44 results about "Glyceryl tributyrate" patented technology

The invention discloses a preparation method for a glycerol tributyrate microcapsule. The glycerol tributyrate microcapsule is prepared from the following raw materials: 100 parts of fatty acid, 50-100 parts of glycerol tributyrate, 1-10 parts of an emulsifier and 13-15 parts of calcium hydroxide. The preparation method comprises the following steps: mixing glycerol tributyrate, fatty acid and the emulsifier, heating, melting, and uniformly stirring in warm water with the temperature of 80+/-5 DEG C to form emulsion; dissolving calcium hydroxide in water to prepare 10-20% of lime emulsion; mixing and stirring the emulsions obtained in the previous two steps and reacting to generate solid particles; filtering out the moisture and drying a filter cake to form the finished glycerol tributyrate microcapsule which freely flows at the room temperature. The preparation method has the advantages of low production cost, simple process, cheap equipment and favorability for industrialized production; the obtained finished solid particle product with the flowing property is relatively convenient when being used as an animal feed additive.

Belonging to the technical field of grease microcapsulation, the invention discloses a tributyrin microcapsule with maltodextrin and cyclodextrin as the wall material. The preparation process includes: adding maltodextrin and cyclodextrin into distilled water, conducting water bath heating at 50-80DEG C, and mixing the substances evenly, then adding tributyrin and an emulsifying agent, and fully stirring the substances evenly; and carrying out shearing, homogenizing and spray drying on the obtained mixture so as obtain a tributyrin microcapsule powder product. The method adopted by the invention has the characteristics of simple process and convenient operation. The prepared tributyrin microcapsule powder has the characteristics of small peculiar smell, and good stability and solubility, obviously improves the defects of peculiar smell, insolubility in water, poor fluidity and the like in tributyrin, and expands the application of tributyrin.

The invention discloses a method for clathrating tributyrin by an enzyme method, and belongs to the technical field of grease microencapsulation. According to the method, cyclodextrin synthesized by the enzyme method and tributyrin clathrated by cyclodextrin are combined. The method comprises the step of preparing the cyclodextrin by the enzyme method using CGT enzymes; the tributyrin is added inthe preparation process; after the reaction, Tween is added; and homogenizing and spray drying are performed. The effect of the finally obtained tributyrin powder is much better than the single cyclodextrin clathration effect. The method provided by the invention has the advantages that the process is simple; the cost is low; the operation is convenient; non-toxic harmless and pollution-free effects are achieved in the reaction process; no toxic reagent is remained; the clathration effect is obvious; and the better utilization of a nutritive additive of the tributyrin in the practical production is facilitated.

The invention relates to a synthetic method of tributyrin and application of tributyrin in feeds. The synthetic method comprises the steps of directly synthesizing tributyrin from butyric acid and glycerin in the absence of a solvent at a high temperature by virtue of a liquid catalyst, separating tributyrin from unreacted raw materials by virtue of a rectifying column through a high vacuum distillation method, collecting a corresponding fraction, namely tributyrin, and detecting the content of a distillation with a content above 98%(w/w) by virtue of a high performance liquid chromatography for reuse. According to the application, tributyrin produced by virtue of a process disclosed by the invention is used for preparing a feed additive capable of promoting the growth of economic animals and increasing the feed conversion rate, and the actual adding amount of the additive is 1000ppm-2000ppm; and compared with tributyrin produced by virtue of other processes in the market, the adding amount can be reduced.

The invention provides a formula and a production process of a compound feed, wherein the components of the formula comprise the following components in parts by weight: 20-40 parts of corn, 10-15 parts of puffed corn, 10-15 parts of whey powder, 6-10 parts of puffed beans, 7-15 parts of bean meal, 1-4 parts of fermented bean meal, 2-5 parts of skim milk powder, 3-5 parts of whole milk powder, 1-3parts of sucrose, 1-3 parts of fish meal, 0.5-1.5 parts of bean oil, 0.05-0.1 part of tributyrin, 0.5-1.0 part of an organic mineral substance premixing agent, 0.02-0.05 part of a vitamin premix, 0.05-0.2 part of a compound enzyme preparation, 0.3-0.8 part of stone powder, 0.6-1.5 parts of calcium hydrogen phosphate, 0.1-0.4 part of edible salt, 0.04-1.2 parts of lysine, 0.01-0.3 part of methionine, 0.01-0.3 part of threonine, 0.01-0.3 part of tryptophan, 0.01-0.3 part of phytase, 0.03-0.08 part of a mildew-proof agent, 0.1-0.5 part of chitosan oligosaccharide and 1-3 parts of plant essentialoil. According to the invention, the compound feed does not use any antibiotics, does not have the problem of antibiotic residues, is environmentally friendly, improves the intestinal tract resistance of piglets, is balanced in nutrition, can generate good economic effect, and is beneficial to popularization.

