus mucus PC17 with the preservation number of CGMCC No.33866, the active ingredients of the lactobacillus microecological preparation comprise thalli of the lactobacillus mucus PC17, and a preparation method of the microecological preparation comprises the following steps: adding the lactobacillus mucus PC17 into the lactobacillus mucus PC17, uniformly mixing the lactobacillus mucus PC17, the lactobacillus mucus PC17, the lactobacillus mucus PC17, the lactobacillus mucus PC17, the lactobacillus mucus PC17, the lactobacillus mucus PC17 and the lactobacillus mucus PC17 The lactic acid bacteria are inoculated into a fermentation culture medium according to a volume ratio of 1-5% to prepare the lactic acid bacteria microecological preparation, can be used for preparing antidepressant drugs, and has the advantages of being capable of promoting RIN14B cells to secrete 5-hydroxytryptamine and 5-hydroxytryptophan, reducing the levels of interleukin-1beta, interleukin-6, tumor necrosis factor-alpha, corticosterone and corticotropin in serum, and improving the antidepressant activity of the antidepressant drugs. The levels of aminobutyric acid and brain-derived neurotrophic factors in serum are improved, and the depression-like behaviors of CUMS depression model mice are obviously improved.

The invention discloses banana resistant starch as well as a preparation method and application thereof in preparation of health-care food, and relates to the technical field of biology. The preparation method comprises the following steps: peeling immature bananas, performing irradiation disinfection, adding sterile water, performing grinding and pulping, and performing sieving with a 60-mesh sieve so as to obtain slurry; inoculating lactobacillus brevis and kluffa yeast into the slurry, and performing fermentation treatment to obtain fermentation liquor; standing the fermentation liquor, removing the supernatant, cleaning the precipitate with sterile water, and drying to obtain the banana resistant starch. The banana resistant starch prepared by performing combined fermentation treatment on lactobacillus brevis and Kluffa yeast can remarkably enhance the blood glucose metabolism regulation capability under the influence of high fat, so that the banana resistant starch can be applied to preparation of health-care food beneficial to maintaining the blood glucose health level. The method has important practical application prospects and is particularly suitable for market application and popularization.

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 invention provides lactobacillus plantarum ZR002, a fermentation product as well as a preparation method and application of the fermentation product, and relates to the technical field of microorganisms and fermentation. The lactobacillus plantarum ZR002 is obtained through self screening, the preservation number of the lactobacillus plantarum ZR002 is CGMCC No: 32813, the lactobacillus plantarum ZR002 is used for independently fermenting Grass roses, the content of active ingredients in a fermentation product is obviously increased, and the fermentation product has excellent moisturizing and antioxidant effects.

The invention belongs to the technical field of microorganisms, and particularly relates to a plant lactobacillus B534 strain and application thereof in preparation of functional products beneficial to sleep improvement and emotion regulation. The lactobacillus plantarum B534 is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number of the lactobacillus plantarum B534 is CGMCC No.33031. The lactobacillus plantarum B534 is named as lactobacillus plantarum B534. The plant lactobacillus B534 provided by the invention is a natural strain and has food safety; the lactobacillus plantarum B534 has relatively strong acetylcholin esterase inhibition activity, and also has relatively strong capability of synthesizing and secreting GABA (gamma-aminobutyric acid), 3-HB (3-hydroxybutyric acid) and 5-HT (5-hydroxytryptamine); meanwhile, the plant lactobacillus B534 has relatively strong acid resistance and cholate resistance and also has relatively strong tolerance to simulated gastrointestinal fluid, so that the plant lactobacillus B534 has relatively good intestinal colonization ability and has important application value in the fields of products beneficial to sleep improvement, emotion regulation products and the like.

The invention discloses lactobacillus plantarum for degrading low-molecular aldehyde substances, a composition thereof and application of the lactobacillus plantarum in duck liver fishy smell degradation, and is characterized in that the lactobacillus plantarum is an LPC01 strain, the preservation number is CGMCC No.32002, the addition amount of a lactobacillus plantarum suspension in duck liver paste is 0.5-1.5 vt%, and the addition amount of the lactobacillus plantarum suspension in the duck liver paste is 0.5-1.5 vt%. The invention further provides an application of the lactobacillus plantarum composition composed of the lactobacillus plantarum suspension and the saccharomycetes suspension in equal volume in duck liver fishy smell degradation, the saccharomycetes suspension is inoculated into the duck liver paste for fermentation, then the lactobacillus plantarum suspension is inoculated for fermentation, and the lactobacillus plantarum composition has the advantages that in the duck liver fermentation process, the total aldehyde degradation rate of the strain is 63.8%; and under the co-culture condition with saccharomycetes, the degradation rate is increased to 97.8%, and a remarkable deodorization effect is shown.

