493 results about "Gut flora" patented technology

The invention belongs to the technical field of medical data processing and artificial intelligence, and particularly relates to a cardiovascular disease risk prediction system based on multi-modal fusion, which comprises a multi-modal data acquisition and preprocessing module, a cross-modal association graph construction module, a dynamic fusion and prediction module based on a graph neural network and an interpretability analysis module. By constructing a heterogeneous graph fusing prior knowledge and data driving and utilizing a graph attention network to perform multi-level dynamic feature fusion, deep integration and interaction of multi-modal data such as genomes, iconography, clinical and intestinal flora metabolism are realized, so that the accuracy and interpretability of cardiovascular disease risk prediction are improved.

The invention discloses application of a stem cell exosome in treating depression-like behaviors caused by high-altitude hypoxia, and belongs to the technical field of biomedicine. The stem cell exosome is an exosome derived from human umbilical cord mesenchymal stem cells, and is used for drugs for preventing and / or treating depression-like behaviors caused by high-altitude hypoxia. The exosome can effectively improve depression-like core behavior symptoms caused by high-altitude hypoxia by regulating a brain-intestinal axis; the method starts from remodeling intestinal flora so as to influence the intracerebral metabolite spectrum, and finally plays a role in neuroprotection by regulating and controlling a 5-HT6 / cAMP-PKA key signal channel. In addition, the combination of the hUC-MSC-exo and probiotics shows synergistic interaction potential, and a potential treatment strategy which is novel in mechanism, remarkable in effect and high in safety is provided for the field.

The invention relates to the technical field of health evaluation, in particular to a group image health evaluation method and system based on intestinal flora, and the method comprises the steps: collecting intestinal flora samples of a target group through a standardized process, and obtaining microbial sequence information through a high-throughput sequencing technology; microflora diversity characteristics and core flora characteristics are extracted through strain identification and relative abundance analysis, individual flora characteristics are compared with a healthy population reference database, health state scores are calculated, health grades are divided, population health grade distribution is counted, and the population health grade distribution is calculated. And generating a group health evaluation report containing a visual chart and text analysis. According to the method, a complete technical system from sample collection to health strategy making is established, systematic evaluation of the group health state from the perspective of intestinal flora is achieved, and the limitation of a traditional method in group health early evaluation is overcome. The method is suitable for health monitoring of different scales of groups, and provides effective technical support for public health management and health service.

A Bifidobacterium animalis subsp. lactis for reducing Abeta42 deposition and an application, a name of the Bifidobacterium animalis subsp. lactis is Bifidobacterium animalis subsp. lactis IOB-LO7, and classified as Bifidobacterium animalis subsp. lactis, the Bifidobacterium animalis subsp. lactis IOB-LO7 is preserved in the General Microbiology Center of the China General Microbiological Culture Collection Center (CGMCC) on Dec. 23, 2021, with the collection number of CGMCC No. 24185. By reducing the levels of Aβ42 in the cerebral cortex and hippocampus, clearing Aβ amyloid plaques, improving communication between neurons, reducing brain neuroinflammation, and protecting nerve cells, it helps to restore cognitive function and improve Alzheimer's disease. Additionally, it can also improve gut microbiota imbalance caused by Alzheimer's disease.

The invention relates to a polygonatum sibiricum probiotic compound preparation with an aging delaying effect and application thereof. The compound preparation comprises a polygonatum sibiricum extract and a probiotic composition, the bacterial strains in the probiotic composition comprise a combination of a bifidobacterium animalis subsp. Lactis BLa36 bacterial strain, a bifidobacterium longum BL21 bacterial strain, a bifidobacterium adolescentis BAC30 bacterial strain, a lactobacillus plantarum Lp90 bacterial strain, a lactobacillus casei LC89 bacterial strain, a bifidobacterium breve BBr60 bacterial strain and a pediococcus acidilactici CCFM7902 bacterial strain. After the rhizoma polygonati component and the probiotic component are combined for use, the rhizoma polygonati component and the probiotic component have potential synergistic effects in the aspects of improving the intestinal flora structure, regulating the intestinal environment, delaying senescence, reducing inflammation-related symptoms and the like. Moreover, further, various probiotic strains are compounded and combined for use, so that the capability of a related compound preparation in the aspect of delaying various symptoms of senescence can also be improved in a combined manner.

