1209 results about "Carbohydrate" patented technology

The invention relates to the field of enzyme engineering, in particular to modified xylanase, a DNA (deoxyribonucleic acid) molecule, a recombinant plasmid and a transfected cell. The modified xylanase protected by the application is formed by replacing a deletion segment of a receptor enzyme with a substitution segment, the receptor enzyme is wild type xylanase, the sequence of the receptor enzyme is SEQ ID NO: 1, the deletion segment comprises a carbohydrate binding module of the receptor enzyme, the substitution segment is a carbohydrate binding module of a donor enzyme, the donor enzyme is a carbohydrate active enzyme, and the donor enzyme is a carbohydrate active enzyme. The sequence of the donor enzyme is one of SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4 and SEQ ID NO: 5. The carbohydrate binding module of the carbohydrate active enzyme with relatively high activity is replaced into the receptor enzyme, so that the binding capacity of the receptor enzyme and the carbohydrate is improved, and the activity of the receptor enzyme is improved.

The invention discloses a method for regulating the length-diameter ratio of calcium sulfate hemihydrate whiskers prepared from ardealite, and belongs to the field of ardealite resource utilization. According to the invention, carbohydrates, alcohols and other substances containing hydroxyl groups are used as the crystal modifier, and the calcium sulfate hemihydrate whisker is prepared by regulating and controlling phosphogypsum through a normal-pressure hydrothermal method, so that the length-diameter ratio of the whisker is regulated and controlled within a certain range. The method solves the problems that the length-diameter ratio of the whisker in the calcium sulfate hemihydrate whisker product prepared from ardealite is not uniform and cannot be regulated and controlled, the preparation process is tedious, the corrosivity is strong due to excessive salt solution in the reaction system, and the waste liquid has great harm to the environment, and has a good application prospect.

The invention provides a food composition and application thereof in promoting development of intestinal tract glycocalyx layers. The food composition comprises protein, fat, carbohydrate and dietary fiber, and further comprises lactose-N-neotetraose and 3 '-sialic acid lactose, and the ratio of the lactose-N-neotetraose to the 3'-sialic acid lactose is (1: 1)-(3: 1) by weight. In the food composition disclosed by the invention, the lactose-N-neotetraose and the 3 '-sialic acid lactose can be used for up-regulating the transcriptional level of genes, such as has1, has2 and has3, related to the development of the intestinal glycocalyx and the transcriptional level of ext2, so that the development of the intestinal glycocalyx is synergistically promoted.

A method for the manufacture of an oat peptide isolate, the oat peptide isolate comprising at least 80% w / w peptides, and less than 0.1% w / w total soluble fibre. The method comprises combining an oat protein concentrate having a protein concentration of at least 40% w / w with an enzyme capable of facilitating carbohydrate hydrolysis, removing the sugar fraction, and combining with an enzyme capable of peptide formation.

The invention discloses a method for detecting organic carbon components in soil based on gas chromatography-mass spectrometry, and particularly relates to the technical field of soil detection. The method comprises the following steps: pretreating fresh soil to obtain a fresh soil sample and an air-dried soil sample, respectively extracting organic carbon components to obtain a DOC extracting solution and an LOC extracting solution, and sequentially and respectively carrying out purification treatment, concentration treatment and derivatization on the DOC extracting solution and the LOC extracting solution to obtain a DOC to-be-detected solution and an LOC to-be-detected solution; respectively detecting the DOC to-be-detected liquid and the LOC to-be-detected liquid in a GC-MS instrument to obtain a total ion flow chromatogram, and carrying out qualitative and quantitative analysis to obtain organic carbon component data. Through step-by-step extraction, selective derivatization and GC-MS accurate analysis, molecular level separation, identification and quantification of water-soluble organic carbon DOC and oxidizable organic carbon LOC in soil are achieved, the method is particularly suitable for evaluating contribution of carbohydrate, amino acid and organic acid to the carbon turnover rate, and the method is good in selectivity and high in sensitivity.

The invention belongs to the technical field of food, and particularly relates to a high-satiety liquid protein composition as well as a preparation method and application thereof. The high-satiety liquid protein composition is characterized by being prepared from the following raw materials in parts by weight: 800 to 1000 parts of protein, 110 to 160 parts of vegetable oil, 700 to 800 parts of carbohydrate, 120 to 150 parts of dietary fiber, 5 to 15 parts of vitamin, 1 to 8 parts of mineral substance, 35 to 40 parts of emulsifier, 12 to 15 parts of stabilizer, 17 to 20 parts of pH regulator and 5 to 10 parts of essence. Under the comprehensive action of all the components, the liquid protein composition can keep the milk state stable, fat components are not subjected to lactation separation, protein components are not subjected to sedimentation and layering, the macroscopic state is stable, and nutrients in the product are uniformly distributed.