The invention relates to application of fermentation lactobacillus mucus LFPerfectuus001 in preparation of a product for improving metabolic syndrome caused by high-fat and high-sugar diet, and belongs to the technical field of microorganisms. The invention provides application of fermented lactobacillus mucus LFPerfecus001 in preparation of a product for improving metabolic syndrome, the fermented lactobacillus mucus LFPerfecus001 is preserved in Guangdong Microbial Culture Collection Center on April 13, 2022, and the preservation number is GDMCC No: 62335. The invention further provides a preparation method of the fermented lactobacillus mucus LFPerfecus001. Animal experiments report that the fermented lactobacillus mucus LFPerfectus001 has the effects of reducing fat, increasing muscle, improving obesity, hyperglycemia, insulin resistance, dyslipidemia, hyperuricemia and fatty liver for the first time, and can well improve metabolic syndrome caused by high fat and high glucose.

The invention relates to a processing method of fermented edible sheepskin based on plant lactobacillus, and belongs to the technical field of food processing. Aiming at the problems of fiber damage, high microbial pollution risk, texture hardening after marinating and the like caused by chemical treatment in the traditional sheepskin processing, the invention provides a solution of combining biological fermentation with gradient temperature control. The method is characterized by comprising the following steps: soaking sheepskin (subjected to unhairing treatment) in a 4-6% sodium carbonate solution (40 DEG C, 2 hours) for pretreatment; activating the plant lactobacillus until the viable bacterium concentration is 8 * 8 * 10 < 8 >-1.2 * 10 < 9 > CFU / mL; performing staged fermentation on the sheepskin and the bacterial suspension according to a ratio of 1: 3 at 30-35 DEG C for 18 hours, and supplementing a 0.1% glucose solution of less than or equal to 5% during the fermentation; washing with distilled water and draining; the marinating liquid contains 8% of table salt, 2% of anise, 1% of cinnamon and 0.5% of clove. The method is used for producing edible sheepskin products with flexible texture and up-to-standard microbiological indexes.

The invention relates to the technical field of functional microorganism screening and application, and particularly provides a strain of lactobacillus plantarum and an application of the lactobacillus plantarum in improvement of intestinal inflammation and repair of intestinal mucosa injury. The plant lactobacillus is preserved in the China General Microbiological Culture Collection Center (CGMCC for short) on August 1, 2024, the address is No.3, No.1 Yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number of the plant lactobacillus is CGMCC No.31521. The strain has remarkable antioxidant, bacteriostatic and anti-inflammatory effects, can repair intestinal barrier injury of mice with colitis, promote renewal of intestinal stem cells, promote growth of intestinal beneficial bacteria and inhibit proliferation of harmful bacteria, can be widely applied to prevention and treatment of enteritis, and has a wide market prospect.

The invention discloses a rhizoma smilacis glabrae leavening and a preparation method and application thereof in hyperuricemia, and the scheme is as follows: inoculating a lactobacillus fermentation seed solution into a rhizoma smilacis glabrae traditional Chinese medicine stock solution, fermenting for 48-72 hours at 37 DEG C, and freeze-drying to obtain the rhizoma smilacis glabrae leavening; the lactobacillus brevis fermentation seed liquid is prepared by fermenting lactobacillus brevis YM 1301 and lactobacillus plantarum CICC24202, and the lactobacillus brevis YM 1301 and the lactobacillus plantarum CICC24202 are fermented; the lactobacillus fermentation seed liquid accounts for 6-10% of the volume of the rhizoma smilacis glabrae traditional Chinese medicine Results show that after the rhizoma smilacis glabrae is fermented, the contents of total flavone and total polyphenol are increased, and the polysaccharide content is reduced; the rhizoma smilacis glabrae leavening can significantly reduce serum uric acid, urea nitrogen and creatinine levels of HUA rats; the kidney injury caused by hyperuricemia is improved; the increase of inflammatory cytokines such as IL-1beta and TNF-alpha in serum is reduced, and the curative effect is superior to that of unfermented rhizoma smilacis glabrae; the mechanism of reducing uric acid may be by inhibiting the activity of xanthine oxidase in HUA rats and increasing the excretion of uric acid in excrement. The invention provides a solid theoretical reference basis for developing safe and effective uric acid-reducing traditional Chinese medicine large-scale health products.

The invention provides a plant lactobacillus KSFY202408 strain and application thereof, and belongs to the technical field of microorganisms. The preservation number of the plant lactobacillus KSFY202408 provided by the invention is CGMCC (China General Microbiological Culture Collection Center) No. 31102. The survival rate of the strain in artificial gastric juice with the pH value of 3.0 can reach 55.2%, the survival rate of the strain in artificial gastric juice with the pH value of 2.5 can reach 33.2%, the activity of a helicobacter pylori strain can be remarkably inhibited, formation of a helicobacter pylori thallus biological membrane can be inhibited, and the activity of helicobacter pylori metabolite urease can be reduced. Meanwhile, the bacterial strain can remarkably protect cell membrane integrity and cell viability of gastric mucosa epithelial cells, and has important significance on prevention or treatment of gastritis, gastric ulcer and other digestive tract diseases caused by helicobacter pylori.

