117 results about "Intestinal fluid" patented technology

The invention belongs to the technical field of preparation of biological materials, and particularly discloses a sea cucumber flower self-assembled polypeptide-iron nano-carrier as well as a preparation method and application of the sea cucumber flower self-assembled polypeptide-iron nano-carrier. The preparation method comprises the following steps: dissolving freeze-dried sea cucumber flower powder in deionized water, adjusting the pH value to be alkaline, heating and stirring, centrifuging, discarding the precipitate, adjusting the pH value to be acidic, centrifuging, collecting the precipitate, and freeze-drying to obtain sea cucumber flower protein powder; preparing a reaction solution, adding simulated gastric juice and simulated intestinal juice, stirring for reaction, inactivating protease, centrifuging, taking supernatant, and freeze-drying to obtain sea cucumber flower self-assembled polypeptide; the preparation method comprises the following steps: preparing a solution from sea cucumber, adding FeCl2. 4H2O and ascorbic acid, adjusting the pH value to be acidic, carrying out heating reaction, centrifuging, discarding the supernatant, and freeze-drying to obtain the sea cucumber flower self-assembled polypeptide-iron nano-carrier. The invention discloses a sea cucumber flower self-assembled polypeptide-iron nano-carrier as well as a preparation method and application thereof. The carrier can promote absorption of an organism to iron, a relatively high iron ion release rate is maintained in an intestinal environment, and the in-vivo bioavailability of iron ions is improved.

The invention relates to a plant lactobacillus with effects of dispelling effects of alcohol, protecting the liver and restoring consciousness and application of the plant lactobacillus. The plant lactobacillus is a plant lactobacillus BGI-J9 strain, and the preservation number of the plant lactobacillus is CCTCC NO: M 20242630. The invention further discloses a preparation method of the plant lactobacillus with the effects of dispelling effects of alcohol, protecting the liver and restoring consciousness and application of the plant lactobacillus with the effects of dispelling effects of alcohol, protecting the liver and restoring consciousness. The strain has excellent tolerance to gastric acid, intestinal juice and cholate in a gastrointestinal tract system, can survive in the gastrointestinal tract, and provides a basis for continuously playing a probiotic effect; the compound has excellent inhibition capability on common intestinal pathogens; free radicals can be removed, and oxidative damage to the body is reduced; good alcohol metabolism enzyme synthesis capability and alcohol metabolism promoting potential are realized; the strain also has an excellent improvement effect on alcohol-damaged mice, specifically, the metabolism of ethanol and acetaldehyde in a body is accelerated, the occurrence time of drunkenness is obviously delayed, and the sobering time is shortened; intestinal injury and systemic inflammation caused by alcohol are improved; liver oxidative stress caused by alcohol is improved, and the occurrence and development process of alcoholic fatty liver is delayed; and cognitive function impairment caused by alcohol is improved.

The invention discloses a sea cucumber flower self-assembled polypeptide-selenium nano-carrier with antioxidant activity and a preparation method and application thereof, belongs to the technical field of functional protein peptides, and particularly relates to a preparation method of the sea cucumber flower self-assembled polypeptide-selenium nano-carrier with antioxidant activity, which comprises the following steps: heating a sea cucumber flower protein solution; the preparation method comprises the following steps: mixing sea cucumber with simulated gastric juice, reacting for 30-150 minutes, then adding simulated intestinal juice, reacting for 20-120 minutes, carrying out enzyme deactivation treatment, centrifuging, taking supernate, and freeze-drying to obtain sea cucumber flower self-assembled polypeptide; and mixing the sea cucumber flower self-assembled polypeptide with deionized water to prepare a sea cucumber flower self-assembled polypeptide solution, mixing the sea cucumber flower self-assembled polypeptide solution with a sodium selenite solution and a phosphate buffer solution, reacting for 20-60 minutes, washing with an ethanol solution, centrifugally collecting precipitate, and freeze-drying to obtain the sea cucumber flower self-assembled polypeptide-selenium nano-carrier. The sea cucumber flower self-assembled polypeptide-selenium nano-carrier prepared by the invention has good antioxidant activity and potential of effectively delivering selenium to an organism.

