21 results about "Protein nitrogen" patented technology

Methods for making wettable, dispersible potato protein powders are provided. The wettable dispersible potato protein powders comprise potato protein, free amino acids, non-protein nitrogen compounds, and minerals from potatoes; and are low in total α-glycoalkaloids. The inventive potato protein powders are suitable for use in formulating foods, feeds and beverages.

The invention relates to nutritional compositions for infants and in particular formulae for infants comprising human milk oligosaccharides, specific bifidobacteria, and urea as non-protein nitrogen source for improving the intestinal microbiota.

The invention relates to an application of a ruminant non-protein nitrogen feed synergist N-methylglycine and salts thereof as a rumen urease inhibitor in ruminant feeding. The N-methylglycine and the salts thereof have an efficient inhibition effect on rumen urease, and can be used as a novel non-protein nitrogen feed synergist to be combined with urea to replace soybean meal feed to be applied to ruminant feeding.

The present invention relates to a composition for feeding a ruminant comprising i) a non-protein nitrogen compound, and ii) a coating surrounding the non-protein nitrogen compound, wherein said coating comprises one or more layers of a mixture of a saturated fat and a fatty acid, and said coating comprises from 60 wt.-%+ / −10% to 85 wt.-%+ / −10% of the saturated fat, e.g. hydrogenated fat, and from 15 wt.-%+ / −10% to 40 wt.-%+ / −10% of the fatty acid, each based on the total weight of the coating; a process for the preparation of said composition and its uses, e.g., for improving nitrogen utilization in a ruminant.

The present invention belongs to the field of feed technology, and discloses a feed additive and use thereof, wherein the feed additive comprises yucca saponin, pulsatilla saponin and moringa leaf extract, wherein the contents of the yucca saponin, pulsatilla saponin and moringa leaf extract in the feed are 50-300 mg / kg, 10-20 mg / kg and 100-120 mg / kg respectively. The present invention compound yucca saponin, pulsatilla saponin and moringa leaf extract, and the three can synergistically stimulate the assimilation of nitrogen by cecal microorganisms and the ability to synthesize protein using amino acids, promote the conversion of unstable ammonium nitrogen and urea nitrogen into relatively stable protein nitrogen, thereby reducing the emission of ammonia.

Methods for making wettable, dispersible potato protein powders are provided. The wettable dispersible potato protein powders comprise potato protein, free amino acids, non-protein nitrogen compounds, and minerals from potatoes; and are low in total α-glycoalkaloids. The inventive potato protein powders are suitable for use in formulating foods, feeds and beverages.

The invention provides a method for producing animal feed through sectional type solid state fermentation. The method comprises the following steps: adding hydrogen peroxide into corn steep liquor, and then adding quick lime to adjust the pH value to 10.0-11.0 to obtain pretreated corn steep liquor; the preparation method comprises the following steps: by taking corn bran, sugar beet pulp and sugar beet molasses as raw materials, inoculating saccharomycetes and lactic acid bacteria, and performing solid anaerobic fermentation to obtain an acidic solid fermentation product; and uniformly mixing the acidic solid-state fermentation product with the pretreated corn steep liquor, realizing acid-base neutralization, inoculating saccharomycetes, and performing solid-state aerobic fermentation to obtain the animal feed. The corn steep liquor is subjected to alkalization treatment, the content of aflatoxin is reduced by 90% or above, then through aerobic fermentation, almost all proteins in the raw materials can be recycled, and almost all non-protein nitrogen is converted into protein nitrogen. The fermented finished product is a high-quality feed raw material and can be applied to the field of animal breeding.

The present invention relates to nutritional compositions for infants, and in particular formulas for infants, comprising human milk oligosaccharides, specific bifidobacteria, and urea as a non-protein nitrogen source, for improving the gut microbiota.

