18 results about "Water soluble polysaccharides" patented technology

The invention discloses a poria cocos water-soluble polysaccharide preparation method based on enzyme-alkali synergy. The poria cocos water-soluble polysaccharide preparation method comprises the following steps: S1, crushing poria cocos to obtain poria cocos powder; mixing with ethanol, stirring and extracting; mixing with distilled water, stirring and extracting, and finally drying; s2, mixing the obtained system with a sodium hydroxide solution, stirring at room temperature, and centrifuging to obtain supernate; adjusting the pH value of the supernate by using an acetic acid solution, standing, repeatedly washing by using distilled water, and freeze-drying to obtain the alkali-soluble polysaccharide of the poria cocos; and S3, dissolving the obtained system in a sodium hydroxide solution, adding a compound enzyme, carrying out an enzymatic hydrolysis reaction, and carrying out enzyme deactivation, centrifugation, tetraploid volume ethanol precipitation, dialysis and freeze-drying on an enzymatic hydrolysate to obtain the poria cocos water-soluble polysaccharide. The invention provides a poria cocos water-soluble polysaccharide preparation method based on enzyme-alkali synergy, poria cocos alkali-soluble polysaccharide is used as a substrate, the poria cocos water-soluble polysaccharide is prepared by complex enzyme, and the extraction rate and activity of the poria cocos water-soluble polysaccharide are improved. The invention further discloses application of the poria cocos water-soluble polysaccharide.

The present application relates to the technical field of seasoning package, in particular to a water-soluble plant source preservative seasoning package and a preparation method thereof, the seasoning package raw materials include drinking water, brewing soy sauce, brewing vinegar, edible salt, pine mushroom seasoning, ginger, cumin, Sichuan pepper, star anise, cassia bark, yeast extract and water-soluble polysaccharide of Inonotus obliquus, the water-soluble polysaccharide of Inonotus obliquus and the water-soluble active ingredients of ginger, cumin, Sichuan pepper, star anise and cassia bark form a synergistic antibacterial system to achieve preservation; in the present application, by introducing water-soluble polysaccharide of Inonotus obliquus, a synergistic antibacterial system is constructed with the water-soluble active ingredients of ginger, cumin, Sichuan pepper, star anise and cassia bark, and on the premise of not adding chemical preservatives, synthetic flavor enhancers and artificial additives throughout the process, the broad-spectrum antibacterial effect of the standard chemical preservatives is realized.

The invention discloses a capsanthin-based composite antioxidant flavor seasoning and a preparation method thereof, and belongs to the technical field of food processing. The seasoning is composed of a capsanthin antioxidant premix and a basic flavor carrier. The premix is prepared by performing multi-layer adsorption and embedding on capsanthin extract vitamin E. The invention further discloses a preparation method of the premix. The oil-soluble capsanthin extract is effectively encapsulated in an internal hydrophobic region through the adsorption of the porous starch and a dual embedding structure, and meanwhile, the water-soluble polysaccharide is successfully loaded in a wall material network, so that efficient embedding of various active substances is realized. A synergistic stable system is constructed, the stability of the capsanthin is remarkably improved, fading and flavor deterioration of the product in the storage process are effectively delayed, and meanwhile the antioxidant activity of the capsanthin is fully utilized. The product is bright and lasting in color, pure in flavor, high in oxidation resistance, simple in preparation process and suitable for industrial production.

Aspects of present disclosure include lyophilized pellets with a longer shelf life, compositions for making lyophilized pellets, and methods for making lyophilized pellets. The lyophilized pellet comprises paramagnetic particles comprising a surface capable of binding to an analyte; a sugar having a glass transition temperature greater than 65° C; or a mixture of two or more sugars, wherein the mixture has a glass transition temperature greater than 65° C; and a water-soluble polysaccharide, wherein the water-soluble polysaccharide has a higher molecular weight and a higher glass transition temperature than the sugar or the mixture of sugars.

The invention relates to the technical field of sewage treatment, and particularly discloses an ecological slow-release carbon source and a preparation method thereof. The ecological slow-release carbon source comprises the following raw materials in parts by weight: 30-50 parts of beewax, 20-40 parts of water-soluble polysaccharide, 5-15 parts of a water-soluble polymer, 3-10 parts of a biodegradable elastomer and 10-20 parts of a porous mineral material. The hydrophilic property and the mechanical property of the slow-release carbon source with the beewax as the slow-release matrix can be improved under the condition that the slow-release characteristic of the slow-release carbon source with the beewax as the slow-release matrix is maintained.

