34 results about "Gelatin hydrolysate" patented technology

The invention relates to a biological agent against crucifer club root and application thereof, belonging to the technical field of bio-pesticide. The strain for production is Bacillus subtilis XF-1, whose preserving number is CGMCC NO.2357. The stain has the characteristics as follows: (1) the primary colony on the LB culture substrate is white and round having a wet surface; the later colony is light yellow having uneven edge with dry and crimple surface; observed from the microscope, the strain is short-bar shaped and movable with spore, peritricha and dimension of 0.7 - 0.8 * 2.0-2.4 mum; (2) the strain is Gram-positive and aerobic and makes use of glycogen, sugar, citrate, gelatin hydrolysate, starch and casein, but does not make use of cellulose, tyrosine and catalase positive; (3) the stain has the function of sterilization, disease prevention, and yield improvement. The embodiment of the invention is as follows: using the test tube of Bacillus subtilis XF-1 stain, shake cultivation, and culture solution for fermentation to prepare biological agent, then applying the biological agent to the rhizosphere soil of crucifer crops, thereby having good effect in preventing and treating, and simple production.

The invention provides a modified membrane fabric and a preparation method and application of the modified membrane fabric. The surface of the modified membrane fabric is coated with a polymer or polymer dispersion, and the polymer in the polymer or polymer dispersion may be polysaccharide, polypeptide and protein, may be an artificial polymerized polymer or may be a modified natural high polymer material or a mixture thereof, including but not limited to one or more selected from the group consisting of gelatins (such as gelatin and gelatin hydrolysate), cellulose ethers (e.g., carboxymethyl cellulose and hydroxyethyl methyl cellulose), modified starches (e.g., pullulan and hydroxypropyl starch), PVP, PVA, hyaluronic acids, albumin, chitosan, dextran, Arabic gum, xanthan gum, carrageenan, pectin, konjac gum, agar, Carbomer, carrageenin, polyvinylpyrrolidone, polyacrylamide, polyacrylate and polyacrylic acid and its derivatives. When the modified membrane fabric comes across water in use, the polymer on the surface of the modified membrane fabric can bond with water molecules to form a water retention system which has better retention performance compared with pure water and enables an evaporation speed to be slower and retention performance on the skin to be better.

The present invention provides a process to make a gelatine hydrolysate, a gelatine hydrolysate and gelatine compositions comprising gelatine hydrolysates. More specifically, the invention provides gelatine compositions having improved cross-linking and dissolution properties.

A method for inhibiting dipeptidyl-peptidase IV is provided and includes administering a peptide to the dipeptidyl-peptidase IV, in which the peptide is isolated from a gelatin hydrolysate produced by enzymatic digestion with alcalase (ALA), bromelain (BRO), and flavourzyme (FLA).

This invention provides gelatin and gelatin hydrolysate peptide for food, medical and cosmetic use derived from such raw materials as poultry skins, bones and/or tendons, with an isoelectric point at pH 7-10, and characterized by no or low antigen-antibody reactivity to the serum of gelatin-allergic individuals. Since the gelatin and its hydrolysate peptide of the invention are hypoallergenic, they can safely be used for gelatin-allergic individuals and for food, medicine and cosmetics, for which the safety is particularly required.

The preparation process of hydrolytic gelatin with combined enzyme includes compounding water solution with gelatin material, regulating pH value with citric acid and phosphate buffering system, heating to reaction temperature, throwing enzyme via stirring, heating to killing enzyme, filtering, concentrating and drying to obtain hydrolytic gelatin. The combined enzyme contains any two of neutral proteinase containing AS1.398, papain, trypase and pineapple proteinase; the reaction has temperature suitable for the enzyme components, system pH value of 5-8.5 and reaction period of 0.5-5 hr; and the single enzyme adding amount is 0.01-2 wt% of gelatin. The enzyme components are added after being mixed or successively to degrade gelatin, and the process can decrease molecular weight of hydrolytic gelatin, raise hydrolytic gelatin solution stability and eliminate bad smell.

The invention discloses a preparation method and a product of low-pro-inflammatory reaction donkey-hide gelatin peptide. The preparation method comprises the following steps: (1) crushing donkey-hide gelatin blocks; (2) co-dissolving the crushed colla corii asini obtained in the step (1) in non-specific enzyme chain enzyme protease E, and carrying out enzymolysis for 3-5 hours under an enzymolysis condition, so as to obtain an enzymolysis colla corii asini solution; and (3) adding protease into the enzymatic hydrolysate obtained in the step (2) for enzymolysis, wherein the molecular weight of an enzymolysis product is made to range from 1000 Da to 3000 Da, high-temperature enzyme deactivation is carried out, the donkey-hide gelatin enzymatic hydrolysate is obtained, and (4) the donkey-hide gelatin enzymatic hydrolysate in the step (3) is freeze-dried, and the donkey-hide gelatin peptide is obtained. On one hand, the anti-inflammatory response capability of the donkey-hide gelatin is reduced, on the other hand, the anti-oxidation capability of the product is provided, and meanwhile, the relatively strong positive immunoregulation capability is still maintained, so that the side effects of the donkey-hide gelatin and the donkey-hide gelatin hydrolysate, which cause inflammation, are reduced, the phenomenon of getting inflamed is reduced, the use limitation of the donkey-hide gelatin is reduced, and the donkey-hide gelatin is safer to use.