The invention relates to a compound feed for improving the intestinal health of largemouth basses and a preparation method and application thereof. The compound feed for improving the intestinal health of the largemouth basses comprises the following components in parts by weight: 10-20 parts of fishmeal, 5-10 parts of chicken powder, 10-20 parts of hydrolyzed fish protein powder, 10-15 parts of pork powder, 2-5 parts of spray-dried blood cells, 1-5 parts of silkworm chrysalis meal, 3-5 parts of corn protein powder, 4-6 parts of soybean meal, 15-20 parts of flour, 1-2 parts of fish oil, 3-5 parts of soybean oil, 1-3 parts of soybean phospholipid oil, 3-5 parts of yeast enzymatic hydrolysate, 0.01-0.1 part of glyceryl tributyrate, 1-2 parts of stachyose, 1-2 parts of xylan, 2.5-3 parts of calcium dihydrogen phosphate, 1-2 parts of choline chloride and 1-2 parts of freshwater fish premix. The compound feed has the beneficial effects that (1) a synergistic effect is achieved, and the intestinal health of the largemouth basses can be effectively improved; and (2) the compound feed of the present invention is balanced in nutrition, the largemouth basses grow rapidly after being fed withthe compound feed, and the disease resistance is strong.

The invention provides an oplegnathus punctatus multi-functional composite feed and a preparation method thereof. The multi-functional composite feed comprises 25-30 parts of fish meal, 10-15 parts ofbroad bean powder, 10-20 parts of dextrin, 10-15 parts of cellulose, 2-3 parts of fish oil, 0.5-1 part of soybean lecithin, 1-2 parts of a mineral mixture, 0.3-0.5 part of a vitamin mixture, 0.1-0.2part of choline chloride, 0.1-0.5 part of calcium dihydrogen phosphate, 0.01-0.05 part of a tributyrin mixture and 0.01-0.03 part of a compound enzyme preparation, wherein the tributyrin mixture comprises 1-2 parts of butyrin, 1-3 parts of dibutyrin, 3-5 parts of tributyrin, 1-2 parts of vitamin C-phosphate ester and 1-3 parts of mannan oligosaccharides. The multi-functional feed can strengthen the immunomodulation of intestines of fish, can increase the growth speed, and can improve the growing performance, so that the fish muscle is tight in grains, and the fish is elastic and good in chewiness.

The present invention discloses a disease and stress preventing ability enhancing feather hydrolyzed powder feed for macrobrachium rosenbergii. The feed is prepared from the following raw materials in parts by weight: 500-600 parts of feathers, 20-30 parts of hydrogen peroxide, 0.2-0.4 part of sodium metabisulfite, 34-38 parts of puffed rice bran, 15-18 parts of maltodextrin, 24-26 parts of broad bean flour, 0.2-0.3 part of sodium lactate, 3-4 parts of pomegranate peel fermented products, 3-4 parts of wild chrysanthemum, 2-3 parts of radix sophorae flavescentis, 4-5 parts of licorice, 0.3-0.5 part of spiced salt, 0.4-0.6 part of aloe vera oil, 0.2-0.3 part of glyceryl tributyrate, 0.5-0.6 part of seaweed extract powder, 0.4-0.6 part of sepiolite powder, 0.02-0.03 part of paraben methyl ester, 4-5 parts of raw soybean milk, etc. The feed is natural and healthy, good in palatability, and especially suitable for culture of macrobrachium rosenbergii, and can conduct comprehensive regulation of body functions of the macrobrachium rosenbergii, promote the growth and development of the macrobrachium rosenbergii and improve the aquaculture yield and survival rate.

The invention discloses a preparation method of a urea sensor with a Janus structure artificial cell model, which belongs to the field of catalytic detection. The method comprises the following steps:adding a urease aqueous solution into a mixed solution of tributyrin and oleic acid, oscillating and performing standing to prepare a urease-based artificial cell model; preparing a phospholipid solution, adding the phospholipid solution into 20-40 [mu] L of glyceryl triacetate, oscillating and performing standing for 30 min to obtain an artificial cell model based on phospholipid; and oscillating the two settled artificial cell models to obtain two uniformly mixed micro-emulsions, and performing standing to remove a supernatant, thereby obtaining the Janus structure artificial cell model with the urea sensing function. According to the invention, the urea concentration is detected by using the urea sensor of the Janus structure artificial cell model; the method is high in selectivity, simple to operate, convenient to carry and transport, free of special instruments, short in detection time (less than 1 minute) and good in data reproducibility, 1000 times of measurement can be realized by one-time preparation (1mL of artificial cell model), and the linear detection range is 0.1 mg/mL-10mg/mL.