The invention discloses a feed for improving earthworm breeding yield and a preparation method thereof, and belongs to the technical field of earthworm breeding, the feed comprises the following components: 30-50 parts of fermented livestock and poultry manure, 20-30 parts of crop straw, 10-20 parts of soybean curb residue, 10-15 parts of corn flour, 5-10 parts of wheat bran, 3-5 parts of bone meal, 2-4 parts of shell powder, 0.5-1 part of a microbial agent, 1-2 parts of brown sugar, and a proper amount of water. The fermented livestock and poultry manure is rich in various mineral elements and organic nutrients such as nitrogen, phosphorus and potassium, and is an important source of nutrients required by earthworm growth; the crop straws are rich in cellulose and can promote intestinal peristalsis of the earthworms and help digestion; the soybean curb residues, the corn flour and the wheat bran are rich in nutritional ingredients such as protein and carbohydrate, and sufficient energy is provided for the earthworms; the bone meal and the shell powder contain a large amount of mineral substances such as calcium and phosphorus, so that the development of bones and bodies of the earthworms is facilitated; the microbial agent can regulate microbial flora in the feed and promote the absorption and utilization of the earthworms to nutrient substances.

The invention provides a method for efficiently purifying lignin by using a composite alkali system, and relates to the technical field of lignin extraction and purification, wood fiber biomass is used as a raw material, KOH / thiourea composite alkali liquor with a specific mass ratio is adopted, and directional dissociation reaction is carried out under the conditions that the solid-to-liquid ratio is 1: (5-15), the temperature is 60-150 DEG C and inert gas protection is adopted; and after the reaction is ended, through a gradient acidification process (controlling the pH to be 10-12 and the pH to be 3-5 in stages) and by combining centrifugal filtration and water washing, ash content and carbohydrate residues are remarkably reduced, and high-quality lignin with the purity being greater than or equal to 91.16% is obtained. The method solves the problems of low purity and high impurity residue in the traditional process, and provides core raw material guarantee for lignin-based capacitor carbon.

The invention relates to a particulate composition comprising, or substantially consisting of, urea, an inhibitor, preferably a urease inhibitor and / or a nitrification inhibitor, and an additive, wherein the additive comprises components (i), (ii), and optionally (iii): (i) one or more polyhydric alcohols; preferably one or more carbohydrates, preferably selected from monosaccharides, disaccharides, and oligosaccharides; (ii) a first polymer, preferably an amine-containing polymer; more preferably a polyvinylamine or a polyalkyleneimine; and (ii) optionally, a second polymer, preferably a polar polymer; more preferably a water-soluble polar polymer. The invention further relates to a process for producing the particulate composition, an additive for a particulate composition, and the use of the particulate composition as a fertilizer.

The invention provides a preparation method, application and composition of oat polypeptide, and relates to the technical field of cosmetics. The preparation method disclosed by the invention comprises the following steps: (1) moistening and swelling oat, drying after steam explosion treatment, and adding pectinase, cellulase and amylase to carry out carbohydrate enzymolysis, so as to obtain oat residues after enzymolysis; (2) adding compound protease into the oat residues subjected to enzymolysis, and carrying out primary proteolysis under the condition that the addition amount of ethanol with the volume concentration of 3-8%, so as to obtain enzymolysis slurry A; the compound protease comprises papain, bromelain and flavourzyme in a mass ratio of (3-6): (3-6): 2; (3) adding trypsin into the enzymolysis serous fluid A to carry out secondary proteolysis to obtain enzymolysis serous fluid B; and (4) carrying out ultrafiltration on the enzymolysis slurry B to obtain the oat polypeptide. The obtained oat polypeptide is small in molecular weight and high in content, is used for preparing cosmetics, and has remarkable effects of preserving moisture, resisting wrinkles and reducing skin roughness.

The present disclosure relates to low density, high protein, grain-based ready-to-eat food pieces, compositions including such food pieces, and methods of making such food pieces. The pieces include a grain flour in an amount of about 28% to about 55% by dry weight, about 28% to about 40% by dry weight protein, where at least a portion of the protein ingredients include a protein with a PDCAAS greater of at least 60%, such as pea protein, fava bean protein, or soybean protein, and about 10% to about 35% by dry weight low DE carbohydrate.

