197 results about "Hydrolysed protein" patented technology

The invention concerns a method to treat and / or prevent childhood obesity comprising administering a nutritional composition containing fat, digestible carbohydrates and protein, wherein the protein comprises at least 25 wt. % peptides with a chain length of 25 to 30 amino acids based on dry weight of protein.

The invention provides a preparation method of small molecule peptides of vinasse and application of small molecule peptides of vinasse in skin care products. The preparation method comprises the following steps: S1, carrying out vacuum extrusion, cooling, crushing and sieving on vinasse, the water content of which is 11-22%; S2, carrying out alkali dissolution and acid settlement on the vinasse expanded powder obtained in the S1 to extract vinasse proteins so as to obtain vinasse protein extract; and S3, carrying out hydrolysis on the vinasse protein extract extracted in the S2 with proteolytic enzymes, and carrying out enzyme deactivation, filtration, concentration, freezing and drying to obtain the small molecule peptides of vinasse. By deeply processing the vinasse by adopting a special vacuum expansion technology, the extraction ratio of the vinasse proteins is increased effectively; meanwhile, by adopting the special proteolytic enzymes, the small molecule peptides of vinasse with relatively good moisturizing and repairing functions can be obtained. In addition, the small molecule peptides of vinasse are applied to skin care products, so that the moisturizing and repairing functions of the skin care products are improved while the additional value of the vinasse is increased.

In the method for efficiently extracting endocrine disruptors in a sample of the present invention, the sample to be tested is preliminarily treated by filtering, grinding, homogenizing, ultrasonication, protein precipitation, protein hydrolysis or degreasing to make a sample solution of an aqueous matrix; adjust the pH value of the sample solution, Or add inorganic salts or organic salts to increase the ionic strength of the sample solution to reduce the distribution coefficient of endocrine disruptors in the water phase; use the membrane disc solid phase extraction device to make the sample solution flow continuously or "flow-stop-flow" intermittent Through the activated nylon nanofiber membrane, the endocrine disruptors in the sample are retained by the nylon nanofiber to achieve extraction. The invention synergizes the advantages of solid-phase membrane extraction and nano-adsorption media, and can realize efficient extraction of internally distributed interfering substances in various actual samples with only a few milligrams of nylon nanofiber membrane and hundreds of microliters of elution solvent , The extraction and enrichment process of separation, adsorption, concentration and elution can be completed within a few minutes to ten minutes.

The invention discloses a healthcare agent for pet puppies. The healthcare agent for pet puppies comprises the following ingredients in parts by mass: 5-10 parts of egg micro-capsule powder, 5-15 parts of hydrolyzed wheat protein, 0.5-1.5 parts of vitamin A, 3-10 parts of glucose, 2-5 parts of chicken liver powder, 0.3-1 part of vitamin D3, 15-25 parts of puffed oat flour, 15-25 parts of puffed corn flour, 5-8 parts of vitamin C and 30-50 parts of skimmed milk powder. The healthcare agent for pet puppies of the invention is capable of supplementing nutrients required puppy growth and development, increasing pet appetite, reinforcing body immunity, preventing and treating intestinal inflammation, improving pet physique as well as improving hair quality. The healthcare agent for pet puppies is obvious in effect, safe and free of toxic and side effects.

The invention discloses a method for obtaining pig brain protein hydrolysate and monosialoganglioside (GM1) from fresh pig brain through fractional extraction. The main process routes are as follows: (1) firstly, adding polar organic solvent homogenate fresh pig brain, and respectively collecting a filter cake and filtrate after filtration; (2) adding a certain amount of low-pole organic solvent and purified water in the filtrate from the step (1) for Folch lamination, then respectively carrying out resin column chromatography, hydrolysis and silicagel column chromatography so as to obtain high pure monosialoganglioside; and (3) adding a certain amount of acetone in the filter cake from the step (1) for degrease, filtering and drying, adding salt buffer solution and hydrolase for hydrolysis, and carrying out inacitivation, ultrafiltration purification, ultrafiltration concentration and vacuum freeze drying so as to obtain medical injection-stage pig brain protein hydrolysate.

The invention discloses a health-care agent for old dogs. The health care agent for old dogs consists of the following components in parts by weight: 5-10 parts of egg microcapsule powder, 0.3-1 part of a yucca extract, 5-15 parts of wheat hydrolyzed protein, 0.5-1.5 parts of astragalus membranaceus polysaccharide, 1-2 parts of probiotics, 15-25 parts of puffing oat flour, 10-20 parts of puffing corn flour, 0.5-1.5 parts of vitamin C, 30-40 parts of nonfat dry milk powder, 2-5 parts of chicken liver powder, 3-5 parts of glucose, 2-4 parts of xylooligosaccharide and 3-5 parts of sodium butyrate. According to the health care products disclosed by the invention, the digestion function of intestinal tracts of the old dogs can be improved, the utilization of nutrient substances can be improved, diseases of intestinal tracts can be prevented and treated, the immunity of organisms can be enhanced, and halitosis and the fetor of excrement can be reduced; the health care products are notable in effects, safe and free from toxic and side effects.