The invention discloses an oeogel composition containing tributyrin and phospholipid, relates to solidification of tributyrin, and belongs to the field of an animal feed additive. The composition is prepared from the following components in parts by weight: 10-70 parts of tributyrin, 0-60 parts of edible oil, 5-20 parts of phospholipid, 5-60 parts of glycerol monostearate, 1-30 parts of edible wax, and 1-30 parts of sorbitan monostearate. The composition is rich in tributyrin and phospholipid and is a main nutrient component. Gelata molecules in the composition are self-assembled to form a stable three-dimensional network structure, the tributyrin easy to flow is packed in the gelata molecules, so that the tributyrin loses fluidity and becomes a gelatin solid state, and the glyceryl tributyrate can be effectively solidified. The oleogel composition has the advantages of being low in production cost, green and pollution-free in making method, and free from discharge. Components in the composition are safe and edible, and are rich in nutrition. The solidifying content of the tributyrin is high, the oleogel composition is convenient to feed, and therefore, the oleogel composition hasgood popularization value.

The invention discloses a feed additive for enhancing the anti-stress ability of breeding ducks in the egg laying period and a preparation method of the feed additive. The additive comprises the following raw materials in percentage by weight: 3-5 parts of isochlorogenic acid, 1-3 parts of tributyrin, 2-4 parts of acetylglucosamine benzoate and 6-9 parts of puffed chickpea powder. The additive further comprises 1-3 parts of hyperforin perforatum and 1-3 parts of bile acid. The preparation method comprises the following steps: preparing a hyperforin perforatum extract: adding water twice for extraction, combining the two extracting solutions, concentrating to obtain paste, and drying to obtain the hyperforin perforatum extract; mixing and granulating to obtain granular products: wherein the variable coefficient of the mixing uniformity is less than or equal to 4%; sequentially spraying a tributyrin solution and an acetylglucosamine benzoate solution on the granular product; and drying. When the additive is added into the breeding duck feed, the physique, the resistance, the adaptive capacity to change of external factors such as feed changing and illumination increasing of the breeding ducks and the anti-stress capacity after egg laying can be effectively enhanced, and the overall economic benefit of duck breeding is improved.

The invention provides a feed additive and an expanded feed for protecting liver and gallbladder of Taiwan loach, and a preparation method thereof, and belongs to the technical field of feeds. Each 100 parts of the feed additive comprises 30-40 parts of bile acid, 25-35 parts of sweet wormwood powder, 5-15 parts of taurine, 5-15 parts of glyceryl tributyrate and 10-20 parts of carrier bran powder.The expanded feed for Taiwan loach comprises 200-250 parts of imported fish meal, 50-70 parts of shrimp meal, 30-50 parts of squid meal, 80-120 parts of fermented soybean meal, 280-320 parts of decorticated soy bean meal, 180-220 parts of high-gluten flour, 15-25 parts of calcium dihydrogen phosphate, 20-25 parts of fish oil, 20-25 parts of soybean oil, 3-8 parts of a compound vitamin mixture, 3-8 parts of a mineral and trace element mixture and 3-8 parts of the feed additive for protecting liver and gallbladder. The feed additive provided by the invention has obvious functions of protectingliver and gallbladder, and is convenient for the feeding of loach.

The invention belongs to the technical field of aquaculture, and specifically relates to a compound preparation for invigorating intestine and benefiting liver in the culture of Penaeus vannamei. Thecompound preparation comprises the following components in parts by weight: 0.1-65 parts of a medium and short-chain fatty acid glyceride mixed milk powder, 0.1-20 parts of a virgate wormwood herb extract, and 10-90 parts of anhydrous sodium sulfate, wherein the effective content of chlorogenic acid in the virgate wormwood herb extract is greater than 5%, and in the medium and short-chain fatty acid glyceride mixed milk powder, the effective content of tributyrin is greater than 95%, and the effective content of monolaurin is greater than 70%. The invention also provides a preparation method of the compound preparation. The compound preparation can protect the intestine and liver of Penaeus vannamei, improve intestinal vitality, inhibit pathogenic microorganisms and promote digestion, effectively removes accumulation of undesirable substances such as lipids in the liver of Penaeus vannamei, repairs intestinal walls, ensures the number of beneficial floras in the intestinal tract, antagonizes infections of viruses and bacteria, promotes digestion, and reduces the occurrence of diseases, so that the purpose of improving culture yield, quality and efficiency is achieved.