Disclosed herein are apparatuses and methods that can provide a delayed bolus calculator for use in closed loop diabetes therapy that can account for additional factors not taken into account in regular meal bolus calculations when a user wants to deliver a meal bolus a period of time after a meal was consumed. A delayed bolus calculator can enable the user to enter a period of time since the meal was consumed in addition to the number of carbohydrates consumed in a meal. This enables the system to account for the amount of increased insulin from the closed loop algorithm in response to the meal and / or the time since the meal to ensure that the risk of hypoglycemia is mitigated while still reducing hyperglycemia.

The present invention relates to the technical field of feeds and particularly relates to a piglet weaning transition feed containing lactic acid bacteria and saccharomycetes compound fermented soybean meal and a preparation method thereof, and the piglet weaning transition feed comprises the following components in parts by weight: 15-20 parts of compound fermented soybean meal, 45-50 parts of corn, 10-15 parts of wheat, 5-7 parts of fish meal, 3-5 parts of whey powder, 3-4 parts of vegetable oil, 1-2 parts of an amino acid supplement and 2-3 parts of a mineral premix, 1-2 parts of a vitamin premix and 1.5-2 parts of a calcium-phosphorus supplement; wherein the compound fermented soybean meal is prepared by performing compound fermentation on soybean meal through lactic acid bacteria and saccharomycetes, and a complementary and symbiotic microbial ecological system is formed by carefully selecting and optimizing the combination proportion of three lactic acid bacteria and two saccharomycetes, so that the fermentation efficiency and stability are improved, and the functionality of a fermentation product is enhanced. Different strains complement each other in the aspects of carbohydrate metabolism, pH tolerance and functional characteristics, and nutrition competition is reduced.

The invention discloses a method for producing D-pantoic acid by immobilizing D-pantoic acid lactone hydrolase fusion protein, and belongs to the technical field of biology. The insoluble seed pumpkin acidic polysaccharide PPFS3 is extracted from an agricultural waste, namely seed pumpkin pulp, meanwhile, a fusion protein constructed by connecting a carbohydrate binding module and D-pantoic acid lactone hydrolase is provided, and the fusion protein and the seed pumpkin acidic polysaccharide PPFS3 have specific binding capacity; a simple, convenient and low-cost immobilized enzyme and recombinant protein purification method can be established. The formed immobilized fusion protein can be used for efficient and continuous production of D-pantoic acid.

Various processes for the pyrolysis of carbohydrates to prepare products such as glycolaldehyde are described. Also, various catalysts and processes for preparing catalysts useful for carbohydrate pyrolysis are described.

The invention belongs to the technical field of microorganisms, discloses a strain of pseudomonas putida and application of the strain of pseudomonas putida as fish probiotics, and particularly discloses a strain of pseudomonas putida. The invention provides a symbiotic pseudomonas putida CD separated from fish, and the strain has relatively strong fat utilization capability, can generate a plurality of beneficial extracellular metabolites, can promote metabolism of fish lipids, carbohydrates and proteins and weight gain, and also can improve the iron content and hemoglobin content in fish tissues. The pseudomonas putida strain CD disclosed by the invention has good biological safety, and has a wide development prospect in the aspect of application as fish probiotics.

The present invention relates to a composition in the form of a water-in-oil emulsion, including, (a) one or more esters formed from at least one fatty acid having more than 13 carbon atoms; (b) a polymer component including one or more polymerized (iso)butenes; (c) at least about 3% by weight of one or more carbohydrate fatty acid ester emulsifiers; (d) one or more fillers comprising hydrophobic silica; and (e) one or more pigments. The composition is substantially free of silicones & alkanes.

The invention discloses a method for detecting an intermediate acetylglucose of tetraacetyl by an HPLC-CAD (High Performance Liquid Chromatography-Computer Aided Design) method. The method comprises the following steps: (1) preparing a reference substance solution, namely dissolving acetylglucose by adding a diluent, and diluting to prepare the reference substance solution; (2) preparation of a test solution: taking tetraacetyl, adding a diluent solvent, and diluting to prepare the test solution; and (3) detecting the content of acetyl glucose in the test sample by adopting an HPLC-CAD (High Performance Liquid Chromatography-Computer Aided Design) method, and taking octadecylsilane chemically bonded silica as a filler in an adopted chromatographic column. According to the method disclosed by the invention, the intermediate acetyl glucose of the tetraacetyl substance is detected based on an HPLC-CAD (High Performance Liquid Chromatography-Computer Aided Design) method, and CAD parameters, a chromatographic column, a mobile phase, a diluent and a sample concentration are selected, so that the aims of effectively separating and accurately detecting the acetyl glucose in the sample can be fulfilled; the method has the advantages of simplicity, sensitivity, high accuracy, high repeatability, high specificity, good durability, high precision and the like, and has certain guiding significance on carbohydrate compound detection.