The invention discloses a preparation method of wheat protolysate, belonging to the technical field of food processing. The preparation method comprises the following steps: by taking wheat protein as a raw material, mixing slurry, pretreating, neutralizing, adding complex enzyme for enzymatic hydrolysis reaction and deactivating enzyme and spray-drying to obtain a product wheat protolystate. Citric acid is adopted to pretreat wheat protein to have deamidation, the solubility of the wheat protein can be increased, the subsequent protease is favorably close to an enzyme digestion site, the enzyme utilization rate, solubility and enzymolysis speed can be increased. The wheat protolysate prepared by adopting the method is good in solubility, dispensing with obvious bitter taste, the content of small peptide is high, the protein is high digestion rate and easy to absorb, the bioavailability of the wheat protein can be greatly improved; and the preparation technology is simple, the time consumption is short, enzyme investment cost is low, and the preparation method is suitable for industrial production.

The invention discloses a composite attractant of bactrocera dorsalis hendel, which comprises aqueous solution of a molasses, aqueous solution of a complex protein hydrolyzate and a fruit flavor. The mass ratio of the aqueous solution of the molasses to the aqueous solution of the complex protein hydrolyzate is 4:1; the complex protein hydrolyzate is the hydrolysate which is obtained by mixing soy protein and brewer's yeast protein at the weight ratio of 1:1-9, adding 5,000U / g of acidic protease, 0.5-5.0 parts by weight of preservative and 0.01-0.1 part by weight of spinosad, and hydrolyzing at 50 DEG C for 2hours. The formula of the composite attractant of the bactrocera dorsalis hendel is simple, and the raw materials are cheap and easy to obtain. The composite attractant has good effect of attracting the male and female adult bactrocera dorsalis hendel, and particularly, the composite attractant can attract more than 25% of bactrocera dorsalis hendel of 10-11 days old. The raw materials used for preparing the composite attractant do not contain any harmful chemical substances, have no toxic effects on people and animals and meet the environmental protection requirements.

A smallpeptide chelate trace element feed additive comprises, in mass percent, from 18 to 89% of smallpeptide protein, from 10 to 20% of salt and from 0.59 to 62% of inorganic trace element when in a dry state. A production process includes following steps of (1) concentrating protein hydrolysate waste liquor which has the solid content of 5-15% and is generated from production of chondroitin and heparin sodium into protein hydrolysate waste liquor with the solid content of 30-40%; (2) adding prepared single monomial or compounded inorganic trace element solution with the mass percent concentration of 15-35%, controlling a pH (potential of hydrogen) value to be 6-8, and performing chelation reaction; and (3) performing spraying drying at the temperature ranging from 180 DEG C to 220 DEG C. The smallpeptide chelate trace element feed additive and the production process thereof effectively avoid waste liquor pollution generated in a production process of the chondroitin and heparin sodium, and turn waste into wealth, and prepared organic chelate feed additive enables the additional value of the waste liquor to be maximized. Spraying drying technology is adopted for the production process, and the problem that drying time is long and products are easy to be polluted by bacteria in a common method is solved.

The invention provides a preparation method for flat almond oligosaccharide and instant protein hydrolysate powder. The method comprises the following steps: carrying out superfine grinding on degreased flat almond powder, then dispersing the ground flat almond powder in deionized water, adjusting a pH value, adding cellulose and carrying out an enzymolysis reaction; adjusting a pH value, adding pectase, carrying out an enzymolysis reaction, then carrying out enzyme deactivation and filtration with a microfiltration membrane so as to obtain retentate and filtrate, standing the retentate for subsequent usage, and subjecting the filtrate to ultrafiltration and condensation and to spray drying with an atomizer so as to obtain flat almond oligosaccharide; and dispersing the retentate in deionized water, adjusting the pH value of an obtained solution, adding alkaline protease and flavorzyme, carrying out an enzymolysis reaction, adjusting a pH value, adding neutral protease, carrying out an enzymolysis reaction, then carrying out enzyme deactivation and filtration with the microfiltration membrane and subjecting obtained filtrate to ultrafiltration and condensation and to spray drying with the atomizer so as to obtain flat almond protein hydrolysate powder. The method provided in the invention is advantaged in that the advantages of a simple process, low energy consumption and low production cost are obtained, the prepared flat almond protein hydrolysate powder has high protein content and good water solubility and the method is suitable for industrial production.

The invention discloses fish-meat-flavored liquid seasoning as well as a preparation method and use of the fish-meat-flavored liquid seasoning. The preparation method mainly comprises the following steps of sequentially adding fish meat zymolyte, chicken meat zymolyte, xylose, glucose, cysteine, glycine, leucine, spice, plant hydrolyzed protein, a yeast extract, table salt, monosodium glutamate, modified starch, xanthan gum and pure water in a reaction kettle, performing uniform stirring and mixing, performing reaction under the temperature of 95-105 DEG C for 55-75 minutes, and performing continuous stirring in the reaction process; after cooling, adding potassium sorbate and trisodium phosphate dissolving in a little water, performing uniform stirring and performing filling so as to obtain the fish-meat-flavored liquid seasoning. An enzymolysis technology and a Maillard reaction are used, so that fish protein is subjected to enzymolysis to obtain polypeptide and amino acids, and thefish meat is not prominent in freshness and fragrance; and besides, spice is added in an appropriate compounding ratio, so that effective components of the spice dissolve in the seasoning, the utilization rate of the spice is increased, and the effects of the spice can be sufficiently exerted.