The plugging drainage device comprises an outer sleeve, a flushing pipe, an inner suction pipe and an umbrella-shaped plugging mechanism, a plurality of first through holes are formed in the front end of the outer sleeve, the inner suction pipe is arranged in the outer sleeve, a plurality of second through holes are formed in the front end of the inner suction pipe, and the umbrella-shaped plugging mechanism is arranged in the inner suction pipe. The umbrella-shaped plugging mechanism is arranged at the front end of the outer sleeve and can be retracted into the outer sleeve. The device is provided with the plugging mechanism, the fistula can be plugged during flushing, intestinal juice loss is effectively avoided, postoperative recovery of a patient is facilitated, the umbrella-shaped structure is adopted for plugging, compared with bag plugging, the umbrella fabric of the umbrella-shaped structure can be tightly attached to the wound surface, obstruction is effectively avoided, and the application safety of the device is further improved.

The invention belongs to the technical field of preparation of probiotics, and provides a bacterial strain with anti-allergic and immunity-improving effects and application of the bacterial strain. According to the method, a three-layer physical self-assembly structure is adopted, and polysaccharide-polyphenol layer-by-layer self-assembly coating treatment, lipid insertion layer treatment and calcium ion crosslinking protection coating treatment are sequentially carried out. And mannan oligosaccharide MOS and / or galactooligosaccharide GOS are / is mixed in the chitosan layer in a ratio of 0.05-0.15% w / v, and the surface sugar ligand density reaches 4-8 [mu] g per 10 CFU. The coating is constructed under the condition that the pH value is 5.4-5.8; the thickness of the lipid layer is 20-80 nm when the pH value is 5.6-6.2; the cross-linked layer is treated at the pH of 6.0-6.5, so that the gastric acid environment is stable for 2 hours, and the gastric acid is controllably released in intestinal juice for 2-4 hours. The prepared strain has the total thickness of 220-900 nm, the outermost layer coverage rate is larger than or equal to 85%, the gastric juice survival rate is remarkably improved, the strain can be prepared into an oral preparation to be used for preventing and relieving allergic diseases, the viable count of each dose is 1 * 10 <-1 > * 10 <-1 > CFU, and the process is mild and suitable for industrial production.

This invention belongs to the field of microbial technology, specifically relating to a strain of *Pediococcus pentosaceus* SUN02 with acetylcholinesterase inhibitory activity and its applications. This *Pediococcus pentosaceus* SUN02 is deposited at the China General Microbiological Culture Collection Center (CGMCC) with accession number CGMCC No. 29705. The *Pediococcus pentosaceus* SUN02 provided by this invention exhibits strong acid and bile salt resistance, good tolerance in simulated gastric and intestinal fluids, and can successfully reach the human intestine. *Pediococcus pentosaceus* SUN02, in its bacterial suspension and inactivated cells, possesses strong acetylcholinesterase inhibitory activity, produces γ-aminobutyric acid (GABA), and has antioxidant and other probiotic functions. Its application in probiotic products may help improve Alzheimer's disease, enhance learning and memory abilities, regulate mood, and improve sleep.

The present invention provides an aggregate, a preparation method thereof, and an oral insulin formulation. Specifically, an aggregate formed by the assembly of a chalcogen heterocyclic compound and insulin is provided. The aggregate can be further prepared into an oral insulin formulation. The oral formulation can be used to lower the blood glucose level of mammals and is used as part of a diabetes treatment regimen. The chalcogen heterocyclic compound in the oral insulin formulation prepared by this method can effectively protect insulin from overcoming the three major physiological barriers of the oral intake route, is stable in the gastrointestinal environment, and undergoes a dynamic chemical exchange reaction with the sulfhydryl groups of intestinal mucin in intestinal fluid and the proteins on the inner and outer sides of the epithelial cell membrane through the surface poly-chalcogen molecular bond, entering the circulatory system from intestinal epithelial cells and playing a role in lowering blood glucose. When the oral insulin formulation is administered orally, it has high bioavailability and good blood glucose lowering effect in mammals and can be used for the treatment of diabetes.