The invention relates to application of bifidobacterium animalis subsp. Lactis BLa80 in preparation of a preparation for relieving depression or anxiety. The bifidobacterium animalis subsp. Lactis BLa80 is a strain of the bifidobacterium animalis subsp. Lactis BLa80 with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No.22547, and the strain of the bifidobacterium animalis subsp. Lactis BLa80 is a strain of the bifidobacterium animalis subsp. Lactis BLa80 with the preservation number of CGMCC No.22547. The invention develops a brand new application of the bifidobacterium animalis subsp. Lactis BLa80 strain, namely, the bifidobacterium animalis subsp. Lactis BLa80 strain is used for relieving depression or anxiety symptoms, specifically, the bifidobacterium animalis subsp. Lactis BLa80 strain can stimulate RIN14B cells to secrete 5-HT, can relieve depression and anxiety-like behaviors of mice suffering from depression and anxiety, can relieve hyperfunction of hypothalamic-pituitary-adrenal axis (HPA axis), and can relieve depression and anxiety-like behaviors of mice suffering from depression and anxiety. The inflammatory response of mice with depression and anxiety is relieved, the expression level of brain-derived neurotrophic factors in hippocampus of the mice with depression and anxiety is improved, the abundance of intestinal beneficial flora of the mice with depression and anxiety is improved, and the diversity of intestinal flora is increased.

The invention belongs to the technical field of biological medicine, and relates to application of a clerodendranthus spicatus tea bag in regulating intestinal excretion and reducing uric acid. One of the purposes of the invention is to provide the application of the clerodendranthus spicatus teabag in regulating intestinal tracts to reduce uric acid According to a preferred embodiment, the clerodendranthus spicatus teabag regulates ATP binding cassette transporter G2 and inhibits uricase activity. The invention provides the application of the clerodendranthus spicatus teabag in regulating the intestinal microbial environment and reducing uric acid, and the clerodendranthus spicatus teabag has remarkable beneficial effects. The clerodendranthus spicatus teabag can effectively regulate the structure and the function of intestinal microflora, especially the enrichment amount of characteristic bacteria Muriaculum in the intestinal tract, further strengthens the probiotic activity of the intestinal flora, and is helpful for maintaining the steady state of uric acid in the body. The multi-way synergistic effect not only provides an innovative strategy for preventing and treating hyperuricemia and related metabolic diseases, but also avoids side effects possibly brought by traditional medicines, and shows good application prospects and clinical values.

The invention discloses an intestinal flora delivery system based on a lactobacillus biological membrane and a preparation method of the intestinal flora delivery system, the intestinal flora delivery system is based on the lactobacillus biological membrane, and the biological membrane particularly refers to a biological membrane system which is induced by lactobacillus spp. Through optimized culture conditions and is mature in structure. And after physical collection and mild homogenization treatment, a biological membrane fragment suspension mainly composed of an extracellular polymeric matrix is obtained. According to the invention, a treated lactobacillus biofilm matrix is used as a core carrier, and a compact natural three-dimensional network structure can provide an excellent physical barrier; meanwhile, the biological matrix has chemical buffering potential and good biocompatibility.

The invention discloses a traditional Chinese medicine-probiotic combined preparation, a preparation method thereof and application of the traditional Chinese medicine-probiotic combined preparation in gastric mucosal lesion protection. The preparation is composed of a traditional Chinese medicine extract and a bacillus subtilis bacterial suspension, the traditional Chinese medicine extract is prepared from radix codonopsis, rhizoma smilacis glabrae, rhizoma atractylodis macrocephalae, fructus aurantii, radix aucklandiae, bletilla striata, herba ecliptae, radix salviae miltiorrhizae, fructus arctii and fructus psoraleae according to a specific proportion through water decoction, filtration, freeze-drying and mixing with the prepared bacterial suspension. The combined preparation has remarkable protection and treatment effects on gastric mucosal lesion caused by helicobacter pylori infection and ethanol, not only can effectively inhibit the growth of helicobacter pylori, but also can relieve gastric inflammatory response and apoptosis, and the effect of the combined preparation is equivalent to or even better than that of a conventional triple therapy or omeprazole. Meanwhile, the preparation shows synergistic interaction functions of regulating body immunity and maintaining intestinal flora balance, the preparation process is simple and convenient, the safety is high, and the preparation has wide application prospects in preparation of drugs for resisting helicobacter pylori, protecting gastric mucosa and regulating intestinal flora.

