19 results about "Xyloglucan" patented technology

The invention discloses a method for determining the in-vitro degradation rate of xyloglucan and derivatives thereof, and belongs to the technical field of biological material detection. According to the method, a hydrogen peroxide system is combined with a precipitator method, so that efficient separation of xyloglucan degradation and undegraded substances is realized, and the problem that degradation products are difficult to separate in a traditional method is solved; a hydrogen peroxide remover is introduced, so that the problem of color development distortion caused by oxidation of hydrogen peroxide on phenol by a sulfuric acid method is solved, and the applicability obstacle of a traditional detection method in an oxidation system is solved; the determination method is simple to operate, does not need large expensive equipment, is less in interference, and realizes the unification of detection precision and operation simplicity and convenience. The innovative technology provides a precise regulation and control means for the fields of drug delivery, tissue engineering, wound dressings and the like, and the performance and clinical application value of related products can be remarkably improved.

The invention discloses a high-temperature-resistant composite colloid for gel food as well as a preparation method and application of the high-temperature-resistant composite colloid. The composite colloid comprises thermal reversible gel particles and a composite colloid enhanced network. The gel particles are prepared by compounding modified flaxseed gum and zein and then carrying out centrifugal spray drying, and have good thermal stability and reversible gel characteristics. The composite colloid enhanced network comprises a primary network formed by nanocellulose and sodium alginate, an interpenetrating network formed by chitosan and xyloglucan, and a reversible ion-phenol cross-linked network formed by calcium ions and heat-stable polyphenol. Through the synergistic effect of the triple network structure, the composite colloid is endowed with excellent high temperature resistance, structural stability and self-repairing capability. And the composite colloid can load active components, is fine and smooth in taste and good in water retention, is suitable for food systems such as functional jelly and the like, and has a wide application prospect.

This invention, entitled "Antibacterial Food Packaging Film Containing Propolis Extract, Preparation Method, and Application," belongs to the field of food packaging films. The technical problem to be solved is the poor mechanical properties, antibacterial properties, and antioxidant properties of the packaging film. The antibacterial food packaging film provided by this invention is made from the following raw materials: tamarind gum, pregelatinized starch, glycerin, and propolis extract. Xyloglucan in the tamarind gum is extracted by rapid high-temperature heating, and the propolis extract is integrated into the film-forming solution through simple blending. After drying, the film is obtained. The antibacterial food packaging film prepared by this invention solves the problem of poor mechanical properties in traditional tamarind gum-based packaging films and endows the packaging film with antibacterial and antioxidant functions, which can inhibit food spoilage and thus extend the shelf life of food.

A dietary supplement, as a single-dose oral suspension, comprising lactoferrin, xyloglucan, proanthocyanidins and simethicone as active ingredients, useful in the joint prevention of gastrointestinal and urinary tract infections. The dietary supplement ingredients are stored in a container with a storage closure and in a vial, wherein the storage closure contains a composition in solid powdered form comprising lactoferrin, xyloglucan and cranberry extract, while the vial contains a flavoured simethicone suspension. The composition in solid powdered form of lactoferrin, xyloglucan and cranberry extract in the closure storage cap and the flavored simethicone suspension contained in the vial are mixed in a direct process, just before use, forming a flavored single-dose oral suspension that can be used directly from its container.

The present invention relates to a process for extracting xyloglucan from the primary cell walls of plant cells, and more particularly from dicotyledonous plants. The process according to the present invention comprises, in particular, a relatively limited number of steps and uses chemical compounds with low human and environmental toxicity. Figure 1

Provided is a spreading agent that has high solubility in water and can effectively improve the adhesion of a fertilizer component or an agricultural agent to a plant. The spreading agent contains at least one oligosaccharide selected from the group consisting of chitinous oligosaccharides, fibrous oligosaccharides, and xyloglucan oligosaccharides.

The invention belongs to the technical field of nanoparticles, and particularly relates to water-soluble monodisperse selenium nanoparticles as well as a preparation method and application thereof. The water-soluble monodisperse selenium nano-particles have spherical structures and comprise selenium nano-particles and polysaccharide coated on the surfaces of the selenium nano-particles; the polysaccharide is one of oxidized xyloglucan and xyloglucan. Xyloglucan is extracted from tamarind fruits, oxidized xyloglucan is obtained by oxidizing xyloglucan, the selenium nanoparticles are coated with oxidized xyloglucan or a xyloglucan solution as a soft template, a selenium source and a reducing agent are used as raw materials, a one-pot oxidation-reduction reaction is carried out, and the selenium nanoparticles are obtained through the processes of centrifugation, washing, freeze-drying and the like. The prepared oxidized xyloglucan / xyloglucan selenium nanoparticles have the advantages of small particle size, dispersion stability, uniform morphology and the like, and have great potential in the fields of nano-selenium supplements, wound repair, immunoregulation, anti-tumor treatment and the like.