The invention discloses a ginseng extract rich in rare saponins and preparation and anti-aging application thereof, and belongs to the technical field of oral beauty and skin care products, the ginseng extract is obtained by fermentation treatment of ginseng powder through phytobacterium plantarum, and the preservation number of the phytobacterium plantarum is GDMCC No.64374. The ginseng extract rich in rare saponin is fermented by specific plant lactobacillus, ginsenoside is efficiently converted into CK and F1, various natural plant components such as ginseng polysaccharide are reserved, and a specific synergistic effect is generated. Through verification, the prepared ginseng extract is high in bioavailability, can more effectively inhibit cell inflammation, and can more effectively recover the mitochondrial function of senescent cells and inhibit cell senescence. The preparation method provided by the invention is high in operability and easy to standardize and intellectualize. Compared with a traditional extraction and purification method, the adopted fermentation method is more environmentally friendly and efficient, and large-scale production can be achieved in industrial production.

The invention discloses a plant lactobacillus JNL0074 strain, application thereof and a microbial agent, and belongs to the technical field of microorganisms. The lactobacillus plantarum JNL0074 is preserved in the China General Microbiological Culture Collection Center on June 24, 2024, the preservation address is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, the preservation number is CGMCC NO: 31047, and the lactobacillus plantarum is classified and named as lactobacillus plantarum. The strain can realize high yield of indole-3-lactic acid in an MRS culture medium. An in-vitro experiment result shows that supernate of the strain remarkably inhibits inflammatory polarization of macrophages stimulated by lipopolysaccharide and secretion of inflammatory factors. Animal experiment results show that the strain can significantly inhibit sodium dextran sulfate induced colonic tissue inflammatory factor secretion and intestinal barrier injury, alleviate ulcerative colitis, and show a huge application value.

The invention belongs to the technical field of microorganisms, and particularly relates to a lactobacillus polyactis composition for improving skin as well as a derivative and application of the lactobacillus polyactis composition. The composition comprises a bacterial strain, a pure culture or an inactivated bacterium body of bifidobacterium bifidum Bbifid-1 (CCTCC NO: M2023349), bifidobacterium adolescentis Badol-1 (CCTCC NO: M 20242593), phytobacterium plantarum Lplan-4 (CCTCC NO: M 20242594) and lactobacillus acidophilus (BA05). The invention further relates to a preparation method of the composition. The lactobacillus plantarum derivative composition prepared through treatment modes of splitting decomposition, extraction, fermentation and the like can be used as an active ingredient of a medicine or a cosmetic, has remarkable effects of resisting oxidation and bacteria, especially resisting inflammation and inhibiting skin lipid accumulation aiming at propionibacterium acnes and staphylococcus aureus, is beneficial to fading skin red and swollen, avoids hair follicle blockage, and has a good application prospect. The obvious effect on the acne is realized.

The invention relates to the technical field of daily chemicals, in particular to a skin care matrix with skin micro-ecology regulating and hair loss preventing effects and cosmetics thereof. The invention discloses a skin care matrix with effects of regulating skin micro-ecology and preventing hair loss. Comprising the following components in parts by weight: 60 to 70 parts of galactose yeast-like bacterium fermentation product filtrate, 0.05 to 0.5 part of Chinese arborvitae twig and leaf extract, 0.05 to 0.5 part of citrus fruit extract, 0.05 to 0.5 part of white willow bark extract, 0.05 to 0.5 part of officinal magnolia bark extract, 0.05 to 0.5 part of lotus leaf extract, 0.05 to 0.5 part of sea buckthorn fruit extract, 0.05 to 0.1 part of ceramide NS / ceramide NG and 0.05 to 0.5 part of Italian helichrysum extract. 1.0 to 5.0 parts of lactobacillus / soybean extract fermentation product filtrate, 0.5 to 1.0 part of vitex trifolia fruit extract, 0.05 to 0.3 part of hydrolyzed keratin and 0.05 to 0.3 part of hydrolyzed vegetable protein; according to the skin care matrix, the microbial fermentation product and the plant extract are used as skin probiotics, and ceramide and other components are used as auxiliary materials to generate a synergistic effect, so that the skin care matrix shows excellent effects of balancing scalp micro-ecology, repairing hair follicles, refreshing and preventing hair loss on the premise of ensuring safety and mildness.