The invention relates to the technical field of medical assistance, in particular to a depression risk assessment method and system based on intestinal flora characteristics. The method comprises the following steps: acquiring an individual enteric microorganism sample, performing nucleic acid sequencing on the enteric microorganism sample, and determining abundance data of functional genes related to a neural activity metabolic pathway in enteric microorganisms; carrying out metabolite detection on the intestinal microorganism sample, and determining concentration data of metabolites related to the neural activity metabolic pathway in the intestinal microorganisms; based on the abundance data of the functional genes and the concentration data of the metabolites, data fusion processing is carried out, a neural activity metabolism function spectrum is constructed, and the neural activity metabolism function spectrum is a multi-dimensional feature vector; and inputting the neural activity metabolic function spectrum into a pre-trained risk assessment model, and outputting a depression risk score of the individual. The accuracy and repeatability of evaluation are remarkably improved, and the method has great potential for early screening, dynamic monitoring and personalized health management.

The invention discloses a construction method and application of a bacterium-derived depression mouse model, and belongs to the technical field of biological medicines. The method comprises the following steps: randomly grouping SPF (specific pathogen free) grade C57BL / 6J experimental mice; using drinking water quadruple antibiotics or intragastric administration quadruple antibiotics to deplete mouse background intestinal flora; according to the method, a freshly prepared Eggera tarda bacterial liquid is applied to male mice of 7-9 weeks old in an intragastric administration manner, and the bacterial-derived depression mouse model is constructed. According to the construction method disclosed by the invention, by directly planting the Eggera tarda which has a definite causal relationship with the major depression, multivariable interference introduced by a traditional complex mental stress model is avoided, and a'bacterial origin 'animal model which is more single in variable, clearer in causal relationship and clearer in mechanism is constructed; and an efficient and reliable experimental tool is provided for accurately explaining the specific action mechanism of the'microorganism-intestine-brain axis' mediated by the Eggera tarda in the occurrence and development of the depression.

The invention discloses an application of astaxanthin in preparation of a regulator for improving the gentisic acid level. On the basis of non-targeted metabonomics analysis, it is found for the first time that in the SAP pathogenesis process, the level of a flora metabolite, namely gentisic acid (GA), in intestinal contents is remarkably reduced, and in-vivo gentisic acid level can be remarkably callback through astaxanthin intervention. Further research proves that exogenous supplement of gentisic acid can effectively simulate the protection effect of astaxanthin, including improvement of pancreatic tissue pathological damage, reduction of serum lipase and amylase activity, and inhibition of systemic inflammatory response (down-regulation of IL-1beta, IL-6 and TNF-alpha and up-regulation of IL-10). The invention not only discloses a new mechanism that astaxanthin plays a therapeutic role through an'intestinal flora-metabolite 'axis, but also determines that gentisic acid is used as a novel drug target for treating SAP, and constructs a new method for screening drugs for treating SAP according to the novel drug target.

The invention belongs to the technical field of beverage mixing equipment, and particularly discloses a bifidobacterium beverage for regulating intestinal flora and mixing equipment, the bifidobacterium beverage comprises a bifidobacterium microbial inoculum, prebiotics, a base material and water; the equipment comprises a mixing tank, a rotating frame is rotationally arranged in the mixing tank, rotating blades are rotationally arranged on the rotating frame in the radial direction, a fixing shaft is arranged in the mixing tank, an end face fluted disc is arranged on the fixing shaft, and the ends, facing the center of the fixing shaft, of the rotating blades are meshed with the end face fluted disc; when the rotating frame rotates, the rotating blades synchronously rotate, and the composite motion of the rotating blades can fully cover conical areas at the upper end and the lower end of the mixing tank, so that a material deposition layer is effectively broken, and the problem of non-uniform component distribution caused by mixing dead angles of existing equipment is solved; meanwhile, the motion mode of composite stirring is milder, the local shear force can be obviously reduced, the inactivation of bifidobacterium cells due to mechanical damage is avoided, and the mixing efficiency and bacterial activity protection are both considered.