In order to provide a novel free-flowing gelatin composition, in particular for use as food precursor, which gelatin composition retains its flowability, in particular even at temperatures below 30° C., it is proposed that the free-flowing gelatin composition comprises an aqueous liquid, gelatin gel particles dispersed therein and/or dissolved gelatin hydrolysate and one or more sugar components, wherein the sum of the contents of gelatin, gelatin hydrolysate and sugar components(s) is selected such that the water activity (aw value) of the composition is less than or equal to 0.97.

The invention provides a gelatin hydrolysate pesticide scavenging agent and a use method thereof. The gelatin hydrolysate pesticide scavenging agent is prepared by sequentially feeding ethanol and gelatin hydrolysate into a blending pot according to a certain ratio, slowly adding sodium citrate into the pot, adjusting the pH to be within 7-8, further adding essence, and finally adjusting the concentration with deionized water. When used, the gelatin hydrolysate pesticide scavenging agent is diluted to be a scavenging solution by using clean water in a certain ratio, and subsequently vegetables, fruits and the like can be soaked in the scavenging solution. The gelatin hydrolysate pesticide scavenging agent provided by the invention is efficient, environmental friendly, low in cost and wide in application prospect.

The invention relates to a medicine composition. The medicine composition comprises terazosin and an excipient, wherein the excipient is selected from mannitol, lactose, sorbitol, xylitol, glucose, maltose, glycine, soluble dextrin, xanthan gum, gelatine, hydrolyzed gelatine, Arabic gum, pectin, guar gum, peach gum, tragacanth gum, acacia gum, sodium carboxymethylcellulose, polyvinylpyrrolidone, carbomer, hydroxy propyl cellulose, hydroxypropyl methyl cellulose, alginate or is a combination thereof, wherein the weight ratio of the terazosin to the excipient is 1: (10 to 1000). The invention further relates to a method for preparing the medicine composition. The medicine composition disclosed by the invention has the excellent properties shown in the description.

PCT No. PCT/IE94/00050 Sec. 371 Date Apr. 17, 1997 Sec. 102(e) Date Apr. 17, 1997 PCT Filed Oct. 17, 1994 PCT Pub. No. WO96/12191 PCT Pub. Date Apr. 25, 1996Stabilizing medium for urinary alpha GST contains a stabilizing amount of a non-enzyne protein, such as a mixture of equal amounts (w/v) of bovine serum albumin and gelatin hydrolysate, chelating agent and a buffer, such that the medium has a pH in the range 7.0-7.5, the medium being effective to prevent loss of alpha GST immunological activity. The stabilizing medium can be used to store urine samples at temperatures of the order of -20 DEG C. without any loss of alpha GST immunoreactivity of the type observed in samples which are stored without such a stabilizing medium. The stabilizing medium also improves the immunoreactivity of alpha GST when added to fresh urine which is stored temporarily at 2-8 DEG C. prior to assay for up to two hours.

The invention discloses a preparation method of a waterborne polyurethane (WPU)/collagen/hydroxyapatite (HAP) composite material. The composite material is prepared from the following components in parts by weight: diisocyanate, polyester polyol, a chain extender, a waterborne chain extender, a neutralizer, a hydrolyzed collagen solution, gamma-glycidoxypropyltrimethoxysilane (KH560), calcium chloride and sodium hydrogen phosphate. According to the preparation method, an emulsion polymerization reaction is performed on a polyester-type WPU prepolymer and a biochemical-level gelatin hydrolysate (GH), and external crosslink modification is further performed through KH560 to improve the hydrophobicity and adhesive film toughness of the material, thus preparing a WPU and GH graft copolymerization composite emulsion (WPU-g-GH). The invention aims to prepare the nano HAP composite material with good mechanical property, structural stability, biocompatibility and degradability, which is expected to be a potential bone scaffold repair material.