The invention belongs to the field of biological materials and tissue engineering, and provides a preparation method and application of a multistage bionic periosteum capable of regulating and controlling an osteogenesis microenvironment, oxidized xyloglucan is dissolved in water, BMP2 is added for mixing reaction, and an OXG-BMP2 solution is obtained; the preparation method comprises the following steps: adding an OXG-BMP2 solution into dichloromethane, dropwise adding an emulsifier, and stirring to obtain an emulsion containing OXG-BMP2 microparticles; adding L-polylactic acid and N, N-dimethylformamide into the emulsion containing the OXG-BMP2 microparticles, and obtaining a core-shell structure spun yarn by using an electrostatic spinning technology; the method comprises the following steps: mixing TA-Ce nano-enzyme into I-type rat tail collagen, uniformly mixing, dropwise adding into core-shell structure spinning, and incubating to complete self-assembly of the bionic periosteum, thereby obtaining the multi-stage bionic periosteum capable of regulating and controlling the osteogenesis microenvironment. The multi-stage bionic periosteum can regulate and control the osteogenesis microenvironment and sequentially promote osteogenesis, and has great application prospects in the aspects of bone injury repair and the like.

To provide a gel cleaning agent having excellent transparency, hardness, syneresis properties, and usability, as well as a method for producing the gel cleaning agent having excellent production suitability.SOLUTION: Provided is a gel cleaning agent comprising (A) 0.8 mass% to 4.5 mass% of xyloglucan, (B) 7.5 mass% to 22.5 mass% of sodium lauroyl methylalanine, (C) 22.5 mass% to 37.5 mass% of polyhydric alcohol, and (D) 30 mass% to 35 mass% of water; wherein the polyhydric alcohol (C) comprises glycerin, the amount of glycerin in the polyhydric alcohol being 80 mass% or more, and wherein the gel cleaning agent has a hardness at 25°C of 300 or more as measured by a rheometer.SELECTED DRAWING: None

The present application relates to the technical field of non-woven fabrics, and particularly relates to a composite non-woven fabric containing plant cell wall components and plant extract interlayer and a preparation method thereof. The method comprises the following steps: subjecting high mountain fireweed callus cell culture to enzymatic treatment and high-pressure homogenization to break the wall and separate homologous plant extract and plant cell wall microparticles; subjecting the plant cell wall microparticles and the plant extract to phytate-multivalent metal limited fixation to obtain a plant cell wall microparticle dispersion; mixing the plant cell wall microparticle dispersion with part of a galactosylated xyloglucan solution, a skin care active ingredient and a polyhydric alcohol to prepare a plant functional interlayer slurry, and sandwiching the plant functional interlayer slurry between two layers of non-woven fabric, and drying to obtain a composite non-woven fabric. The present application can improve the retention rate of plant active ingredients in the interlayer of the non-woven fabric, reduce the shedding of the interlayer microparticles, and improve the antioxidant retention and water retention performance of the composite non-woven fabric.

The invention relates to a detergent composition with reduced optical brightener content.

The invention relates to temperature / sugar responsive hydrogel as well as a preparation method and application thereof. The hydrogel is formed by crosslinking a zwitterionic polymer, modified xyloglucan (mXG) and polyvinyl alcohol (PVA), wherein the zwitterionic polymer contains a phenylboronic acid side group, specifically, an acrylamide propyl sulfobetaine-3-acrylamide phenylboronic acid copolymer p (SBAA-co-AAPBA) or a methacryloylethyl sulfobetaine-3-acrylamide phenylboronic acid copolymer p (SBMA-co-AAPBA), and the zwitterionic polymer is matched with other components to form the temperature / sugar dual-response characteristic of the hydrogel, so that the temperature / sugar dual-response property of the hydrogel is improved, and the temperature / sugar dual-response property of the hydrogel is improved. The polymer has a thermo-sensitive mXG network formed due to LCST characteristics and a D-sorbitol responsive zwitterionic polymer-PVA network crosslinked by phenylboronic acid ester bonds.