The disclosure provides methods for preparation of carbohydrate replacement therapies (CRT) that include nanocarriers of carbohydrates and glycolipids for pharmaceutical delivery to cell interior, endoplasmic reticulum, and Golgi for treating CDG type I and CDG type II diseases as well as other metabolic disorders.

The invention provides a microbial agent for producing acid through fermentation of organic waste and application of the microbial agent, and relates to the technical field of biology, the microbial agent contains Acetobacter xylinum, Clostridium bovifaecis and Eubacter mucilaginosus, and the microbial agent is prepared from the following raw materials: Acetobacter xylinum, Clostridium bovifaecis and Eubacter mucilaginosus. Studies find that acetobacter burgii, clostridium cow dung and eubacterium mucilaginosus complement each other in the anaerobic fermentation process, the degradation efficiency of organic matters such as carbohydrates and proteins in the organic wastewater / perishable garbage is improved, the yield of volatile fatty acids is remarkably increased, meanwhile, the emission of CO2 is reduced, and the environmental pollution is reduced. The method has the application prospects of organic wastewater / perishable garbage treatment and recycling. When the acid-producing bacterium agent is applied to organic wastewater / perishable garbage, the fermented mixed acid liquid is rich in VFA and can be used as an organic carbon source, and the additional value is higher; when the acid-producing bacterium agent is applied to organic wastewater / perishable garbage, the operation is simple and convenient, the cost is low, biogas slurry treatment links and cost are reduced, the added value of products can be improved, and the acid-producing bacterium agent has an engineering application prospect.

A nutritional composition comprising digestible carbohydrates, protein and lipid, wherein the lipid is in the form of lipid globules which are at least partly coated on the surface with phospholipids, for increasing myelination in the brain of an infant who has delayed brain development or is at risk of having delayed brain development.

The invention relates to an industrial production method of piperacillin and tazobactam powder, which comprises the following steps: 1) preparing a mixed solution of piperacillin or pharmaceutically acceptable salts thereof and tazobactam or pharmaceutically acceptable salts thereof, and maintaining the pH value at 6.0-7.5; (2) a stabilizer is added into the solution obtained in the step (1), a mixed solution is obtained, and the stabilizer is selected from one or more of carbohydrate, amino acid and polyhydric alcohols; and 3) carrying out spray drying on the mixed solution obtained in the step 2) to obtain the piperacillin tazobactam spray-dried powder.

The invention discloses lactobacillus plantarum LSR-22 and application thereof in preparation of silage, the biological preservation number of the lactobacillus plantarum LSR-22 is CCTCC M 20242927, the lactobacillus plantarum LSR-22 is used for preparing ruminant silage, the lactobacillus plantarum LSR-22 is inoculated and added into a mixed silage raw material, the water content of the silage raw material is adjusted to a preset value, and the silage raw material is sealed and packaged. And fermenting in a dark place for 45-70 days to prepare the silage. When the strain is used for fermenting the silage, the contents of dry matters and crude proteins can be remarkably increased, water-soluble carbohydrates are increased, and the fiber content is reduced, so that the nutritional value and digestibility of the silage are improved, the content of ammoniacal nitrogen can be reduced, the content of lactic acid can be increased, and the fermentation quality of the silage is further improved.

The invention discloses a sugarcane polyphenol and mulberry leaf extract compound raw material and application thereof.The sugarcane polyphenol and mulberry leaf extract compound raw material comprises sugarcane polyphenol and mulberry leaf extract, the polyphenol content of the sugarcane polyphenol is larger than or equal to 20%, the DNJ content of the mulberry leaf extract is larger than or equal to 10%, and the concentration of the polyphenol and the DNJ is 0.1-2% after the sugarcane polyphenol and the mulberry leaf extract are compounded; by compounding the sugarcane polyphenol and the mulberry leaf extract, the active and passive transfer effects of glucose in small intestines are effectively blocked, so that the rate of the glucose entering blood is controlled, the blood glucose reaction after carbohydrate food is eaten is reduced, the decomposition and absorption of the intestinal tract to carbohydrates such as starch and disaccharide are delayed, the postprandial blood sugar is stabilized, and the blood sugar content is reduced. By reasonably adjusting the concentration of polyphenols and DNJ in the compound extract to be 0.1-2%, the combination of blocking and dredging can be realized, a synergistic effect is generated, more comprehensive and more stable management of blood sugar is realized, and meanwhile, natural crops are adopted, so that the product quality safety is ensured.

