117 results about "Protein digestion" patented technology

The invention relates to a liquid forage and the preparation method, which comprises the following components in weight percentage: corn 20 to 60 percent, puffing soybean 15 to 50 percent, whey powder 2 to 15 percent, blood plasma protein 1 to 10 percent, fish meal 2 to 15 percent, treacle 1 to 7 percent, soybean oil 1 to 5 percent , CaHPO4 0.1 to 2 percent, stone powder 0.1 to 1 percent, NaCl 0.1 to 2 percent, choline 0.1 to 1 percent, L-Lys (L- lysine salt) 0.1 to 1 percent, DL-Met (methionine) 0.1 to 1 percent, pre-mixture 1.00 to 4.00 percent, and deflocculant 0.1 to 2 percent. Compared with the dry forage, the invention enhances the food intake of weaned newborn pigs; the invention also increases the feeding speed; the liquid forage can avoid the damages of dry forage to the intestinal wall morphology of weaned newborn pigs; liquid forage is beneficial to the inner environment of the digestive canal of newborn pigs; the enhancement of growing performance of early weaning newborn pigs can also be gained from the increase of ADFI, and simultaneously low pH value is also helpful to the protein digestion in the stomach of newborn pigs. The invention has the advantages of the regulation of the growing performance, the influence on the immunity function, and the balance of intestinal microbiological flora of early isolated weaning newborn pigs to reduce the cultivation cost greatly.

The present invention discloses a feather protein peptide feed additive and an application thereof. The preparation method for the feather protein peptide feed additive comprises: 1, mixing a substrate and water to obtain a solid state fermentation culture medium A, inoculating saccharomyces cerevisiae and saccharomycopsis fibuligera in the solid state fermentation culture medium A, culturing for 28-30 hours at a temperature of 30 DEG C, and drying the resulting culture at a temperature of 35-45 DEG C after culturing to obtain a yeast culture; and 2, mixing avian feather powder and the yeast culture, adding water to the resulting mixed material, uniformly stirring to obtain a solid state fermentation culture medium B, respectively inoculating bnfillus licheniformis and bacillus subtilis in the solid state fermentation culture medium B, and carrying out fermentation culture for 30-45 hours at a temperature of 35-38 DEG C to obtain the feather protein peptide feed additive. The feather protein peptide feed additive of the present invention has the following advantages that: feather protein digestion absorption efficiency can be 90%; the additive contains a variety of bioactive peptides, and provides digestion and growth promotion effects; the additive has natural fermentation flavor and good palatability; and pica of livestock and poultry can be significantly improved.

The invention provides a bighead feed with low cost. A high dosage of fermented cottonseed meal and a high dosage of fermented rapeseed meal are added and used as main raw materials; furthermore, the use of soybean meal and the use of animal protein raw materials are eliminated; and the high-protein-content bighead feed is manufactured by adding corn alcohol grain, wheat, monocalcium phosphate and various vitamins and trace elements. Toxic and harmful substances in the fermented cottonseed meal and the fermented rapeseed meal are reduced, and the fermented cottonseed meal and the fermented rapeseed meal are rich in small peptide, lactic acid, acetic acid and glutamic acid; various probiotics, vitamins, enzymic preparations and the like are retained and are favorable for improvement of protein digestion and absorption utilization rate; the pollution of residual feeds to a water body is reduced; the normal intestinal microecology of bigheads is retained, and the intestinal health of the bighead is balanced; and the feed coefficient is reduced.

The invention relates to a feed, in particular to a powdered oil feed with whey powder and a preparation method thereof, which mainly solve the technical problems that in the prior art, protein, whey powder and oil all in the conventional feed are simply mixed and stirred, so that oil and protein digestion utilization of animals is low, the protein, the whey powder and the oil carry bacterial viruses easily and insanitation is caused, the storage time is short, the application is poor and the like. According to the preparation method, whey powder, plant protein, animal protein and plant oil are mixed in proportion, added into water and heated, then emulsifier is added, and the mixture is fully stirred and then gets into an emulsifying machine for treatment, the homogenization treatment is performed to the product subjected to emulsification through a homogenizer, spray drying is performed to the product through the variable frequency drying technology and via a spray drying tower, and the dried mixture is subjected to sieving, metering and packing, so that a finished product is obtained.