The application discloses a new use of a fumaria officinalis extract and a pet food additive. The new use of the fumaria officinalis extract is used as a pet food additive for improving the first mouth preference of pet food and reducing the peculiar smell of pet feces, and the pet includes dogs and cats. The addition amount of the fumaria officinalis extract in the feed is 300 g / t; and the addition amount of glucose oxidase in the feed is 300 g / t. The addition in the daily ration can improve the abundance of probiotics in the intestinal tract of pets and reduce the abundance of pathogenic bacteria. The application can improve the first mouth preference of pets, dogs and cats, and the two have a certain synergistic effect, can effectively reduce the generation of fecal odor substances in the feces of the pets, dogs and cats, effectively improve the intestinal flora structure of the pets, dogs and cats, improve the intestinal health level of the pets, dogs and cats, improve the intestinal health condition of the pets, dogs and cats, and the product has the advantages of stable quality, high safety, simple preparation method and suitability for industrialized production.

The invention provides a mulberry phellinus linteus strain SH08, mulberry phellinus linteus polysaccharide as well as a preparation method and application of the mulberry phellinus linteus polysaccharide, and belongs to the technical field of biological medicines and functional foods. The mulberry phellinus igniarius strain SH08 provided by the invention is preserved in the China Center for Type Culture Collection on October 11, 2025, the preservation address is No. 299, eight road, Wuchang District, Wuhan City, Hubei Province, the strain preservation number is CCTCC NO: M20252203, and the mulberry phellinus igniarius strain SH08 is named as SanghuangAKSQSH01. The invention also provides a method for preparing high-purity mulberry phellinus linteus polysaccharide (SHP-PS) from sporocarp of the strain, and structural characterization of the polysaccharide. Experiments prove that the SHP-PS can effectively improve non-alcoholic fatty liver disease (NAFLD) induced by high fat diet, and the mechanism of the SHP-PS is closely related to blood fat regulation, liver injury and inflammation reduction, intestinal barrier repair, intestinal flora structure regulation and short-chain fatty acid generation promotion. The invention provides high-quality raw materials and a clear technical scheme for developing novel medicines or functional foods for preventing and treating NAFLD, and has important application value.

The invention discloses bifidobacterium longum subsp. Infantis for regulating intestinal motility and aquaporin and application of the bifidobacterium longum subsp. Infantis, and belongs to the technical field of microorganisms. According to the invention, the bifidobacterium longum subsp. Infantis CCFM1269 is screened, and the bifidobacterium longum subsp. Infantis CCFM1269 has the effects of intestinal motility and aquaporin, specifically, the defecation frequency is reduced, and the water content of excrement and the small intestine propulsion rate are reduced. The intestinal motility abnormality is relieved by reducing the levels of neurotransmitters 5-HT, SP and VIP, and the intestinal moisture absorption and secretion are regulated by improving the mRNA expression of aquaporin AQP4 and AQP8. Meanwhile, the intestinal flora is adjusted by improving the diversity of the intestinal flora, and the content of propionic acid and butyric acid in excrement is increased.

The utility model discloses an automatic microorganism enrichment and adsorption device and relates to the technical field of biomedicine. The device comprises an enrichment adsorption box, the enrichment adsorption box is provided with a harmful bacterium adsorption assembly used for removing harmful bacteria in intestinal microorganism mixed liquid, a beneficial bacterium enrichment assembly used for enriching beneficial bacteria in the microorganism mixed liquid, a beneficial bacterium dissociation assembly used for dissociating the beneficial bacteria and antibody magnetic beads which are coupled together, and a beneficial bacterium collection bottle used for collecting the beneficial bacteria. And the negative pressure assembly is used for enabling the intestinal microorganism mixed liquid to flow through the harmful bacterium adsorption assembly, the beneficial bacterium enrichment assembly and the beneficial bacterium dissociation assembly and enter the beneficial bacterium collection bottle. According to the utility model, specific intestinal microorganisms can be selectively screened, so that a solid foundation is laid for precise transplantation of intestinal flora and precise treatment of specific related diseases of the intestinal tract.

