21 results about "Guar" patented technology

The present invention relates to the in vitro use of a cationic hydroxyalkyl guar for maintaining or increasing the growth rate of microorganisms, wherein said cationic hydroxyalkyl guar has an average molecular weight of between 2,000 Daltons and 90,000 Daltons.

[Problem] To provide a composition for regulating blood pressure for a healthy person. [Solution] A blood-pressure-regulating composition for a healthy person, said composition being characterized by containing a guar gum degradation product, and being characterized in that: 70 mass% or more of the guar gum degradation product has an average molecular weight within the average molecular weight range of 1.0 × 103 to 1.0 × 105; the composition has a viscosity of 10 mPa·s or less when a 2 mass% aqueous solution at 37°C is measured at 10 rpm using an E-type viscometer, or has a viscosity of 5 mPa·s or less when the aqueous solution is measured at 20 rpm, or has a viscosity of 3 mPa·s or less when the aqueous solution is measured at 30 rpm; the composition is obtained by hydrolyzing a galactomannan polysaccharide which contains guar-derived endosperm and in which the content ratio (galactose:mannose) of galactose and mannose is within the range of 1:1.3 to 1:2, by using a microorganism-derived β-mannanase to reduce the molecular weight of the polysaccharide; and the composition contains at least 70 mass% of dietary fiber in terms of the dietary fiber content stipulated in the enzyme-HPLC method.

The invention discloses a mannase mutant as well as a coding gene and application thereof. The invention provides a mannase mutant which is any one of the following proteins: A1) the amino acid sequence of the protein is obtained by mutating the 38th Gln of the amino acid sequence of wild type mannase as shown in a sequence 3 into Lys, mutating the 224th Asp into Ala and mutating the 272th Ala into Thr, and the amino acid sequence of the protein is obtained by mutating the 38th Gln of the amino acid sequence of wild type mannase as shown in the sequence 3 into Lys, mutating the 224th Asp of the amino acid sequence of wild type mannase as shown in the sequence 3 into Thr; a2) a fusion protein obtained by connecting the N end or / and C end of the protein shown in A1) with a protein tag. The mannase mutant provided by the invention is derived from aspergillus niger, has good enzymatic properties and hydrolysis characteristics, can efficiently hydrolyze guar bean slices under a natural pH value condition to generate mannan oligosaccharide, and has great application potential in the field of food.

The application relates to a quantitative slick water and guar gum fracturing flowback fluid treatment device, which comprises a mixing treatment tank, a conduit and a quantitative control device. The quantitative control device comprises, in sequence, a float, a connecting rod, a driving column and a clamping member, and further comprises a valve member. The clamping member comprises a shell, a fixed block, two clamping claws and a spring member. The driving column is connected to the upper portion of the fixed block. The lower portion of the clamping claw is movably connected to the lower portion of the fixed block through a fixing component. The elastic member is fixedly connected between the middle portions of the two clamping claws. The fixed block can slide up and down in the shell. The clamping claw clamps the valve member when the fixed block descends. The clamping claw releases the valve member when the fixed block ascends. The clamping claw is in a sickle-shaped structure. The upper end and the lower end of the clamping claw are both in arc-shaped structures. The device can realize small flow, large flow and small flow of the treatment liquid, can accurately control the flow of the treatment liquid, and can improve the quantitative flow of the flow.

A composition for improving the color of aqueous suspensions containing guar gum, and methods of making and using the same, are disclosed. The composition comprises guar gum and an ethylenediaminetetraacetic acid monovalent ion salt. Aqueous suspensions formulated with the composition are substantially colorless, allowing for broader application of aqueous suspensions containing guar gum.

The present invention relates to a tile adhesive composition comprising at least one aggregate and a hydraulic binder formulation, wherein the hydraulic binder formulation comprises: - ground granulated blast furnace slag (GGBS), - more than 5% by mass, preferably at most 30% by mass of calcium sulphate, - at most 5% by mass of ordinary Portland cement (OPC), - at most 10% by mass of an alite-containing cement, an alite-containing clinker, calcium aluminate cement (CAC), or a mixture thereof, - at least one complexing and thickening polymer selected from the group consisting of carboxymethyl cellulose (CMC), gum arabic (GA), guar, guar ether, agar, carrageenan, xanthan gum, chitosan, pectin, hyaluronic acid, locust bean gum, superabsorbent polymer (SAP), preferably from the group consisting of CMC and GA, and - at least one rheology modifier such as a cellulose ether different from the complexing and thickening polymer.