The invention relates to the technical field of microorganisms, in particular to lactobacillus plantarum, selenium-rich lactobacillus plantarum and application thereof. The lactobacillus plantarum with the preservation number of GDMCC No: 64006 is provided, selenium is enriched through the lactobacillus plantarum, and inorganic selenium is converted into biological nano-selenium which can be preserved in vivo for a longer time. The invention provides a technical scheme that lactobacillus plantarum is subjected to selenium-enriched culture to prepare the selenium-enriched lactobacillus plantarum, the elimination capability of the prepared selenium-enriched lactobacillus plantarum to free radicals DPPH and ABTS < + > and the endurance capability of the prepared selenium-enriched lactobacillus plantarum to simulated gastric juice can be remarkably improved, and the tolerance of the prepared selenium-enriched lactobacillus plantarum to cholate and simulated artificial intestinal juice cannot be reduced; meanwhile, the AIEC associated colitis can be relieved from the aspects of accelerating weight recovery, reducing colon tissue pathological damage, reducing AIEC colonization, promoting intestinal barrier repair, reducing the proinflammatory factor level, improving the selenium level, improving intestinal flora disorder and the like.

The utility model discloses an intestinal juice perfusion testing device used before temporary fistulization reduction. The intestinal juice perfusion testing device comprises an outer shell with the hollow bottom, a perfusion assembly wrapped in the outer shell and a water pump assembly. One end of the filling assembly is plugged into the far end of the fistulization opening, and the other end is connected with a water outlet of the water pump assembly; the outer shell is semicircular, and the bottom of the outer shell is movably connected with the base plate of the two-piece fistulization bag. According to the intestinal juice perfusion testing device used before temporary fistulization and reduction, intestinal juice can be directly perfused into a far-end intestinal canal for temporary fistulization, the flowing condition of the intestinal juice in the natural state is simulated, and therefore the healing condition of a rectum anastomotic stoma, the recovery degree of the anus function and the adaptability of the colon function are evaluated more accurately.

This application relates to the field of functional composition technology, and in particular to a GABA-vitamin D neuroprotective composition and its preparation method, comprising medium-chain triglycerides, modified phospholipids, and a GABA-vitamin D blend. This application utilizes the low interfacial tension and strong amphiphilic compatibility of medium-chain triglycerides and modified phospholipids, enabling them to be miscible with the blend, thus improving the characteristics of GABA and vitamin D being easily degraded and oxidatively inactivated under complex physiological environments, and solving the problems of poor stability and asynchronous absorption. In the preparation method, the preferred component mass ratio is (0.6–1.5):1:(1–1.6), and mixing is carried out at 50–80°C for 10–60 min. The resulting system features high encapsulation efficiency, uniform particle size distribution, and high bioavailability. After treatment in simulated gastric fluid (pH 1.2) for 2 hours, the average GABA retention rate is ≥88% (optimal up to 94.3%), and the average vitamin D retention rate is ≥94% (optimal up to 96.8%). After treatment in simulated intestinal fluid (pH 6.8) for 4 hours, the simultaneous release rate of GABA and vitamin D is ≥90%, achieving precise intestinal delivery and making it suitable for industrial production.

The present invention relates to the field of microbial technology, and provides a Pediococcus acidilactici YYS-J2 that can degrade acrylamide and produce high levels of phenyllactic acid, and its application. Pediococcus acidilactici The preservation number of YYS-J2 is CGMCC No. 28183. This *Pediococcus lactis* YYS-J2 exhibits excellent acrylamide removal capacity, high efficiency in L-phenylalanine utilization and metabolism, high-quality phenyllactic acid production capacity, and excellent *Streptococcus mutans* antibacterial activity. It also produces superoxide dismutase (SOD) and shows good tolerance in simulated gastric and intestinal fluids. This *Pediococcus lactis* YYS-J2 can provide a new probiotic source for the development of functional products such as acrylamide removal products, antibacterial products, and SOD-producing products, and has significant application value.

The invention discloses a composite particle with a prebiotic function and colon-targeted co-delivery performance as well as a preparation method and application thereof, and belongs to the technical field of functional foods and intestinal micro-ecological regulators. According to the composite particle, the curcumin and the resveratrol are encapsulated by the peanut protein isolate to form a nano core, the outer layer of the nano core is a composite shell layer composed of the carboxymethyl konjac glucomannan and the prebiotics, a stable core-shell structure is formed, and the composite particle is small in particle size, good in dispersity and stability and good in stability. The stability of a protein-based delivery system in a gastrointestinal tract environment can be obviously improved; the release rate of the composite particles in simulated gastric juice and intestinal juice is low, and the composite particles can be specifically degraded and release active ingredients in simulated colon fluid containing beta-mannase, so that colon-targeted co-delivery can be realized. The composite particle disclosed by the invention is simple in preparation process and stable in function, can be applied to the fields of functional foods, health foods, formula foods for special medical purposes and the like, realizes dual purposes of active component delivery and intestinal microenvironment regulation, and has a wide application prospect.