The invention relates to the field of food chemistry, and discloses a protein nitrogen content analysis method and system for a milk powder processed product, and the method comprises the following steps: constructing a sample digestion environment of a product sample, digesting the product sample, distilling a sample digestion solution, collecting ammonia gas into a boric acid solution, and carrying out solid-liquid separation to obtain the protein nitrogen content of the milk powder processed product. Preparing a standard hydrochloric acid solution of the ammonia-containing mixed solution, carrying out a titration experiment on the ammonia-containing mixed solution, and calculating the total nitrogen content of the product sample; determining the precipitant type and the precipitant concentration of the sample solution, precipitating the sample solution, and extracting a non-protein solution of the precipitated mixed solution; performing chromatographic test on the non-protein solution, extracting sample characteristics of a non-protein chromatogram, identifying a nitrogen-containing compound of the non-protein solution based on the sample characteristics, and calculating the non-protein nitrogen content of the non-protein solution; and analyzing the protein nitrogen content of the product sample. The analysis and detection accuracy of the protein nitrogen content of the milk powder processed product can be improved.

The invention discloses a method for determining the nitrogen index of protein in milk powder and application, and the method comprises the following steps: taking a milk sample, and dissolving in water to obtain an emulsion; adjusting the pH value of the emulsion to precipitate casein and denatured whey protein, and filtering to obtain a filtrate A; determining the nitrogen content in the filtrate A; mixing the filtrate A with a trichloroacetic acid solution to precipitate undenatured whey protein, and filtering to obtain filtrate B; determining the nitrogen content in the filtrate B; the difference value between the nitrogen content in the filtrate A and the nitrogen content in the filtrate B is the nitrogen content of the undenatured whey protein in the milk powder. The determination method disclosed by the invention has the characteristics of high universality, precision, accuracy, operability and the like, and provides a technical basis for determining the denaturation degree of the whey protein in the milk powder.

A ruminant feed supplement composition including urea, biuret and one or more nitrate compounds. The present disclosure further relates to the use of such a ruminant feed supplement composition as a NPN-source to improve nitrogen nutrition and to reduce methane emissions and further to improve the efficiency of microbial protein synthesis (EMPS) by rumen microbes in a ruminant animal; and / or to decreasing the acetate to propionate ratio produced by rumen microbes in a ruminant animal; and / or to increasing the (in vitro) dry matter (DM) and organic matter (OM) digestibility; and / or to improve the average daily gain (ADG) of a ruminant animal; and / or to improve the feed efficiency of a ruminant animal.

This invention discloses a method for preparing high-protein feed ingredients through solid-state fermentation. A compound microbial agent, prepared by mixing live bacterial solutions of *Aspergillus niger* DBNHQM02, *Saccharomyces cerevisiae* SX81, *Lactobacillus casei* ZZS062-01Lc, and *Bacillus subtilis* XLJ902 in equal mass ratios, is used to ferment palm meal or monk fruit residue in solid-state. The live bacterial content of all four microbial solutions reaches 1*10^4 micrograms per cubic meter. 10 This invention utilizes cfu / mL to perform solid-state fermentation of palm meal or monk fruit residue. By combining targeted selection of high-enzyme-activity compound microbial agents with response surface methodology, this invention significantly enhances the nutritional value of palm meal and monk fruit residue, efficiently converting non-protein nitrogen into high-quality protein, while increasing acid-soluble protein and crude fat content, thereby improving the overall nutritional level of the feed ingredients.

The invention relates to a nutritional composition comprising carbohydrates, protein and a fat composition, wherein:(a) the nutritional composition has a total calcium content on dry matter of at least 3.5 g / kg;(b) the protein comprises casein;(c) the nutritional composition has a content of protein-bound calcium of 7.5 mmoles or less per 10 grams of casein; and(d) the ratio NPN to TN is 0.7 or less, with:NPN meaning non-protein nitrogen in the nutritional composition in grams per 100 grams of nutritional composition (g / 100 g); andTN meaning total nitrogen (TN) in the nutritional composition in g / 100 g.The invention further relates to a process for the preparation of the nutritional composition in powder form and to the composition for use in the prevention of gut discomfort and constipation in human subjects, in particular human subjects of 0 to 36 months of age.