The present invention relates to the technical field of petrochemical engineering, and discloses a preparation method and application of a temperature-resistant modified carboxymethyl hydroxypropyl guar gum. In the present invention, carboxymethyl hydroxypropyl guar gum, sodium hydroxide, 2-chloro-4-cashew phenol quaternary ammonium salt-6-phenyl-s-triazine, etc. are reacted to obtain the temperature-resistant modified carboxymethyl hydroxypropyl guar gum. In the present invention, quaternary ammonium salt cations are introduced into carboxymethyl hydroxypropyl guar gum, which can form electrostatic interactions with the carboxylate anions of itself, thereby improving the intermolecular chain interaction force between guar gums, which can play a role in increasing viscosity and improving the apparent viscosity. At the same time, alkyl long chains are introduced, and a physical cross-linked network is formed through hydrophobic association, further improving the apparent viscosity. The temperature-resistant modified carboxymethyl hydroxypropyl guar gum of the present invention has the advantages of high apparent viscosity and good thickening effect, and excellent temperature resistance and shear resistance, and has good practical applications in fracturing fluid thickeners.

This invention provides a shampoo composition comprising a nonionic surfactant and cationic guar gum, wherein the cationic guar gum has a weight-average molecular weight of about 800,000 g / mol to about 5,000,000 g / mol and a charge density of about 0.1 meg / g to about 2.5 meg / g. This shampoo is phase-stable and delivers the desired viscosity for consumer use while still providing the beneficial effects of cleansing, moisturizing, and smoothing hair.

The present invention relates to a method for the production and compositions of healthy herbal soft drinks, intended for use in the food and beverage industry. The established production method incorporates new innovative operations such as: herb analysis through simulated trial production; alternating cold with warm processes; long process in herb extraction; fine filtration for a microbiology-free product; high pressure before dispensing; circulating the beverage to saturate with mineral CO2 for carbonated or liquid nitrogen for non¬ carbonated beverages; high-pressure isobaric filling; and cold pasteurization of the bottled product. The herbal soft drink formulations created have a pleasant taste and aroma and do not include refined sugar and preservatives as they contain all-natural components. The beverages have a refreshing and invigorating effect with health benefits due to the selected fruits and herbs, namely: elderflower, fig leaves, green tea, St John's wort, Mursala tea, guar ana, jasmine and lotus, as well as lemon juice, grape juice and apple juice, fig, peach, pomegranate, black cumin and black carrot.

The utility model relates to the technical field of guar gum filtering, and discloses a liquid guar gum filtering device, which comprises a filter cartridge and a filter cartridge, an end cover is arranged at the top of the filter cartridge, a connecting shaft is rotatably arranged at the top of the end cover, a second bevel gear is fixedly sleeved at the top end of the connecting shaft, a cavity is arranged at the bottom of the filter cartridge, and the second bevel gear is arranged in the cavity. A servo motor is mounted at the top of the filter cartridge; the filter cartridge and the external annular filter screen can be taken out from the guide grooves in the two sides of the inner cavity of the filter cartridge in a sliding manner, and the sleeve can be lifted upwards together with the connecting shaft, so that after the connecting plate moves upwards, preliminary filtered substances in the inner wall of the filter cartridge can be scraped and brought out; and the annular filter screen can scrape and take out filtered matters in the inner cavity of the filter cartridge and the annular filter screen from the inner cavity, so that the filtered matters in the filter cartridge and at the top of the filter screen can be synchronously taken out after being separated from the inner cavity of the filter cartridge.

The present invention relates to a cosmetic composition comprising one or more solid fatty alcohols (a), one or more cationic surfactants (b), one or more amphoteric or zwitterionic surfactants (c), one or more nonionic polysaccharides (d) selected from nonionic guars, and one or more cationic polymers (e). The composition has a total content of anionic surfactant of less than or equal to 2% by weight relative to the total weight thereof. Such a composition can be used to care for keratin fibres, in particular human keratin fibres.

The present disclosure provides use of guar gum, a fluorescence-enhanced gold nanocluster, a method for detecting α-glucosidase (α-Glu), and a method for screening an α-Glu inhibitor, and belongs to the technical field of nanoscale biosensing. The present disclosure provides the use of the guar gum in improving a fluorescence emission intensity of a gold nanocluster. In the present disclosure, the guar gum is a natural high-molecular polymer extracted from seeds of guar, a leguminous plant, and has a low price, no toxicity, and desirable biocompatibility. The guar gum includes galactose and mannose, is rich in hydroxyl groups in a molecular backbone, and can improve a fluorescence emission intensity of the gold nanocluster. On this basis, detection of an α-Glu activity and screening of an α-Glu inhibitor can be realized with a high sensitivity and low cost.

