41 results about "Monobutyrin" patented technology

The invention relates to a composite feed additive for restoring baby pig intestine mucosal injury, belonging to the technical field of feed additives for baby pigs. The feed additive comprises 0.1-0.2 part of glutamine, 0.01-0.1 part of butyrin, 0.01-0.1 part of yeast nucleic acid, 0.02-0.2 part of threonine, 0.03-0.3 part of origanum oil, 0.03-0.3 part of chitooligosaccharide, 0.1-0.5 part of active dry yeast, 0.1-0.5 part of Bacillus subtilis, 0.11-0.3 part of vitamin and 5-7.5 parts of carrier. On the basis of the basic principles of baby pig intestinal tract nutrition, intestinal tract immunity and intestinal tract microecology, the invention can effectively restore baby pig intestine mucosal injury, accelerate the growth of baby pigs, and promote the health and immunity of the baby pig intestinal tract, thereby enhancing the survival rate and growth rate of the baby pigs.

The invention provides novel formulations comprising a stable inclusion complex of tributyrin and a cyclodextrin. In one particular embodiment, the formulation comprises an oven dried inclusion complex of tributyrin and γ-cyclodextrin that is effective in minimizing or preventing the unpleasant taste and odor of tributyrin, thus making it suitable for oral administration and delivery to the digestive tract and intestines. The invention provides compositions of these inclusion complexes and methods of using them that are advantageous as food, medicinal and other products, where the negative sensory properties of tributyrin can be a liability.

The present invention refers to the use of a glycerol ester composition of at least one short chain fatty acid for preventing and / or alleviating necrotic enteritis in the gastric tract of galloanserans. The glycerol ester composition comprises at least 75% by weight of glyceryl tributyrate, below 25% by weight of glyceryl dibutyrate and below 8% by weight of glyceryl monobutyrate. The present invention also refers to the use of said composition for modulating the gut flora of galloanserans.

The invention belongs to the field of medicament preparing and particularly relates to norisoboldine self-microemulsion preparation and a preparing method thereof. The method includes: adding norisoboldine into anhydrous ethanol, adding tributyrin and emulsifier EL-40 after 37-DEG C ultrasonic dissolving saturation, and well mixing in a vortex manner to prepare the norisoboldine self-microemulsion preparation, wherein the volume fraction of the tributyrin in the self-microemulsion preparation is 22.5%; the volume ratio of the emulsifier to the anhydrous ethanol is 3:1. The norisoboldine self-microemulsion preparation prepared by the method is clear and transparent liquid and stable in property and forms O / W type light blue microemulsion when meeting water, the self-emulsifying rate of the norisoboldine self-microemulsion preparation is 28.3s, the particle size of the norisoboldine self-microemulsion preparation is 14.73 nanometers, the Zeta potential of the norisoboldine self-microemulsion preparation is 0.7mV, and the drug loading capacity of the norisoboldine self-microemulsion preparation is 14.8676mg / mL.

The invention relates to a method for compartment analysis of ferulic acid glycerol monobutyralte through the high performance liquid chromatography, comprising the following: firstly, a step of pretreatment, during which, ferulic acids and absolute ethyl alcohols generate reflux heating reaction under the catalysis of thionyl chlorides and are dissolved in aether and then ferulic acid methyl ethyl oxalate is obtained after extraction through sodium bicarbonate; under the temperature of between 30 and 50 DEG C, tertiary butyl alcohol is used as reaction medium and the ferulic acid glycerol monobutyralte is obtained through oscillating reaction of the ferulic acid methyl ethyl oxalate, glycerol monobutyralte and Novozym435 lipase in an air bath; the ferulic acid glycerol monobutyralte is dissolved in methanol, filtered and then diluted by HPLC-level methanol; secondly, a step of compartment analysis, which is to adopt a chromatographic column (Ph-3 column Inertsil, IDx250mm) with a column temperature of ambient temperature. A solid phase adopts silica gel filler and the ultraviolet detection wavelength is between 280 and 325 nanometers; a moving phase is gradient mixing of methanoland water; the sample feeding quantity is 5 mu L and the flow speed is 1mL / min. The method selects filler of the chromatographic column and the special ultraviolet scanning wavelength according to the characteristics of materials to be comparted, is quick, high-efficient and accurate and is convenient for industrial analysis and application.

The invention discloses a method for enzymatic inclusion of tributyrin, which belongs to the technical field of oil microencapsulation. The present invention combines enzymatic synthesis of cyclodextrin and cyclodextrin inclusion tributyrin, including CGT enzymatic preparation of cyclodextrin, adding tributyrin in the preparation process, adding Tween after the reaction, all quality, spray-dried. The effect of the finally obtained tributyrin powder is far better than that of a single cyclodextrin inclusion. The invention has the advantages of simple process, low cost, convenient operation, non-toxicity and pollution in the reaction process, no toxic reagent residue, remarkable clathrate effect, and is conducive to better utilization of tributyrin as a nutritional additive in actual production.