The invention discloses a beef cattle breeding feed formula and a preparation method thereof, and relates to the technical field of beef cattle feeds, soluble sugar and urea are mixed according to the proportion of 5: 1 to form urea syrup, the urea syrup is attached to the surface of hay in the form of urea syrup, the utilization efficiency is highest, energy feed is replaced by sugar, and protein feed is replaced by urea; or replacing the concentrated feed (corn flour and concentrated feed) with 50-150g of urea by 2kg of brown sugar feed for each cattle; more than 200kg of beef cattle ingredients comprise 50% of brown sugar feed corn flour and 50% of dry Maotai vinasse (wet vinasse is dried in a ratio of 3: 1). According to the beef cattle breeding feed formula and the preparation method thereof disclosed by the invention, the release speed of urea in the stomach of the beef cattle can be inhibited, and air blowing of the stomach of the beef cattle is effectively prevented. The sugar belongs to carbohydrate, and the urea belongs to non-protein nitrogen, so that the beef cattle stomach can utilize the non-protein nitrogen to synthesize protein, nitrogen in the urea is fully utilized, and the technical effect of reducing the feed cost input is achieved.

Methods for making wettable, dispersible potato protein powders are provided. The wettable dispersible potato protein powders comprise potato protein, free amino acids, non-protein nitrogen compounds, and minerals from potatoes; and are low in total α-glycoalkaloids. The inventive potato protein powders are suitable for use in formulating foods, feeds and beverages.

The present disclosure relates to the use of a mixture of urea, biuret and N-containing by-products of the biuret production out of urea, as a NPN-source in a ruminant feed supplement composition (i) to reduce methane emission produced by ruminant animals, (ii) to decrease the acetate to propionate ratio produced by rumen microbes in a ruminant, (iii) to improve the EMPS, (iv) to increase the DM and OM digestibility, and / or (v) to improve the dry matter intake (DMI) of ruminant animal. The present disclosure further relates to a ruminant feed supplement composition comprising urea, biuret and N-containing by-products of the biuret production out of urea, as well as to methods of feeding a ruminant with a feed comprising said ruminant feed supplement composition.

The invention relates to an isotonic protein solution feed formula for promoting nitrogen absorption of intestinal tracts of piglets and application, in particular to a feed formula for improving intestinal health of the piglets in a lactation period and improving feed protein absorption capacity of organisms by feeding the piglets with an isotonic protein solution. The isotonic protein solution disclosed by the invention has the characteristics of improving physiological structures such as intestinal villus / crypt proportion of piglets, promoting absorption and utilization of protein nitrogen by organisms so as to improve intestinal absorption capacity, reducing diarrhea and death rate of the piglets in the lactation period and the like. In addition, the isotonic protein solution is orally taken to the piglets, can be used as a supplement besides breast milk of the existing diet of the piglets and as a phagostimulant of a creep feed before weaning, and reduces the stress response of the piglets due to the fact that the breast milk is converted into a solid feed in the weaning period.

The invention relates to the technical field of microorganisms, and discloses saccharomycetes using non-protein nitrogen and application of the saccharomycetes, and the saccharomycetes using the non-protein nitrogen are named as candida utilis FJM60; the preservation number of the candida utilis FJM60 is CGMCC (China General Microbiological Culture Collection Center) No.31888. The invention provides saccharomycetes utilizing non-protein nitrogen, namely candida utilis FJM60, which can efficiently grow in various non-protein nitrogen source environments and shows remarkable biomass accumulation and protein production capacity, so that a new thought is provided for solving the problems of high nitrogen source cost and limited resources in the feed industry.

Methods for making wettable, dispersible potato protein powders are provided. The wettable dispersible potato protein powders comprise potato protein, free amino acids, non-protein nitrogen compounds, and minerals from potatoes; and are low in total α-glycoalkaloids. The inventive potato protein powders are suitable for use in formulating foods, feeds and beverages.