The invention discloses a composition for synergistically regulating intestinal flora and application thereof. The composition comprises the following components in parts by weight: 10-80 parts of a cordyceps militaris extract, 2-40 parts of quercetin, 5-50 parts of prebiotics and 5-80 parts of nucleotide. The compositions provided by the invention supplement each other, have a synergistic effect, are compounded according to a scientific proportion, can improve the diversity of intestinal microorganisms of mice and the abundance of species, and can significantly improve intestinal inflammation symptoms in a mouse colitis model.

The invention provides application of desulfurization vibrio in screening of drugs or functional food for preventing and treating sarcopenia. According to the application disclosed by the invention, a main intestinal flora desulfurization vibrio capable of promoting amyotrophy is firstly found, and the desulfurization vibrio can be used as a main target for screening sarcopenia and can be used for screening medicines or functional foods for preventing and treating sarcopenia. Sinopenia susceptible people are screened through abundance of desulfurization vibrio in excrement, and early discovery and targeted early intervention can be carried out; aiming at the mechanism that desulfurization vibrio in intestinal tracts promotes occurrence and development of sarcopenia, drugs or functional food for treating sarcopenia can be further screened, and then substances / new therapy for preventing and treating sarcopenia are developed.

This application relates to the field of tumor treatment technology, specifically to a drug combination and evaluation method for improving the sensitivity of MSS CRC to anti-PD-1 / PD-L1 therapy. The drug combination comprises vancomycin and an immune checkpoint inhibitor. Vancomycin is used to remodel the gut microbiota and reduce L-asparagine levels; the immune checkpoint inhibitor is used to activate CD8. + T-cell anti-tumor response. By combining vancomycin with immune checkpoint inhibitors, the antigen-presenting capacity of dendritic cells is enhanced, thereby increasing the sensitivity of MSS CRC to anti-PD-1 or anti-PD-L1 immunotherapy. This application focuses on the upstream initiation link of gut microbiota-metabolites-dendritic cells-immune activation, relieving the inhibition of dendritic cell antigen presentation by L-asparagine and enhancing CD8+. + T cell activation and tumor immune response enhance the sensitivity of MSS-type colorectal cancer to anti-PD-1 / PD-L1 therapy.

The invention belongs to the technical field of biochemistry and functional polymer materials, and particularly relates to a polysaccharide-oligopeptide co-assembled intestinal flora regulation and control material and a preparation method thereof. The material is prepared from imine-boric acid ester double dynamic crosslinking modified chitosan, glycyl-tryptophan dipeptide, sodium lactate, citric acid, glycerol and a phosphate buffer solution. A reversible imine bond and a borate bond are introduced into chitosan molecules to construct a polysaccharide network with a double-dynamic crosslinking characteristic, and then the polysaccharide network and oligopeptide molecules are synergistically self-assembled to form a three-dimensional gel structure. The material has pH responsiveness, self-repairing property and slow-release function, and can realize continuous release of short peptides and selective regulation and control of probiotics in an intestinal environment. The prepared material is high in gel strength, good in structural stability and stable in oligopeptide release, and has remarkable promotion and inhibition selectivity on intestinal flora. The method provides an innovative co-assembly strategy for polysaccharide functionalization and micro-ecological intervention, and has a good application prospect.