The present disclosure provides a method of promoting respiratory burst in a subject with type 2 diabetic, comprising orally administering an effective amount of fermented papaya preparation (FFP) with carbohydrate, protein lipid, potassium, and water.

The invention relates to the field of foods, and particularly discloses a micromolecule peptide-based nutritional food for preventing muscle attenuation for the elderly and a preparation method of the micromolecule peptide-based nutritional food. Comprising the following components in parts by weight: 23-50 parts of protein, 35-60 parts of carbohydrate, 4-9 parts of fat, 1-10 parts of dietary fibers, 0.5-1.2 parts of mineral elements, 0.1-1.0 part of vitamins, 0.2-1 part of dietary essence and 1-6 parts of new resource food. The small molecule peptide (containing collagen peptide) and the whey protein (containing branched chain amino acid) are combined to improve muscle quality through double ways of promoting synthesis and inhibiting decomposition, the effect is better than that of a single peptide component, and vitamin D3, magnesium element (Mg) and fructo-oligosaccharide are supplemented to act on muscle contraction, energy metabolism and intestinal tract-muscle axis links respectively, so that the muscle quality is improved. A systematic intervention scheme is formed, and the raw materials required by the preparation of the related small molecule peptide-based muscle attenuation-preventing nutritional food for the elderly are wide in source and relatively low in cost.

The purpose of the present invention is to enable prescription of a gelled nutritional composition to which stricter sterilization conditions can be applied. This gelled nutritional composition contains a protein, a carbohydrate, a mineral, and a gelling agent, and has a viscosity of 6,500-18,000 mPa·s. The protein contains a collagen peptide together with a protein selected from the group consisting of milk-derived proteins and plant-derived proteins, whereby aggregation can be suppressed even under stricter sterilization conditions.

The invention belongs to the technical field of biology, and particularly relates to bifidobacterium longum subsp.infantis FMBL B250020GXY for metabolizing breast milk oligosaccharide and application of the bifidobacterium longum subsp.infantis FMBL B250020GXY, the bifidobacterium longum subsp.infantis FMBL B250020GXY is preserved in China Center for Type Culture Collection on September 1, 2025, and the preservation number is CCTCC M 20251931; three kinds of breast milk oligosaccharides, namely 2 '-fucosyllactose (2'-FL), lactose-N-neotetraose (LNnT) and lactose-N-tetraose (LNT), can be metabolized; plant source carbohydrates such as fructo-oligosaccharide and synanthrin can be metabolized; the compound has a relatively strong capability of removing DPPH and ABTS free radicals; a good inhibition effect is achieved on common pathogenic bacteria; good tolerance to acid and cholate is achieved; the strain is sensitive to gentamicin, streptomycin, tetracycline, chloramphenicol and vancomycin; the compound can be used for preparing antioxidant products, medicines for inhibiting pathogenic bacteria, infant foods and fermented foods, and has a wide application prospect.

Porous carbon materials, templated materials, and methods of making same. In various examples, a porous carbon material comprises a surface area of about 3500 m2 / g to about 4800 m2 / g and / or a plurality of micropores and a plurality of mesopores. In various examples, a templated material (e.g., silicon nanoparticles) comprises a carbonaceous material disposed on a templating substrate, where the carbonaceous material comprises rim-based pentagons and / or radical specie(s) and / or carbon cylinders. In various examples, a method of making a porous carbon material comprises contacting carbon precursor(s) (e.g., carbohydrate(s), which may be water soluble) and templating substrate(s) under hypergolic conditions, where a templated material is formed; removing the templating substrate(s); activating the resulting material; and carbonizing the activated material. In various examples, a porous carbon material or materials is / are used in a filtration, a catalytic, or a carbon capture and / or sequestration application or method.

The present invention discloses a method for preparing furfural, which includes: under the action of a heteropolyacid-based phase transfer catalyst, an intramolecular dehydration reaction occurs for xylose-based carbohydrates in a ternary two-phase reaction medium composed of a low-boiling organic solvent, a protic solvent, and an ionic organic ammonium chloride. The catalyst used in the present invention has the property of phase transfer, that is, its solubility in the reaction medium increases at high temperature, and it catalyzes the dehydration of xylose in the form of a liquid acid; after the reaction, the solubility decreases and it precipitates in the form of a solid, which is convenient for the recovery and separation of the catalyst, and largely solves the problems of low efficiency of solid acid catalysts and difficult separation of liquid acid catalysts. And an advanced reaction medium is coupled to increase the solubility of xylose-based carbohydrates and the solvation effect on xylose. Through the optimization of the catalyst and the reaction medium, the reaction performance of the reaction system is effectively improved.