The invention concerns a method of reducing body fat content of a subject in need thereof, the method comprising administering to the subject an agent capable of down-regulating activity and/or expression of at least one component participating in protein digestion and/or absorption. Such agents may be (i) an oligonucleotide directed to an endogenous nucleic acid sequence expressing said at least one component participating in said protein digestion and/or absorption or (ii) a protease inhibitor directed to said at least one component participating in protein digestion and/or absorption. The invention is particularly directed to a method of reducing body fat content of a subject in need thereof, the method comprising administering to the subject serine protease inhibitor inhibiting both enteropeptidase and trypsin activity.

The invention provides high-protein and full-nutrition seven-day meal replacement milkshake. The milkshake is prepared from the following raw materials in parts by mass: 20-50 parts of protein powder,10-30 parts of milk powder, 5-15 parts of comprehensive fruit and vegetable powder, 1-5 parts of compound mineral powder, 5-10 parts of prebiotics, 50-100 parts of satiety powder, 0.1-0.8 part of conjugated linoleic acid glyceride, 3-10 parts of fruit powder and 2-8 parts of fruit granules. The meal replacement milkshake provided by the invention can supplement the proteins, vitamins and mineralswhich are required for daily nutrition of a human body, and is balanced and comprehensive in nutrition; on the basis, due to the optimal combination of protein ratios, the protein digestion rate is slowed down; since the prebiotics are scientifically proportioned, the intestinal flora can be adjusted, the intestinal motility is enhanced, and the metabolism is accelerated; by adopting the low-carbon, low-fat and high-fiber dietary collocation, high satiety and low intake are realized; the diverse tastes of seven different meals for seven days can satisfy the taste buds. The meal replacement milkshake has the characteristics of being low in energy, high in protein, rich in minerals and vitamins, and the like. The product is good in taste, strong in satiety, comprehensive in nutrition and significant in weight reducing effect.

The present invention relates to a fermented infant formulae for decreasing protein digestive effort by decreasing the amount of endogenously formed proteases, concomitant with an increased protein digestion. The invention also relates to low protein fermented infant formulae.

The invention relates to a feed for increasing laying hen fertilization rate and laying rate, which comprises a feed main material and a traditional Chinese medicine additive, wherein the main material comprises the following raw materials by weight: 50-60 parts of corn, 25-30 parts of soybean meal, 4-6 parts of fish meal, 5-7 parts of wheat bran, 4-6 parts of shell powder, 2-3 parts of bone meal, 3-5 parts of trace elements, 3 parts of compound vitamin, and 2 parts of lysine; the weight part of the traditional Chinese medicine additive is 1, and the traditional Chinese medicine additive comprises isatis roots, radix astragali, epimeddium, venenum bufonis, bezoar, borneol, gypsum, glutinous rehmannia, buffalo horn, coptis, fructus forsythia, and balloonflower roots. The feed is not only added with trace elements such as nitrogen, phosphorus, calcium and the like, but also added with trace of pyridoxine algae on the basis of general feed; pyridoxine has promotion effect on internal protein digestion and absorption of laying hens, so absorption of amino acids by laying hens is promoted, and thus disease resistance of laying hens is improved; during feeding, the rates of diseased hens and dead hens are decreased by 50% and 80% respectively.

The invention provides a method for producing rice bran proteins by an enzyme hydrolysis method, and relates to a method for producing protein powder. Defatted rice bran is used as raw materials for extracting and preparing rice bran proteins. The method comprises the steps of raw material pretreatment, mixing enzymolysis, pH regulation, protein digestion, centrifugation, spraying drying and rice bran protein obtaining. The rice bran protein extraction rate reaches 76.19 percent, and the purity of the obtained rice bran proteins reaches higher than 70 percent. The method has the advantages that the extraction efficiency is high; the process is simple; the method is reliable; the stability is good; a path is provided for the integral utilization of rice bran resources and the preparation of the rice bran proteins.

Reagents are disclosed for chemoselective tagging of methionine residues in peptides and polypeptides, subsequent bioorthogonal tag functionalization, and cleavage of the tags when desired to regenerate unmodified samples. This method compliments other peptide tagging strategies and adds capability for tag removal, which may be useful for release of therapeutic peptides from a carrier, or release of tagged protein digests from solid supports.