The invention discloses a computer device for noninvasive recognition of Parkinson's disease based on intestinal flora and a computer readable storage medium. The invention provides a computer device, which comprises a memory, a processor and a computer program stored on the memory, and the processor executes the computer program to realize the following steps: S1, receiving data: receiving sample data, the sample data being relative abundance of each genus in 11 genus in an in-vitro fecal sample of a subject; s2, inputting data: inputting the sample data into a Parkinson's disease prediction model; s3, outputting a result: outputting a probability value of the illness condition of the Parkinson's disease of the subject through the Parkinson's disease prediction model; and then the Parkinson's disease condition of the subject is obtained based on the probability value. The method shows obvious superiority in the aspects of non-invasive prediction of PD, personalized medical support, cost effectiveness and the like, and has important clinical application value and research prospect.

This invention belongs to the field of biomedical technology, specifically relating to a post-biotic hydrogel for relieving alcoholic gastric ulcers, its preparation method, and its application. The post-biotic hydrogel for relieving alcoholic gastric ulcers provided by this invention is mainly prepared from post-biotics of *Lactobacillus rhamnosus* and modified lactoferrin; *Lactobacillus rhamnosus* is *Lactobacillus rhamnosus* JM023. Experiments have confirmed that the post-biotic hydrogel of this invention, when applied to a rat model of alcoholic gastric ulcers, can inhibit the occurrence of gastric ulcers by suppressing oxidative stress and inflammatory responses and increasing the secretion of protective factors. It also alleviates alcoholic gastric ulcers by regulating the expression of metabolic pathways related to oxidation, inflammation, apoptosis, and tissue repair, and by regulating the gastrointestinal flora. In other words, the post-biotic hydrogel of this invention has an effective effect in relieving the symptoms of alcohol-induced gastric ulcers and is suitable for development and application as a drug or health product for relieving alcoholic gastric ulcers.

The invention belongs to the field of food nutrition and pharmacy, and particularly relates to folium mori crude polysaccharide and application thereof. An extract rich in mulberry leaf polysaccharide is extracted from mulberry leaves through a specific extraction process, and it is found through an in-vitro antibacterial experiment that the crude mulberry leaf polysaccharide has the direct inhibiting and killing effect on helicobacter pylori (Helicobacter pylori). In-vitro intestinal flora fermentation research shows that the folium mori crude polysaccharide can effectively correct intestinal flora disorder caused by triple antibiotics for treating helicobacter pylori, meanwhile, the short-chain fatty acid level is remarkably improved, and the helicobacter pylori abundance in intestinal flora is reduced. The application field of mulberry leaf polysaccharide is widened, and important reference is provided for developing products for adjuvant therapy of H.pylori infection and intestinal microecology regulation based on natural polysaccharide.

The application belongs to the technical field of biological medicine, and discloses application of high galangal polysaccharide in preparation of a preparation for improving alcohol-induced intestinal flora disorder. The application prepares an oral preparation with high galangal polysaccharide as an active ingredient, and aims at alcohol-induced intestinal flora disorder. According to a dosing amount of 125-250 mg / kg body weight / day, the alcohol-induced intestinal barrier damage can be repaired, the expression of tight junction proteins can be up-regulated, the intestinal flora alpha diversity can be improved, the intestinal flora structure can be regulated, the relative abundance of beneficial bacteria can be up-regulated, the relative abundance of harmful bacteria can be down-regulated, the alcohol-induced flora structure deviation can be reversed, and the intestinal short-chain fatty acid content can be increased, so that the alcohol-induced intestinal flora disorder can be well regulated.

The invention discloses a system for predicting the risk of Alzheimer's disease and application thereof, and belongs to the technical field of biomedicine, the system for predicting the risk of Alzheimer's disease comprises an input module, a prediction module and an output module; the input module is used for inputting feature indexes, and the feature indexes comprise a first feature index, a second feature index and a third feature index; the first characteristic index is the abundance of the intestinal flora biomarkers, and the intestinal flora biomarkers are Rosella bursa-pastoris, Hornicidae bacteria and Bacteroides multiforme; the second characteristic index is an excrement tryptophan metabolite level; the third characteristic index is a disease clinical characteristic; the prediction module is used for calculating the characteristic indexes input by the input module through a prediction model to obtain the risk probability of the Alzheimer's disease; and the output module is used for outputting the risk probability obtained by the prediction module. The system provided by the invention can provide a scientific basis for early diagnosis and intervention of Alzheimer's disease.