The invention relates to a preparation method of a calendula fermentation product. The preparation method comprises the step of fermenting calendula with saccharomycetes and lactobacillus in sequence. According to the invention, the calendula is subjected to secondary fermentation by adopting a method of firstly fermenting by using the saccharomycetes and then fermenting by using the lactobacillus, and the calendula is fermented through the synergistic effect of the two bacteria, so that the obtained calendula fermented product has the comprehensive effects of moisturizing, repairing and relieving.

The invention provides a compound probiotic and qi and blood tonifying fermentation composition and a preparation method and application thereof, and relates to the technical field of microorganisms, the compound probiotic comprises plant lactobacillus KMHD-1 and bifidobacterium longum KMBGI 01, the compound probiotic is adopted for fermentation, the fermentation composition capable of tonifying qi and blood, improving immunity and improving energy can be prepared, and the preparation method is simple and convenient. And the compound probiotics are adopted to ferment the fermentation substrate, so that the variety and content of rare ginsenoside of ginseng can be effectively increased, the content of astragaloside and polysaccharide can be increased, and the efficacy of the product is further enhanced.

The invention belongs to the technical field of biological medicines, and particularly relates to a plant lactobacillus YYY01 strain and application thereof in anti-inflammation and production of gamma-aminobutyric acid. The preservation number of the plant lactobacillus YYY01 provided by the invention is GDMCC (China General Microbiological Culture Collection Center) NO: 65147. The plant lactobacillus YYY01 has relatively good biological safety, relatively good survival in a gastrointestinal tract environment and certain intestinal tract adhesion capacity; the plant lactobacillus YYY01 can produce gamma-aminobutyric acid at high yield, and has the effects of resisting inflammation, regulating intestinal flora and enhancing immune barrier. Good application prospects are shown in the aspects of improving the yield of gamma-aminobutyric acid and preparing products containing gamma-aminobutyric acid.

The invention provides a lactobacillus plantarum 24 which is preserved in the general microbiological center of the China Committee for Culture Collection of Microorganisms, and the preservation number of the lactobacillus plantarum 24 is CGMCC No.31278. The lactobacillus plantarum 24 has the advantages that the lactobacillus plantarum 24 is prepared from lactobacillus plantarum, lactobacillus plantarum, lactobacillus plantarum, lactobacillus plantarum, lactobacillus plantarum, lactobacillus plantarum, lactobacillus plantarum and lactobacillus plantarum; the plant lactobacillus 24 disclosed by the invention can secrete sphingomyelinase and promote HaCaT cells to generate ceramide; the plant lactobacillus 24 or the metabolite or lysate thereof can up-regulate expression of key enzymes in a synthetic route of skin cell sphingomyelinase and / or ceramide, and repair a skin barrier; expression of proinflammatory cytokines is lowered, autophagy is inhibited, and a good anti-inflammatory effect is achieved; meanwhile, the anti-oxidation and whitening effects are relatively good. The plant lactobacillus 24 or the metabolite or the cell lysate of the plant lactobacillus 24 can be applied to preparation of products with the effects or the effects of the plant lactobacillus 24 and the metabolite or the cell lysate of the plant lactobacillus 24.

The invention provides lactobacillus mucilaginosus and application thereof, and belongs to the technical field of microorganisms. According to the present invention, the Latin of the Lactobacillus mucus fermentation is Limosilactobacillusfermentum, the preservation name is Lactobacillus mucus fermentation MQ10, the preservation place is China Center for Type Culture Collection (CCTCC), the preservation date is July 22, 2024, and the preservation number is CCTCC NO: M 20241616. The strain has a broad-spectrum antibacterial effect and can inhibit growth and reproduction of various microorganisms. The biological fresh-keeping product prepared from the fresh-keeping agent can reduce the decay rate of food and the browning rate of fruit stems of fruits and vegetables, maintain the content and hardness of soluble solids, slow down the aging decay speed of the food in the storage period and prolong the storage period. Due to the characteristics, the lactobacillus mucilaginosus is expected to become a green and environment-friendly biological fresh-keeping agent, and the quality and the safety of foods are improved.

The invention belongs to the field of microbial fermentation, and particularly relates to a fermented cranberry juice product prepared from fermented lactobacillus mucilaginosus FUA033 and a preparation method of the fermented cranberry juice product. The cranberry juice is fermented by using the fermentation lactobacillus mucus FUA033 capable of converting ellagic acid to generate urolithin A, the ellagic acid in the cranberry juice is converted into urolithin A with multiple biological activities of relieving muscle decline, resisting inflammation, resisting tumors and the like, the antioxidant activity of the cranberry juice is improved, the nutritional ingredients of the cranberry juice are enriched, and the cranberry juice is rich in nutrition and rich in nutrition. The cranberry juice prepared by the preparation method disclosed by the invention not only contains a plurality of antioxidant components, but also contains urolithin A with rich biological activity, can also provide probiotics such as lactobacillus mucus FUA033 and the like for a human body, and has a good application prospect.