The invention discloses a preparation method of a grain-albumin-free soy sauce, and the grain-albumin-free soy sauce, and relates to the technical field of soy sauce brewing. The grain-albumin-free soy sauce is prepared from beans, bean pulp, aspergillus oryzae, table salt, water and yeast, grain raw materials such as wheat are not added into production raw materials of the soy sauce, the producedsoy sauce does not contain a grain albumin allergen, the quality index and nutrients both meet the quality standard requirements of an existing soy sauce, and the grain-albumin-free soy sauce can replace the existing soy sauce to meet the edible needs of the crowd allergic to grain albumin; and the protein content of the produced soy sauce can reach 15 g/100mL and is higher than the existing soysauce by 50%, the content of soluble non-salt solid matter is increased by about 30% than that of the current soy sauce, the nutritional value is higher, the sauce flavor is thicker, the grain-albumin-free soy sauce can serve as the soy sauce special for Japanese food such as sushi and sashimi, and the food taste is enough to be wrapped. The invention further provides a production method of the grain-albumin-free soy sauce, and the protein digestion rate of a production process is increased by about 10% than that of an existing process.

Processes for increasing rumen undegraded protein in protein containing compositions, fermentation by-products or combinations thereof are disclosed. Uses of alkaline crystalline solids to increase rumen undegraded protein in protein containing compositions, fermentation by-products or combinations thereof are further disclosed. Products produced from such processes are also disclosed.

The invention provides a pig feed and a preparation method thereof. The pig feed comprises 1 percent by weight of premix, a synthetic amino acid and a compound enzyme, wherein the synthetic amino acid is a mixture of L-lysine, DL-methionine, L-threonine and L-tryptophan; the compound enzyme is a mixture of protease, amylase, phytase, xylanase and beta-mannase. Compared with a common pig feed, the daily pig feed prepared from the synthetic amino acid and the compound enzyme has the advantages that the daily grain and the conversion efficiency of the feed are obviously increased, and fecal nitrogen and urine nitrogen are obviously reduced; the growth speed of pigs is increased, and the environmental improvement is facilitated; the growth of animals is not affected by the added synthetic amino acid; the reduction of the crude proteins of the daily pig feed facilitates the development of intestinal tracts, the villus height of duodenum in the intestinal tracts is increased, and the digestion and the absorption of proteins are facilitated.

The invention discloses feed for preventing desquamation bleeding of megalobrama amblycephala in a high-density breeding condition. The feed comprises the following components, by mass percentage: 14.8 of wheat, 15.0 of rice bran, 0.2 of choline chloride, 0.2 of betaine, 10.0 of corn germ dreg, 8.0 of starch maize slag, 18.0 of soybean meal, 6.0 of cottonseed meal, 10.0 of rapeseed meal, 4.0 of chicken meal, 9.0 of fish meal, 1.8 of calcium dihydrogen phosphate, 1.0 of soya-bean oil, 0.5 of lard, 0.5 of a Chinese herbal medicine preparation, and 1.0 of premix, and the total amount of the components is 100%. According to the invention, the Chinese herbal medicine preparation is added in the feed, and the amount of vitamin K3, vitamin C, and vitamin E is added in the feed formula, so that the nutrition metabolism function of the body is effectively enhanced; metabolism and fat conversion of the body are improved; the viscosities of the fat in the blood and the liver are effectively reduced; and conversion and absorption of the feed are improved. The feed has functions of invigorating the stomach and promoting digestion, protecting the liver and the gallbladder, resisting bacteria and virus, and promoting fat conversion and protein digestion and absorption; the stress resistance and immunity of the megalobrama amblycephala are improved; the survival rate is increased; and desquamation bleeding of megalobrama amblycephala is effectively prevented.