The invention relates to a premix capable of promoting growth and reproduction of sows, as well as a preparation method and an application thereof. In parts by weight, per 1000 parts of the premix capable of promoting growth and reproduction of the sows comprises the following ingredients: 15-30 parts of selenium yeast, 150-200 parts of glycine chelated manganese, 36-50 part of copper lysine, 0.1-0.2 part of chromium picolinate, 1-2 parts of folic acid, 20-80 parts of linseed meal, 50-200 parts of glyceryl butyrate, and the balance carriers. The premix is added into basic daily feeds of the sows in a dosage that the addition amount of the premix is 0.5-1% of the total mass of the basic daily feeds of the sows. Compared with the prior art, the premix disclosed by the invention is capable of effectively improving food intake and milk yield of the sows, as well as satisfying nutrition needs so as to ensure nutrition, healthy development and production performance of the sows and the piglets. The premix promotes growth and breeding of the sows, and improves intestinal immune functions; moreover, the premix improves lactation performance, and reduces weight and back fat loss of the sows in the lactation period. In addition, the premix satisfies macro-element and trace-element needs of the sows in the breeding cycles, as well as improves absorption and utilization rates and reduces pollution to the environment.

The invention belongs to the technical field of preparation of glyceryl monobutyrate, and discloses a distillation method for purifying glyceryl monobutyrate, which comprises the following steps: raw oil is placed in a reaction tank, air in the raw oil is removed through pretreatment, and the raw oil is obtained through esterification reaction of butyric acid and glyceryl ester; short-diameter molecular distillation equipment is adopted to purify the raw oil, the operating temperatures of a film evaporator and a molecular distiller of the short-diameter molecular distillation equipment are controlled not to exceed 95 DEG C, the raw oil is controlled to be 1-2 mL / min, and the vacuum degrees of the film evaporator and the molecular distiller are controlled to be 0-50 mmHg, so that high-purity glyceryl monobutyrate is obtained; in conclusion, based on the molecular distillation method provided by the invention, the impurities such as butyric acid, glycerol, dibutyrin and tributyrin can be effectively removed, so that the peculiar smell of the glyceryl monobutyrate can be effectively reduced, and the purity of the obtained glyceryl monobutyrate finished product is ensured to reach 90% or above.

An enzymatic method for preparing glyceryl butyrate, comprising: (1) carrying out an esterification reaction between n-butyric acid and glycerol using lipase as a catalyst, ethyl acetate and / or ethyl formate as an additive; (2) separating the reaction product, recovering the additive by distillation under reduced pressure to obtain glyceryl butyrate. The invention uses lipase as a catalyst to catalyze the esterification reaction of n-butyric acid and glycerin at normal temperature and normal pressure, reduces the energy consumption of the reaction. Also, the reaction condition is mild, no side reaction happens, and no water-carrying agent is used. In addition, the additive increases the catalytic efficiency of the lipase and the conversion rate of butyric acid.

The invention provides a feed additive for preventing and treating white feces of prawns, wherein the feed additive comprises the raw materials: tannic acid, ursolic acid and butyrin, and the mass ratio of tannic acid to ursolic acid to butyrin is calculated to be (2-4):(1-2):(2-4). The feed additive for preventing and treating white feces of prawns provided by the invention can improve the intestinal health of the prawns by improving the antioxidant capacity of prawn body tissues, effectively prevent the symptoms of white feces of litopenaeus vannamei, or effectively relieve the symptoms of white feces when white feces occurs, and reduce the probability of jejunum empty stomach and mortality of the prawns.

The invention relates to a composite feed additive for restoring baby pig intestine mucosal injury, belonging to the technical field of feed additives for baby pigs. The feed additive comprises 0.1-0.2 part of glutamine, 0.01-0.1 part of butyrin, 0.01-0.1 part of yeast nucleic acid, 0.02-0.2 part of threonine, 0.03-0.3 part of origanum oil, 0.03-0.3 part of chitooligosaccharide, 0.1-0.5 part of active dry yeast, 0.1-0.5 part of Bacillus subtilis, 0.11-0.3 part of vitamin and 5-7.5 parts of carrier. On the basis of the basic principles of baby pig intestinal tract nutrition, intestinal tract immunity and intestinal tract microecology, the invention can effectively restore baby pig intestine mucosal injury, accelerate the growth of baby pigs, and promote the health and immunity of the baby pig intestinal tract, thereby enhancing the survival rate and growth rate of the baby pigs.

The invention discloses a use of an oil and fat composition in preparing pig and poultry feed, a feed additive and a feed. Wherein, the feed additive includes glycerol monobutyrate, glycerol tricaproate, glycerol trilactate and auxiliary materials, wherein, by weight, 0.5 to 1 part of glycerol monobutyrate and 1 part of glycerol tricaproate ~ 2 parts, 1 part trilactide. The technical scheme of the invention can reduce the body fat content of pigs and poultry, increase the percentage of lean meat and poultry breast, and reduce the cost of feed additives.