The invention discloses a method for improving the quality of marinated bean curd through a WOW emulsion type controlled-release coagulator, and aims to overcome the defects of rough bean curd gel network and poor water binding capacity caused by too fast release of marinating liquid in the prior art. The method comprises the following steps: respectively preparing a composite inner water phase containing bittern tablets and gluconic acid-lactone, an oil phase containing a hydrophobic emulsifier and a structured outer water phase containing water-soluble polysaccharide; shearing and mixing the inner water phase and the oil phase to prepare a primary W / O emulsion, and homogenizing the primary W / O emulsion and the outer water phase to prepare the W / O / W multiple controlled-release coagulator; and finally, adding into hot soybean milk, standing, incubating, squeezing and forming. According to the preparation method disclosed by the invention, physical isolation of the multiphase emulsion and chemical phase change synergy of the double coagulators are utilized, so that the release rate of magnesium ions is effectively delayed, polysaccharide macromolecules directly participate in gel skeleton construction, a compact and uniform three-dimensional interpenetrating network is formed, the water binding capacity of the bean curd is remarkably improved, the dehydration rate is reduced, and the product is endowed with an excellent texture.

This invention belongs to the field of medicinal chemistry, specifically relating to a polysaccharide component from green plums, its preparation method, and its application. The invention first involves ethanol extraction of green plums (a dual-purpose medicinal and edible variety), separating the ethanol extract and the ethanol-extracted residue. The residue is then subjected to water extraction to remove protein, yielding a water-soluble crude extract. The ethanol extract and the water-soluble crude extract are then separated by macroporous adsorption resin column chromatography using pure water as the eluent, yielding a pure water eluent. The pure water eluent of the water-soluble crude extract is further fractionated and precipitated with alcohol to obtain different water-soluble polysaccharide alcohol-precipitated fractions. The ethanol-extracted polysaccharide component is obtained from the pure water eluent of the ethanol extract. The fractionated and ethanol-extracted polysaccharide components from green plums prepared using the method of this invention can be used to prepare drugs for the prevention and treatment of diabetes and kidney disease, exhibiting high safety and promising development and application prospects.

The invention discloses a co-production method for synchronously preparing high-content polysaccharide and beta-glucan. The co-production method comprises the following steps: (1) mushroom raw material treatment: crushing raw materials for later use; (2) degreasing treatment: adopting a full-closed solvent circulation workstation, and intelligently proportioning dichloromethane to ethanol according to the ratio of 8: 2 (V / V); drying the material slag; (3) weak base protein removal: carrying out gradient heating on the filter residue obtained in the step (2) by using a weak base aqueous solution, and collecting the filter residue; (4) extracting polysaccharide with boiling water, and collecting filtrate; and (5) fractional alcohol precipitation: precipitating under the ethanol concentration of 70-80%, and drying to obtain a high-content water-soluble polysaccharide product. And further increasing the concentration of ethanol in the supernate to 85-95% of ethanol, precipitating and drying to obtain a high-content beta-glucan product. The invention develops a combined extraction process which can efficiently extract mushroom polysaccharide and beta-glucan at the same time, realizes comprehensive utilization of raw materials, reduces the production cost and can effectively retain the biological activity of the mushroom polysaccharide and beta-glucan.

Emulsions for oral and cosmetic formulations free from sorbitan polyoxyethylene ethers esterified with fatty acids, comprising: a) a hydropolyol phase b) an oil phase; c) emulsifying agents; d) at least one water-soluble polysaccharide of plant origin; e) at least one lipophilic or hydrophilic active agent or a plant extract; wherein said hydropolyol phase a) comprises at least water, a polyol and a base the emulsifying agents c) consist of c1) ascorbyl palmitate and c2) at least one sucrose ester of fatty acids These emulsions are characterized by having the dispersed phase consisting of micelles of average size comprised between 90 and 800 nm measured by Dynamic Light Scattering (DLS).

This invention provides a W / O / W type emulsion composition suitable for use as a cosmetic, which has a novel appearance with high aesthetic appeal, and an efficient method for producing the same. [Solution] This is a W / O / W type emulsion composition in which a dispersed phase consisting of a W / O type emulsion is dispersed in a visible linear form within a continuous phase consisting of an aqueous gel containing a water-soluble polymer. Carbomer or water-soluble polysaccharides are preferred as the water-soluble polymer, and the oil phase of the W / O type emulsion preferably contains a water-retaining oil. This O / W type emulsion composition can be obtained by mixing an aqueous gel containing a water-soluble polymer with a W / O type emulsion, and then stirring and mixing it using a rotary mixer equipped with stirring blades at a peripheral speed of 1 to 10 m / s.

The invention provides a sea cubilose composite food and a preparation method thereof, the sea cubilose composite food comprises a sea cubilose extract and cubilose or cubilose powder, and the sea cubilose extract comprises water-soluble polysaccharide dietary fibers extracted from corallina erythraea. According to the technical scheme provided by the invention, the convenient composite food has the nutritional activity of the cubilose and the dietary fiber function of the sea cubilose, and can be eaten only by being brewed with water, so that the health value and the use convenience of the product are remarkably improved.