The invention relates to a purification and application method of a self-assembled supramolecular substance based on a radix puerariae, scutellaria baicalensis, coptis chinensis and honey-fried licorice root decoction, which comprises the following steps: proportioning radix puerariae, scutellaria baicalensis, coptis chinensis and honey-fried licorice root, adding water, decocting to obtain a GQD decoction, sequentially carrying out ultrafiltration and alcohol precipitation treatment on the supernatant of the GQD decoction, volatilizing the obtained supernatant, redissolving, and freeze-drying to obtain the self-assembled supramolecular substance, and purifying to obtain the self-assembled supramolecular substance based on the self-assembled supramolecular substance based on the radix puerariae, scutellaria baicalensis, coptis chinensis and honey-fried licorice root decoction. The compound is further used for preparing anti-inflammatory and anti-UC drugs; according to the invention, the anti-UC characteristic of the traditional Chinese medicine composition is utilized to recover intestinal flora with UC disorder and repair damaged intestinal barriers, meanwhile, core pharmacodynamic substances are reserved to the greatest extent, other irrelevant or harmful impurities can be reduced, and the traditional Chinese medicine composition is suitable for separating and purifying a nano-scale supramolecular compound with biological activity in a traditional Chinese medicine decoction to improve the curative effect and reduce toxic and side effects, so that the traditional Chinese medicine composition is suitable for clinical application. And the intestinal micro-ecology and mucous membrane barrier function can be repaired.

The application discloses a Bifidobacterium longum subsp.longum strain for relieving pathological characteristics of mice with chronic kidney disease induced by adenine, and belongs to the technical fields of microorganisms and medicines.The application provides a biomarker combination related to end-stage renal disease of peritoneal dialysis, wherein the corresponding species abundance in the biomarker combination presents significant difference in matched healthy control population and peritoneal dialysis population, can effectively distinguish the end-stage renal disease population of peritoneal dialysis and the healthy population, and has high sensitivity and specificity.The application also provides a Bifidobacterium longum subsp.longum strain CCFM1375 capable of delaying the progression of renal failure, which can be used for preparing products for improving chronic kidney disease.

The utility model discloses a kind of intestinal flora dynamic culture detection instruments, comprising: pedestal, box, feeding tank, stirring device, heating device and multistage detection structure.The pedestal upper surface is fixedly connected with box, box top is equipped with feeding tank, feeding tank below is communicated with stirring barrel by through pipe.The first motor is equipped outside stirring barrel, motor drives rotating rod to rotate to drive stirring plate to stir culture solution, rotating rod is equipped with constant-temperature heating rod outside, for maintaining suitable temperature.Culture solution sequentially enters acid-base detection chamber by first downpipe, enters dissolved oxygen detection box by second downpipe, then enters dynamic monitoring chamber by third downpipe, and the detection of pH value, dissolved oxygen and flora state is realized gradually.Dynamic monitoring chamber top is equipped with exhaust duct connection air pump, air pump introduces waste gas into waste gas treatment tank through first air pipe, realizes waste gas purification discharge.The device structure is compact, function is complete, can realize dynamic culture and multi-parameter monitoring to intestinal flora.

This invention discloses a probiotic liquid core ball cultured under polysaccharide confinement, its preparation method, and its application in improving children's intestinal flora. Belonging to the field of probiotic preparation technology, it employs an extrusion method combined with calcium alginate cross-linking technology, using xanthan gum and other thickening polysaccharides to optimize the types and concentrations of polysaccharides to construct the confinement space. The effects of different oxygen conditions on the encapsulation of different proportions of *Lactobacillus rhamnosus* LRa05 and *Bifidobacterium animalis* BLa80 were investigated to obtain the optimal probiotic liquid core ball cultured under polysaccharide confinement. This process is simple, uses safe raw materials, and after confinement culture, the viable bacteria count is ≥10⁹ CFU / g. It can directionally increase the abundance of beneficial bacteria in children's intestines, inhibit opportunistic pathogens, enhance flora diversity and stability, and is suitable for children's dietary scenarios, providing a safe and efficient intestinal flora regulation solution.