This invention discloses a strain of Bifidobacterium animalis subspecies TRT-2A with allergy-relieving effects and its extracellular vesicle applications. The strain TRT-2A is deposited at the China Center for Type Culture Collection (CCTCC) on November 21, 2025, with accession number CCTCC NO:M 20252645. This strain is highly acid-resistant and exhibits good tolerance to artificial gastric and intestinal fluids. It effectively inhibits bacteria, particularly Streptococcus pyogenes, Streptococcus agalactiae, and / or Escherichia coli. Experimental results show that this strain can alleviate hormone-dependent dermatitis and effectively improve dermatitis symptoms such as erythema and desquamation. Furthermore, extracellular vesicles prepared using TRT-2A can effectively improve skin elasticity and reduce wrinkles. Therefore, the Bifidobacterium animalis subspecies TRT-2A of this invention has multiple functions and is worthy of further promotion and application.

The invention belongs to the technical field of biological medicines, and particularly relates to a multifunctional peptide and application thereof in anti-inflammatory, antibacterial, mucous membrane repair and intestinal secretion promotion. Specifically, the invention designs a polypeptide and an analogue which have guanylate cyclase C receptor (GUCY2C) agonist activity and anti-inflammatory, antibacterial and mucous membrane repair functions at the same time. The polypeptide can be combined with GUCY2C, stimulate generation of cyclic guanosine monophosphate (cGMP) in cells, promote intestinal fluid secretion, inhibit release of proinflammatory factors, relieve inflammatory response, promote repair of intestinal injury mucosa, inhibit growth of opportunistic pathogenic bacteria and accelerate intestinal homeostasis recovery after intestinal preparation. The composition can effectively promote intestinal tract cleaning, does not cause intestinal inflammation and mucosal lesion, has no hemolytic toxicity and cytotoxicity, is high in safety, and has a good clinical application prospect.

The invention relates to a colon-targeted micro-ecological regulation composition. The colon-targeted micro-ecological regulation composition is prepared by compounding the following functional components in percentage by weight: 5-95% of a component A, 1-15% of a component B and 4-94% of a component C, the component A is resistant starch, the polymerization degree DP is greater than or equal to 15, and the crystallinity is greater than or equal to 35%; the component B is probiotics and is embedded through a complex coacervation method or an extrusion-gel method, the embedding rate is larger than or equal to 75%, and the particle size is 200-800 microns; the survival rate is greater than or equal to 60% after treatment in simulated gastric juice for 2 hours, and the survival rate is greater than or equal to 50% after treatment in simulated intestinal juice for 4 hours; the component C comprises functional nutritional auxiliary materials, the functional nutritional auxiliary materials comprise prebiotics and a medicinal and edible composition, and the prebiotics comprise rapid fermentation type prebiotics, medium-speed fermentation type prebiotics, slow fermentation type prebiotics and a non-fermentation type water-holding expansion component. By constructing a carbon source slow release-flora orientation-metabolism regulation ternary interaction collaborative network, accurate regulation and multi-target metabolism intervention of the whole digestive tract are realized.

The utility model discloses a balloon plugging catheter structure for colorectal surgery, which belongs to the technical field of catheter structure buckles and comprises a main catheter, the top end of the main catheter is connected with a positioning disc, the top end of the positioning disc is connected with a drainage component, the main catheter comprises a main tube, one end of the main tube is connected with a first balloon, and the other end of the main tube is connected with a second balloon. The other end of the main tube is connected with a second balloon, the bottom end of the second balloon is connected with a drainage tube, open holes are formed in the periphery of the drainage tube, the outer wall of one side of the drainage tube is connected with an auxiliary tube, and a folding opening is formed in the outer wall of one side of the auxiliary tube. The main tube part of the catheter structure is communicated with the corresponding saccules through each group of cavity tubes and can be matched with expansion of the two groups of saccules, double-end blocking is formed during placement and fixation, the sealing stability of the intestinal fistula part is improved, intestinal juice is prevented from overflowing, a subsequent secondary retraction operation is not needed, and the main tube part can be matched with connection of a traction rope to adjust the bending degree of a drainage tube; the intestinal inner wall is prevented from being attached during drainage, and drainage stability is kept.