The invention discloses a method for preparing a magnetic adsorption material from animal and plant wastes, and solves the problems that an existing magnetic adsorption material is poor in biodegradability and difficult to recycle, and the adsorption performance needs to be improved further. According to the technical scheme, crude fiber plant dregs are used as raw materials for preparation, hollow hydroxyapatite/copper ferrite nanoparticles are prepared through nanofiber crystallization, hydroxyapatite molding, medium-temperature template removal and copper ferrite loading, gelatin hydrolysate is prepared by ingeniously using animal waste gel, and hollow porous hydroxyapatite/copper ferrite nanoparticles are supported through crosslinking. According to the method, the process is simple, reaction conditions are mild, the raw materials are simple and easily available, the production cost is low, the method is easy to operate, the prepared adsorption material has high porosity and largespecific surface area, the adsorption performance of the material is greatly improved, the method has the advantages of repeated utilization and stable adsorption efficiency, complex water pollution can be treated, the recycling reproducibility and biodegradability are good, and the method is environmentally friendly.

The invention relates to a dietary fiber drink processing technology. The drink comprises raw materials in parts as follows: 100 parts of peels, 85 parts of water, 15 parts of glucose, 0.5 parts of citric acid and 0.2 parts of Vc. The technology comprises steps as follows: washing the peels with 0.5% of a hydrochloric acid solution, washing the solution with clear water, soaking the peels in 0.1% of a citric acid solution after washing, fishing the peels, cutting the peels into pieces, and then quickly placing the peels into the critic acid for soaking; mixing the peels with the raw materials to enable glucose to be dissolved thoroughly; adding a deoxidant containing anthocyanase prepared from asperigillus niger for decolorization, then adding 0.1% of a gelatin hydrolysate to enable the solution to be uniform and stable, finally, cooling the solution to the room temperature, performing degassing with a vacuum degasser, and keeping the solution at the temperature of 95 DEG C for 30 s for short-term high-temperature sterilization. The technology has the benefits that the drink is squeezed out of leftovers of fruits, waste of resources is avoided, the drink is sufficient in nutrition, drinks with different flavors can be processed according to respective taste with the processing technology.

The invention relates to carboxylated collagen foam stabilizers as well as a preparation method and a compound modifying method thereof. Waste leather contains a large amount of collagen and can be taken as a biomass resource. The preparation method comprises steps as follows: gelatin is compounded into an aqueous solution, pH is regulated after the gelatin is heated and dissolved, the gelatin is hydrolyzed by alkaline proteases, and a gelatin hydrolysate is obtained; long-chain aliphatic amine and a catalyst are added, and a collagen foam stabilizer is prepared through reaction; water and unreacted long-chain aliphatic amine are extracted out, and a pure collagen foam stabilizer is obtained; sodium dodecyl benzene sulfonate or lauryl sodium sulfate is added, and a compound foam stabilizer is obtained. The waste leather is recycled, a series of collagen foam stabilizers are synthesized according to difference of long-chain aliphatic amine, and the synthesized foam stabilizers have good foaming stability and environment friendliness. Therefore, the series of products have good application prospect.

The invention discloses a fish gelatin hydrolysate with oral hypoglycemic activity and an application thereof, and the fish gelatin hydrolysate is mainly prepared by the following method: 1) mixing fish gelatin with papain and neutral protease, adding phellinus linteus ketone and alpha-naphthoflavone at the same time, and performing enzymolysis to form a fish gelatin product A; and 2) mixing the fish gelatin product A with alkaline protease and pepsase, adding herba lycopi flavone and scutellaria baicalensis flavone I at the same time, and continuing enzymolysis to form a fish gelatin final product. Compared with the prior art, the invention provides a novel fish gelatin hydrolysate which has a remarkable oral hypoglycemic effect and can be used for preparing health-care food. Besides, the preparation method is simple and easy to operate, the activity of hydrolase is remarkably promoted by utilizing flavone, the use amount of food-grade hydrolase is remarkably reduced, the hydrolysis reaction time is remarkably shortened, and the production cost is greatly reduced.

The invention relates to the technical field of food detergents, in particular to a fruit detergent. The fruit detergent comprises, by weight, 20-30 parts of alkyl glucoside, 8-12 parts of gelatin hydrolysate, 6-10 parts of sodium carboxymethyl corn starch, 5-9 parts of sodium citrate, 10-20 parts of soybean lecithin, 6-10 parts of table salt, 0.2-0.3 part of bactericides and 30-50 parts of deionized water. According to the technical scheme, the fruit detergent has the advantages that harmful substances such as pesticides and germs on the surfaces of fruits can be effectively removed by the fruit detergent, the fruit detergent in formulas comprises natural detergents, and accordingly people do not need to worry about the problem of chemical residues; the cost can be reduced by natural Chinese herbal medicine and natural plant extraction and purification agents, the fruit detergent is safe and environmentally friendly, the shortcoming of chemical residue phenomena after existing fruitsare cleaned by the traditional detergents can be overcome by the aid of the fruit detergent, and the fruit detergent is free of harm on the skin of people.