This invention relates to a method for low-temperature decomposition of guar gum-based fracturing fluid using an amino acid-modified Prussian blue-like nanozyme. The invention synthesizes an amino acid-stabilized copper-cobalt-based Prussian blue-like nanozyme using potassium cobalt cyanide as a reactant precursor, amino acids as stabilizers and modifiers, and copper sulfate as a precipitant. Adding this nanozyme and hydrogen peroxide simultaneously to a guar gum aqueous solution enables rapid decomposition and degradation of guar gum even at low temperatures. The advantages of this invention are its simple preparation method, high safety, ease of operation, and suitability for mass production; it exhibits high peroxidase-like activity under neutral and low-temperature conditions, rapidly degrading guar gum aqueous solutions in the presence of hydrogen peroxide; the reaction conditions are mild, requiring minimal equipment investment and offering good reproducibility; guar gum is widely used not only in petroleum but also in food, agriculture, textiles, papermaking, pharmaceuticals, water treatment, and cosmetics, thus this invention has significant value and importance.

The present invention relates to a cationic galactomannan derived from guar gum and having a mannose / galactose molar ratio within the range of 2.5:1 and 5:1, a production process thereof and its performance and use in home and personal care formulations.

The present invention relates to a cosmetic composition, particularly for hair care, comprising specific cationic guar gums and anionic surfactants selected from polyoxyalkylated alkyl(amido)ether carboxylic acids and their salts. The invention also relates to a cosmetic treatment process for keratinous materials, particularly hair, using said composition.

The present invention relates to an anionic galactomannan derived from guar gum and having a mannose / galactose ratio of 2.5:1 and 5:1, a production process thereof and its performance and use in home and personal care or agrochemical formulations.

The invention discloses a heat exchange device and method for guar gum processing. The heat exchange device comprises a base platform, a heat exchange mechanism, a solid material conveying mechanism, a control box, a heating and refrigerating unit, a conveying pump and a liquid supply pump. The heat exchange mechanism is arranged on the right rear portion of the top end of the base platform. The solid material conveying mechanism is arranged at the top end of the base platform and located on the left side of the heat exchange mechanism. The heating and refrigerating unit is installed on the front side of the top end of the base platform. The conveying pump is installed at the top end of the base platform and located on the right side of the heating and refrigerating unit. According to the heat exchange device and method for guar gum processing, efficient and mild heat exchange is achieved through an integrated framework of main heat exchange and auxiliary temperature compensation, the temperature requirements of different processes such as guar gum gelatinization, modification reaction and cooling shaping are met, the local temperature difference problem of traditional jacket heat exchange is avoided, the existing feeding mode is changed, and the production efficiency is improved. And the caking problem in the machining process is effectively solved.

Articles that include from 20 wt-% to 45 wt-% of one or more plant based oils based on the total weight of the article; from 50 wt-% to 70 wt-% of one or more polymer film formers based on the total weight of the article; and from 5 wt-% to 15 wt-% of one or more humectants based on the total weight of the article. Further articles comprises this combination of oil, film former and humectant as a first layer adjacent to which a second layer comprises a mucoadhesive polymer. The articles may be used to prevent formation or maintenance of biofilm in an oral tissue, affect hydration loss in an oral tissue, affect lubricity or lubriciousness in an oral tissue or treat xerostomia or dry mouth. Preferred polymer film formers include pullulan, xanthan gum, HP guar, ethyl cellulose and carrageenan.

The invention relates to hair-growing, hair-blacking and hair loss-preventing shampoo based on natural active ingredients and a preparation method thereof, and belongs to the technical field of shampoo. The hair-growing, hair-blacking and hair-loss-preventing shampoo is prepared from sodium laureth sulfate, cocamidopropyl amine oxide, cocamidopropyl betaine, cocoanut fatty acid diethanolamide, guar hydroxypropyltrimethyl ammonium chloride, a first natural active ingredient, a second natural active ingredient, silicone oil, a humectant, a pH regulator and a chelating agent. The first natural active component is prepared from a cacumen biotae extract, a tilia europaea flower extract, a rumex rugosa root extract and a viburnum przewalskii extract, and the second natural active component is prepared from a lactobacillus / eriodictyon virginiana fermentation product extract and hydrolyzed lupin protein. The hair-growing, hair-blacking and anti-hair loss shampoo can be prepared through a blending process, and the hair-growing, hair-blacking and anti-hair loss shampoo has excellent hair-growing, hair-blacking and anti-hair loss effects.