Nanoemulsion composition for the treatment of inflammatory bowel diseases, comprising: a) 1.0% (w / w) curcumin as active pharmaceutical ingredient; b) 10.0% w / w Caprylic / Capric triglycerides as oil phase; c) 15.0% w / w Tween 80 as surfactant; d) 10.0% w / w PEG 400 as co-surfactant; e) 2.0% w / w lecithin as emulsifier; f) 2.0% w / w ethanol as a solubilizer; and g) distilled water qs to 100 w / w, h) wherein the composition forms a nanoemulsion having a mean particle size in the range of 90-120 nm and a polydispersity index of less than 0.3 and provides sustained curcumin release for at least 12 hours in simulated intestinal fluid.

This invention discloses a strain of *Bacillus parabrachium* ABX1 and its applications, belonging to the field of beneficial microbial technology. The *Bacillus parabrachium* ABX1 provided by this invention is a Gram-positive bacterium isolated from the intestinal fluid of *Bombyx mori*. On CMC-Na solid medium, the ratio of the diameter of the hydrolysis zone to the colony diameter can reach 11. Enzyme activity identification results show that the filter paper enzyme activity of *Bacillus parabrachium* ABX1 is as high as 109.79 U·mL. ‑1 The exo-β-glucanase activity was 107.59 U·mL. ‑1 The cellulase activity reached 107.37 U·mL ‑1 It exhibits excellent cellulose and / or crystalline cellulose degradation capabilities; it is easy to use and has a wide range of enzyme production conditions, showing excellent enzyme activity at pH 5–10 and 25–50℃; the enzyme production time is short, with high enzyme yield achieved in just 12 hours, and there is no significant adverse effect on enzyme yield with prolonged reaction time; it is highly safe to use and has great application prospects in areas such as oak garden waste branch treatment, improvement of oak silkworm digestibility, industrial degradation of cellulose, and improvement of soil fertility.

This invention discloses a strain of *Lactobacillus warfarinii* Z40 and its applications. The taxonomic name of *Lactobacillus warfarinii* Z40 is... Limosilactobacillus walteri Z40, deposited on May 18, 2026 at the China Center for Type Culture Collection (CCTCC), accession number CCTCC NO: M 20261007. This invention isolates a strain of *Lactobacillus warfarinii* Z40 from the intestines of healthy children. It exhibits certain resistance to gastric acid and high bile salts in intestinal fluid, and is non-hemolytic. Mouse model experiments have verified that it can effectively reduce the body weight of obese mice, decrease visceral fat accumulation, lower blood lipid levels, improve abnormal glucose metabolism in mice, and significantly reduce intestinal permeability, thereby improving abnormal phenotypes in mice in multiple ways. It can be applied to products related to weight loss, lowering blood lipids, lowering blood sugar, and improving intestinal barrier function.

The application discloses an automatic pressure regulating negative pressure suction device with automatic humidification function, which comprises a tracheal catheter, a closed sputum suction tube connected to the tail end of the tracheal catheter, a humidification tube connected to a humidification tube port on the closed sputum suction tube, an infusion device connected to the upper end of the humidification tube, sterile humidification liquid connected to the infusion device, a quantitative injection device additionally arranged outside a Murphy dropper of the infusion device, and a pressure pump provided with a volume sensor and a closed air bag wrapping the Murphy dropper, wherein the tail end of the closed sputum suction tube is connected to a disposable negative pressure suction liquid storage bottle through a suction device leather strap, and another connecting port of the negative pressure suction bottle is connected to a negative pressure suction pressure regulating table. According to the application, pressure modules are selected according to different suction liquids (sputum, bile, intestinal fluid, cerebrospinal fluid, etc.), a standard negative pressure value range is adjusted by one key, and the application is convenient to use. In addition, the automatic humidification can be performed on thick sputum for the sputum suction operation, the sputum is made to be thin, and the suction is facilitated.