The invention discloses an extraction method of auricularia auricula polysaccharide. The extraction method comprises the following specific steps: carrying out superfine grinding on auricularia auricula to obtain auricularia auricula superfine powder; adding water into the auricularia auricula superfine powder, and adding yeast lysing enzymes to carry out enzymolysis and lysing, so as to obtain anauricularia auricula enzymatic hydrolysate and an auricularia auricula residue; adding water into the auricularia auricula residue, and carrying out microwave extraction to obtain an auricularia auricula extracting solution; combining the auricularia auricula enzymatic hydrolysate and the auricularia auricula extracting solution, carrying out filtering, adding protease for enzymolysis, carrying out centrifuging, and removing proteins of a supernate by using a Sevage method to obtain a deproteinized polysaccharide solution; and concentrating the deproteinized polysaccharide solution, then precipitating polysaccharide by using ethanol, and carrying out centrifuging, precipitating and freeze-drying to obtain the auricularia auricula polysaccharide. The extraction method provided by the invention is simple and feasible, the extraction rate and purity of the auricularia auricula polysaccharide are high, the auricularia auricula polysaccharide has good application values and market potential; and dissociative and zymolytic protein in a polysaccharide liquid can be effectively removed, so that the activity of the polysaccharide is kept from being damaged.

The invention relates to a dried ampelopsis grossedentata konjac and a preparation method thereof. The main ingredients of the dried ampelopsis grossedentata konjac comprise ampelopsis grossedentata and konjac glucomannan. The ampelopsis grossedentata contains 19 kinds of essential nutrients and trace elements for human bodies, having functions of preventing of such diseases as cardiovascular disease, osteoporosis, cancer, and the like; inhibiting of Gram-negative bacteria, influenza A virus, and influenza B virus; and no influence on protein digestion and absorption because the ampelopsis grossedentata does not contain tannic acid, and being suitable to eat by people with anemia. Konjac has such benefits as detoxifying, weight losing, blood sugar reducing, blood pressure lowering, cancerpreventing, and the like. Complex gum formed by Konjac gum and xanthan gum is used as an encapsulating wall material, protecting ingredient activity of the ampelopsis grossedentata. The dried ampelopsis grossedentata konjac provided by the invention has the advantages of easily obtained raw materials, low price, safety and antibacterial property which totally meet the requirements of the nationalrelated standards, and more abundant nutrition compared with the common leisure foods. Besides, the dried ampelopsis grossedentata konjac has such health care functions as weight losing, inflammationdiminishing, deficiency fire reducing, blood sugar reducing, blood pressure lowering, appearance improving, sleep improving, and the like.

The present invention provides methods for detecting protein in plasma comprising contacting said plasma with a protease capable of digesting said protein into at least one detectable fragment and detecting said at least one detectable fragment using high performance liquid chromatography and mass spectroscopy.

The invention discloses live embryos obtained by incubating fertilized eggs, and the live embryos are protein raw material and soybean protein raw material. The living embryos and the soybean proteinare mixed, and are subjected to pulverizing, sterilization, enzymolysis for a very long time and separation to remove insoluble matters so as to obtain a double protein digestion-free protein productwith placenta activity. The product consists of composite amino acids, wherein the dipeptide tripeptide molecular weights are 300-500DA and the average molecular weight is 120DA. Science confirms thatonly the part is the digestion-free protein which can be directly absorbed and utilized by the human body directly through small intestines. No digestion-free protein product is found on the market today. The beneficial effects of the invention are that: the invention provides the digestion-free protein product for the elderly with reduced digestive function caused by aging so as to ensure protein balance. Human history has three times of health revolutions: the first time is vaccination for smallpox, the second time is treatment of diseases caused by viral bacteria with penicillin, and the third time is small molecule active peptide treatment. The root cause of all major diseases is the problem of cell failure.

The invention relates to a preparation technology of microbial glycolysis active peptide containing haematochrome, and belongs to the technical field of organisms. The preparation technology comprises the steps of firstly, preparing monascus purpureus liquid fermentation strain and bacillus licheniformis liquid fermentation strain respectively, mixing and incubating the two bacteria liquid into a solid fermentation culture medium; fermenting by a solid fermentation technology; and drying after fermentation, so as to obtain the microbial glycolysis active peptide containing haematochrome and small peptide. The microbial glycolysis active peptide disclosed by the invention contains natural haematochrome and small peptide, and has a significant effect on the improvement of protein digestion and absorption rate of animals, facilitation of animal growth and improvement of animal quality in use of beasts and birds; and especially in poultry farming, the natural haematochrome contained in the product can improve the inherent quality and external sensory traits of the poultry product and the quality of eggs. The microbial glycolysis active peptide containing the haematochrome prepared by the preparation technology has the characteristics of being natural, high in digestion and absorption, low in discharge and the like, and is a new generation of green products.