The invention belongs to biomedical materials, and particularly relates to an antibacterial and anticoagulant coating material for a blood contact material and application of the antibacterial and anticoagulant coating material. The antibacterial and anticoagulant coating material comprises copper tetracarboxyl phenyl porphyrin loaded with an anticoagulant and water-soluble polysaccharide. A coating formed on the basis of the antibacterial and anticoagulant coating material can achieve antibacterial and anticoagulant effects at the same time, for example, the bacteriostasis rate on escherichia coli and the bacteriostasis rate on staphylococcus epidermidis can reach 90%; in addition, the activated part thromboplastin time, prothrombin time and thrombin time of the coating are obviously higher than those of an untreated blood contact material; and the hemolysis rate is lower than 5%.

The invention discloses a green polysaccharide polymer space mud material as well as a preparation method and application thereof, and belongs to the technical field of polymer material preparation. The polysaccharide microsphere comprises the following raw materials in percentage by mass: 1%-30% of water-soluble polysaccharide, 5%-30% of microspheres, 60%-85% of water, 0.05%-20% of a colloid stabilizer and 0%-5% of an auxiliary agent. Natural polysaccharide hydrogel is used as a continuous phase, a colloid stabilizer and microspheres are introduced, fine dispersion and controllable water loss are coordinated, a molecular chain is regulated and controlled, a stable amorphous three-dimensional network structure is constructed, and the structure and performance of the material are optimized; and the green polysaccharide polymer space mud material with the characteristics of lasting water-retaining property, long-acting flexibility, stretchability, high plasticity and biodegradability is successfully prepared. The space mud material is expected to break through the application limitation of the existing space mud material, and shows important value in multiple fields such as children intelligence development, adult emotion regulation, hand function rehabilitation, psychological adjuvant therapy, model preparation, sculpture materials and the like.

The present application relates to the technical field of feed additive composition and its preparation, and discloses a feed additive for regulating intestinal microecology to eliminate antibiotic residues, which comprises schisandra chinensis extract and dandelion extract, and is obtained through a co-preparation process, wherein the process forms a stable synergistic inner core microstructure by in-situ encapsulating lignan components of the schisandra chinensis extract in a water-soluble polysaccharide matrix of the dandelion extract through high-speed shearing emulsification and a synergistic alcohol precipitation step, the present application innovates from the source of the preparation process, avoids pharmacological function antagonism among components caused by conventional physical mixing by using the formed specific microstructure, and provides a material basis for realizing synergistic enhancement of host and flora elimination pathways.

The invention provides preparation of a selenium-water-soluble high-molecular polysaccharide hydrogel and use thereof. The preparation method includes: (1) water solution of polysaccharide and seleno-compound was prepared by heating the mixture with stirring; and (2) the solution was cooled with standing within shaped container to obtain the selenium-polysaccharide composite hydrogel. Plant seeds are sown on the surface of the composite hydrogel and cultivated to obtain selenium-rich plants. Shape-controllable hydrogel could be prepared by recycled hydrogel through high-temperature dissolution followed with cooling to realize the effective utilization of selenium in the hydrogel. Compared with the traditional selenium enrichment method, current method showed advances in prevent of selenium pollution, which normally caused by the application of selenium fertilizers.

[Problem] To provide an anti-obstruction agent for enteral administration catheters that prevents contamination and blockage caused by oxidation of residual administered substances. [Solution] The anti-obstruction agent for enteral administration catheters is a gel-like substance characterized by being a hydrogel using water-soluble polysaccharides and / or water-soluble proteins. To prevent blockage due to oxidative contamination in the enteral administration catheter, the anti-obstruction agent for enteral administration catheters is filled into and retained in the enteral administration catheter to prevent blockage. [Selected Figure] None

The invention provides composite hydrogel as well as a preparation method and application thereof. According to the hydrogel, water-soluble polysaccharide and silk fibroin serve as matrixes, tannic acid is introduced to construct a composite system, and a stable coating can be rapidly formed under the room temperature condition without a chemical cross-linking agent. The hydrogel disclosed by the invention has more obvious effects in the aspects of keeping the appearance color of fruits and vegetables, reducing the browning degree and prolonging the shelf life.

The application provides a polysaccharide extracted from Pu'er tea and application thereof in relieving side effects of chemotherapy, first, removing water-soluble polysaccharides and macromolecular substances such as proteins in the Pu'er tea; second, further treating non-water-soluble residues with a certain amount of amylase to remove starch; then, gradient extraction is adopted to extract acidic polysaccharides; when the different Pu'er tea polysaccharides extracted by ethylenediaminetetraacetic acid solution are tested for immunomodulatory activity, the tea polysaccharides extracted by the ethylenediaminetetraacetic acid solution show a very strong promoting effect on the release of G-CSF factors from cells, the Pu'er tea polysaccharides have a significant effect of relieving granulocytopenia caused by chemotherapy drugs, the effect of relieving granulocytopenia caused by chemotherapy drugs is obvious, and the tea polysaccharides show a significant up-regulation of the expression of SOCS1 protein in the immunoblotting experiment, and the protein can negatively feedback regulate the abnormally activated JAK / STAT signal pathway in diseases such as tumors.