The application relates to the embedding technical field, and particularly discloses a double emulsion gel bead embedding beta-carotene and probiotics and a preparation method thereof. The double emulsion gel bead comprises a composite layer, an oil phase and an inner water phase from outside to inside. The composite layer comprises an outer water phase and calcium alginate which are fused with each other. The outer water phase comprises a product after carrageenan and sodium caseinate are subjected to a Maillard reaction. The oil phase comprises beta-carotene, vegetable oil and a food emulsifier. The inner water phase comprises probiotics. In the gel bead, the beta-carotene and the probiotics are simultaneously embedded in the double emulsion gel bead, the calcium alginate hydrogel shell starts to decompose when entering the intestinal tract, then the double-layer emulsion is slowly decomposed after being subjected to chemical digestion of pancreatic juice, bile and small intestinal juice and mechanical digestion of the small intestine in the small intestine, and the beta-carotene and the probiotics are gradually released, the beta-carotene is converted into vitamin A in the intestinal tract and is absorbed, and the probiotics are delivered to the colon to play a probiotic effect.

The present invention relates to compositions in the form of cationic microemulsion preconcentrates that contain at least one lipophilic and water-insoluble active agent, at least one polyglyceryl-containing emulsifier, at least one cationic emulsifier, carrier oils, solubilizers, antioxidants, and preservatives. When contacted with either an aqueous medium, gastric or intestinal fluid, the cationic microemulsion preconcentrates self-assemble into cationic microemulsions that are stable in gastric and intestinal fluids. The invention is also related to methods of making and methods of using the cationic microemulsion preconcentrates.

The present invention relates to the field of microorganisms. The present invention provides a Pediococcus pentosaceus VB341 with lipid-lowering efficacy, a culture device and its application. The Pediococcus pentosaceus VB341 was deposited at the China Center for Type Culture Collection on March 8, 2024, with the deposit number CCTCC NO: M 2024433. The Pediococcus pentosaceus VB341 of the present invention has a strong ability to inhibit lipase activity, has strong stability in intestinal fluid and bile salts, can be used to inhibit fat hydrolysis, reduce blood lipid levels, help maintain a healthy blood lipid level, help control body fat and / or lose weight, and is not prone to generating resistance.

This invention discloses a method for evaluating the bioavailability of soybean oil based on an in vitro digestion / cell co-culture model. Soybean oil is emulsified using WPI emulsifier and then digested sequentially through simulated gastric and intestinal fluids to obtain the gastric digestion products of soybean oil. Fatty acids are extracted from the intestinal digestion products of soybean oil, dissolved in dimethyl sulfoxide, and linked to fatty acid-free bovine serum albumin to obtain in vitro digestion products of soybean oil that can be absorbed by the intestines. These are then added to a cell co-culture model for cell incubation and transport. HepG2 cells from the cell co-culture model are collected, and Oil Red O staining and total triglyceride content are measured to obtain lipid deposition, thereby evaluating the bioavailability of soybean oil. The in vitro digestion / cell co-culture model of this invention is specifically designed for soybean oil digestion. This method objectively and scientifically evaluates the bioavailability of soybean oil at different metabolic stages, providing a standard basis for the scientific and healthy consumption of soybean oil and possessing significant practical value.

The invention provides pediococcus acidilactici with functions of improving emotion and intestinal health and application of the pediococcus acidilactici. The pediococcus acidilactici A25-4 is preserved in Guangdong Microbial Culture Collection Center on May 23, 2025, and the preservation number of the pediococcus acidilactici A25-4 is GDMCC NO: 66384. The pediococcus acidilactici A25-4 has better cholate resistance and artificial gastrointestinal fluid resistance and can produce indole lactic acid ILA at high yield, and the optimal carbon source is fructo-oligosaccharide and galactooligosaccharide. The pediococcus acidilactici A25-4 in-vivo intervention can significantly improve the symptoms of an irritable bowel syndrome model mouse, specifically, the anxiety mood of a tested object is significantly improved; the viscera hypersensitivity of a tested object is obviously relieved; excessive activation of mast cells of a tested object is obviously inhibited; the ILA level in a tested object is obviously improved.