The invention relates to the technical field of preparation of feed additives, in particular to a feed additive for promoting gastrointestinal health of piglets and a preparation method of the feed additive. The feed additive comprises the following raw materials in parts by weight: 4-6 parts of nonanoic acid, 4-6 parts of octanoic acid, 3-5 parts of dodecanoic acid, 4-8 parts of carvacrol, 4-8 parts of eugenol, 2-4 parts of clove oil, 8-12 parts of tributyrin and 8-12 parts of sorbic acid. The feed additive can remarkably reduce the diarrhea rate of piglets, improve daily gain, promote digestion of crude protein and calcium, improve the IgG antibody level in serum and reduce the number of escherichia coli in excrement, and meanwhile, the number of lactic acid bacteria is remarkably increased; and moreover, the feed additive has no resistance, no drug residue and no drug resistance, and belongs to a natural feed additive.

The invention relates to tributyrin microcapsule powder and a preparation method thereof, and is characterized in that the tributyrin microcapsule powder comprises the following components by weight: 40-55% of a core material, 45-55% of a wall material, 0.2-10% of an auxiliary wall material, 0.1-1% of an emulsifier, and 0.2-1% of a flavoring agent. The invention also discloses a preparation method of the tributyrin microcapsule powder. When the high-oil-loading microcapsule powder is prepared, the surface grease rate of the microcapsule powder can be remarkably reduced, the bitter taste and peculiar smell of tributyrin are effectively shielded, and the prepared product is moderate in taste, free of peculiar smell and good in market value.

The invention relates to the technical field of enzymes, in particular to a glucose oxidase composite product for reducing the feed-to-meat ratio of broilers and application of the glucose oxidase composite product. The glucose oxidase composite product is prepared from the following active ingredients in parts by weight: 5-35 parts of glucose oxidase, 1-7 parts of protease, 1.5-7.4 parts of lipase, 15-71 parts of tributyrin, 13-50 parts of betaine, 1-5 parts of biotin, 1-4 parts of inulin and 1-4 parts of ethoxyquinoline. By the glucose oxidase composite product, a remarkable effect on reducing the feed-to-meat ratio of the broilers can be provided, the occurrence rate of feces with lots of water is reduced, the cost is also reduced, and the economic benefit is increased.

Tributyrin and/or tributyrin derivatives are used to selectively increase the levels of Bifidobacteria in the gut. In preferred methods, the tributyrin and/or tributyrin derivatives are orally administered alone or in combination with a food item or other nutritionally acceptable carrier, and may further include Bifidobacteria. Tributyrin-enhanced Bifidobacterium strains are also contemplated that include Bifidobacteria previously cultured in tributyrin and/or tributyrin derivatives.

The invention belongs to the technical field of substance content determination. The invention provides a method for determining the content of tributyrin, which comprises the following steps: mixing a tributyrin standard substance with an organic solvent to obtain a standard working solution; detecting the standard working solution by adopting a gas chromatograph, and obtaining a standard curve equation according to an external standard method; mixing a tributyrin powder sample with an organic solvent, and carrying out ultrasonic treatment and filtering treatment to obtain a to-be-detected sample solution; and detecting the to-be-detected sample solution by adopting a gas chromatograph, and obtaining the content of tributyrin in the to-be-detected sample solution according to the standard curve equation and the determined peak area. The determination method has the advantages of simplicity and convenience in operation, good repeatability, accuracy and the like, wherein the recovery rate of the tributyrin is between 98.8% and 100.2%.

The invention provides oxymatrine and tributyrin composite microcapsules as well as a preparation method and application thereof, and belongs to the technical field of medicine preparation. The oxymatrine and tributyrin composite microcapsules comprise a core material and a capsule material; the core material comprises oxymatrine and tributyrin; the capsule material comprises maltodextrin and starch sodium octenylsuccinate. According to the oxymatrine and tributyrin composite microcapsules, the discomfort of the taste of oxymatrine is overcome, and the oxymatrine and tributyrin composite microcapsules which have a synergistic effect in the aspect of reducing the diarrhea rate of weaned pigs and can replace antibiotic products are provided.