The invention relates to the field of molecular biology, and particularly discloses a novel non-enzyme activity dependent type plant immune activator protein NfXYG1 mutant E133A and an application of the novel non-enzyme activity dependent type plant immune activator protein NfXYG1 mutant E133A. According to the NfXYG1 mutant E133A, the 133 catalytic key glutamic acid residue is replaced with alanine by adopting a site-specific mutagenesis method, and the amino acid sequence of the NfXYG1 mutant E133A is shown as SEQ ID NO.1. The NfXYG1 mutant E133A can still efficiently activate a plant immune pathway and induce broad-spectrum disease resistance while losing xyloglucan hydrolytic activity. The mutant provided by the invention retains a high protein expression quantity similar to that of a wild type, and has a unique non-enzymatic activity immune activation mechanism. Tests prove that the mutant can induce a tobacco necrosis reaction and has a remarkable effect on prevention and treatment of rice blast.

The present invention relates to a combination comprising cellulose, xyloglucan and pectin in effective amount for use in preventing or treating an inflammatory condition and / or disease in a young individual, preferably in infant during weaning period. The present invention further relates to compositions and methods for preventing or treating an inflammatory condition and / or disease in a young individual, preferably in an infant during weaning period.

Provided are methods for treating urogenital health conditions of a female subject. In some aspects, the methods comprise administering a composition comprising one or more oligosaccharides that are derived from one or more materials comprising at least one of galactomannan, β-glucan, homo-xylan, glucuronoxylan, glucuronoarabinoxylan, arabinoxylan, arabinan, arabinogalactan, xyloglucan, microbial curdlan, glucomannan, pectic galactan, a moringa plant or part thereof, a Cucurbita species plant or part thereof, spent distillers' grains, gellan gum, xanthan gum, legumes, soy, pea, sugar cane, or any combination thereof. In some aspects the methods comprise administering one or more oligosaccharides each of which independently contains 3 to 30 subunits and wherein at least 5% of the subunits comprise a beta-1,3 glucose residue, a beta-1,4 glucose residue, or a combination thereof.

The invention relates to the field of biomedical polymer materials, in particular to light-cured xyloglucan hydrogel as well as a preparation method and application thereof. Methacrylic anhydride and xyloglucan react to obtain methallyl esterified xyloglucan, carbon-carbon double bonds are successfully modified on xyloglucan, so that the xyloglucan has photosensitivity, then free radical polymerization is initiated by ultraviolet light to form the photocured xyloglucan hydrogel, and the mechanical property and the stability of the xyloglucan hydrogel are improved. The photocuring xyloglucan pregel solution prepared by the method has good injectability, can be directly delivered to a target site, and is beneficial to filling irregular-shaped and deep wounds. The light-cured xyloglucan pre-gel solution prepared by the invention can generate light-cured xyloglucan hydrogel microspheres, and the porous microsphere structure imitating the extracellular matrix is suitable for drug loading, cell culture scaffolds and tissue engineering construction, so that the application scene of the xyloglucan hydrogel is effectively expanded.

Provided is a gel cleaning agent comprising (A) 0.8% by mass to 4.5% by mass of xyloglucan, (B) 7.5% by mass to 22.5% by mass of sodium lauroyl methylalanine, (C) 40% by mass to 50% by mass of polyhydric alcohol, and (D) 30% by mass to 35% by mass of water; wherein the polyhydric alcohol (C) comprises glycerin, and the amount of glycerin in the polyhydric alcohol is 80% by mass or more, and wherein the gel cleaning agent has a hardness at 25° C. of 300 or more as measured by a rheometer.

The application discloses a xyloglucanase NfXYG12A with plant immune activity, a mutant and application thereof. The xyloglucanase NfXYG12A disclosed by the application is a protein shown in positions 94-313 of SEQ ID NO. 1, and the mutant is a protein shown in positions 94-313 of SEQ ID NO. 3, positions 94-313 of SEQ ID NO. 5 and positions 94-313 of SEQ ID NO. 7. Experiments prove that the NfXYG12A of the application is a high-temperature acid xyloglucanase, the enzyme has excellent pH stability and catalytic activity, and can be used as a plant immune elicitor, and has high application value in enhancing plant immunity. The NfXYG12A of the application has wide application prospect.