The present application relates to the technical field of medical devices, and discloses an intestinal fluid intermittent return method and system based on pressure self-adaptation, wherein multi-modal sensor network is used to collect patient situation state, physiological rhythm and intestinal pressure data to obtain multi-dimensional monitoring data flow; time series signal processing technology is used to extract the corresponding phases of each data and calculate synchronization metrics; a synchronous state classification model is used for collaborative state classification; based on the classification result, a return decision instruction is generated to control the return device and adjust the return parameters according to the intestinal pressure; in addition, the present application also uses an incremental learning algorithm to adjust the model threshold and decision parameters based on individualized data sets, which can accurately control the return timing and parameters, and improve the return effect and safety of intestinal fluid.

The application discloses a process and system for preparing nutritional feed by using oil refining waste residue, and the process comprises the following steps: guiding impurities to embed into the growth edge of a crystal lattice by slowly reducing the temperature in the initial stage of a segmented temperature reduction program, and promoting the surface to form a crystalline shell layer with certain mechanical strength and structural defects; after entering the intestinal environment of crustacean aquatic products, the shell layer is eroded by intestinal fluid and the overall structure is fractured along the defect area, and the solid oil gel network inside the shell layer exerts a structural binding force on the shell layer in the early stage to maintain the prestressed state of the defect area, and the physical impact force released at the moment of shell layer fracture is completely transmitted to the network inside, so that the physical impact force generated by the collapse of the shell directly pulverizes the solid oil gel network inside, and the solid oil gel network is rapidly disintegrated and dispersed into free oil in a high dispersion state in the intestinal tract, so that the complete release and efficient absorption of lipid nutrition are realized.

The invention belongs to the technical field of microcapsules, and particularly relates to an enteric sustained-release microcapsule as well as a preparation method and application thereof. A hydrophobic natural drug and zein are used as core materials, carboxymethyl cellulose is used as a shell material, a flash nanoprecipitation method is adopted, at the moment, the hydrophobic natural drug rapidly forms a hydrophobic core after encountering water, and zein dissolved in an ethanol solution is rapidly assembled after encountering water; according to the preparation method of the enteric-coated sustained-release microcapsule, the hydrophobic natural medicine is wrapped through the hydrophobic effect, then the enteric-coated sustained-release microcapsule is prepared through electrostatic binding with carboxymethyl cellulose, the technical defect that the bioavailability is low due to poor water solubility of the hydrophobic natural medicine is overcome, and the enteric-coated sustained-release microcapsule can be used for preparing the enteric-coated sustained-release microcapsule. And the sustained release in intestinal juice is realized.

The invention belongs to the technical field of biological material preparation, and provides genipin cross-linked black bean peptidyl tea polyphenol sustained-release gel balls and a preparation method thereof. The preparation method comprises the following steps: dissolving black bean protein in water, carrying out microwave treatment, heating and incubating, adding protease for enzymolysis modification, and carrying out enzyme deactivation and precipitate removal to obtain a black bean peptide solution; the preparation method comprises the following steps: uniformly mixing black soybean peptide with a sodium alginate solution, adding tea polyphenol, uniformly stirring and mixing, adding a genipin aqueous solution, carrying out constant-temperature water bath, and dropwise adding the obtained solution into a calcium chloride solution to form gel balls; the prepared genipin cross-linked black bean peptidyl tea polyphenol sustained-release gel ball has a compact and stable wrinkled three-dimensional network structure and is high in biocompatibility and dispersity, and the stability of tea polyphenol is remarkably improved; the pH-responsive tea polyphenol slow release performance is achieved, accurate slow release of the tea polyphenol in intestinal juice is achieved, and the bioavailability of the tea polyphenol is improved.

The utility model relates to the technical field of medical treatment, and provides a stoma enema drainage device with an anal tube, which comprises an excrement collecting bag with a base plate for collecting excrement in the intestinal tract of a stoma patient. A one-way valve is arranged on the other side wall, away from the base plate, of the excrement collecting bag, and the one-way valve unidirectionally circulates from the outside of the excrement collecting bag to the inside of the excrement collecting bag. The one-way valve is provided with an anal tube structure which is used for connecting the intestinal tract of the stoma patient with an external enema bag or an infusion bottle so as to realize the enema operation of preventing excrement liquid from leaking and preventing enema liquid from flowing back. The stoma enema tube has the advantages that the stoma enema tube can be used for implementing stoma enema and collecting excrement, and excrement liquid in intestinal tracts is not easy to leak to pollute the body of a stoma patient and the surrounding environment during enema.