13 results about "Caprylic/Capric Acid" patented technology

The invention belongs to the technical field of environmental engineering and chemical separation, and particularly relates to a deep-eutectic solvent composition for efficiently extracting phenolic compounds and a preparation method of the deep-eutectic solvent composition. The deep-eutectic solvent composition for efficiently extracting the phenolic compounds, provided by the invention, consists of a hydrogen bond acceptor and a hydrogen bond donor in a molar ratio of (1-2): (1-9), the hydrogen bond donor comprises n-caprylic acid or n-hexyl alcohol; the hydrogen bond receptor comprises 1-ethyl-3-methylimidazole chloride or tetrabutylammonium bromide. The eutectic solvent composition has the advantages of high partition coefficient, low viscosity, high selectivity, rapid phase separation, environmental friendliness and the like, can efficiently extract phenol, resorcinol, o-cresol, m-cresol and p-cresol, and has single-stage extraction efficiency gt; the regeneration rate is high, and the method is suitable for high-concentration phenolic wastewater, polyhydroxy phenolic wastewater, continuous process and low-toxicity emission requirement scenes.

This invention discloses a method for preparing capsaicin-like substances by temperature-responsive eutectic solvent extraction, comprising the following steps: drying Yunnan chili peppers (after removing stems and seeds), pulverizing, sieving, and collecting the chili powder; mixing lidocaine (HBA) with six alkane-chain carboxylic acids (valerate, hexanoic acid, heptanoic acid, octanoic acid, nonanoic acid, and lauric acid) at a 1:1 molar ratio to form a homogeneous and transparent liquid, TRDES; weighing the chili powder, adding it to the TRDES aqueous solution, and extracting by shaking; after extraction, centrifuging, and diluting the supernatant to obtain capsaicin-like substances. This invention uses temperature-responsive eutectic solvent extraction to prepare capsaicin-like substances, which is simple, highly efficient, and allows for the recycling of extraction reagents, effectively saving resources. It has significant practical and industrial value for promoting the large-scale production of capsaicin-like substances and enhancing their high-value applications.

The utility model belongs to capric acid glyceride production equipment technical field, concretely relates to a kind of enzyme synthesis capric acid glyceride reaction kettle, including reaction kettle, agitator, it is characterized by: reaction kettle top is equipped with the quick sampling mechanism installed by tank top flange one, tank top flange two, quick sampling mechanism includes the pipeline system of venturi, suction tube, connecting pipe, wherein the top end of suction tube is connected to venturi throat, the bottom end of suction tube is inserted into the inside of reaction kettle, venturi two ends are connected nitrogen valve and backwash valve respectively, backwash valve connects reaction kettle inside, connecting pipe connects sample release pipe, sample release valve is installed on sample release pipe, nitrogen valve is connected with nitrogen pipeline.The flow of nitrogen in venturi safely and conveniently takes out reaction liquid, effectively improves sampling convenience and safety;Reaction liquid can be circulated in quick sampling mechanism and reaction kettle to avoid sample cross-contamination.

The invention discloses a preparation method of an egg yolk antibody, which comprises the following steps of: preparing a vaccine composition from a porcine epidemic diarrhea virus strain with the microbial preservation number of CGMCC (China General Microbiological Culture Collection Center) NO.46190, inoculating 90-180-day-old laying hens with the vaccine composition to prepare hyper-immune eggs, and extracting the egg yolk antibody in the hyper-immune eggs by using an octanoic acid extraction method. The egg yolk antibody can effectively prevent porcine epidemic diarrhea, is good in specificity, safe and effective, and has a clinical application prospect.

The invention belongs to the technical field of preparation of monoglyceride, and discloses a preparation system of glycerol monocaprylate and a method for preparing glycerol monocaprylate by using the preparation system. The preparation system comprises a feeding system, a loop reaction system and a post-treatment system, wherein the feeding system comprises a weighing type feeding device as well as a glycerol storage tank and an octanoic acid storage tank which are connected to the weighing type feeding device; the loop reaction system comprises a loop reactor, a loop circulating pump, an external circulation heat exchanger and a gas-liquid separation device; the post-treatment system comprises a flash evaporation device, a molecular distillation device and a finished product receiving device; a feed port of the flash evaporation device is connected to a discharge port of the loop reactor, and a discharge port at the bottom of the flash evaporation device is connected with a feed port of the molecular distillation device through a pipeline; a discharge hole in the top of the molecular distillation device is connected with a finished product receiving device. By utilizing the preparation system and the preparation method provided by the invention, the glycerol monocaprylate with high yield and purity can be prepared, and the preparation method is green and efficient.

The invention belongs to the technical field of veterinary drugs, and particularly discloses a permeation enhancer-containing fluralan-moxidectin nano drop and a preparation method thereof, the permeation enhancer-containing fluralan-moxidectin nano drop comprises the following components: fluralan, moxidectin, a permeation enhancer, glycosylglycerol, tocopheryl acetate, a cosolvent, modified chitosan, hydroxy acid salt, an antioxidant and the balance of a solvent; the permeation enhancer is prepared from phytosphingosine, beta-caryophyllene and caprylic / capric triglyceride according to the mass ratio of 1 to (0.2 to 2) to (0.2 to 1.8). According to the invention, the fluralan and the moxidectin are taken as active ingredients, and the permeation enhancer, the glycosylglycerol, the tocopheryl acetate, the modified chitosan, the hydroxy acid salt and the antioxidant are added, so that the permeation effect of the fluralan and the moxidectin is effectively improved, the transdermal absorption effect of the fluralan and the moxidectin is remarkably improved, and the stability of the drops is effectively improved.

The invention provides a method for removing IgA (Immunoglobulin A) and IgM (Immunoglobulin M) in human immunoglobulin for intravenous injection. The method comprises the following steps: S1) dissolving plasma component II + III precipitates to obtain a dissolved solution; s2) precipitating and centrifuging the dissolved solution by adopting n-caprylic acid or sodium caprylate to obtain supernate; s3) performing anion exchange column chromatography on the supernate to obtain first flow-through liquid and first washing liquid; s4) mixing the first flow-through liquid with the first washing liquid to obtain a column chromatography collection liquid; s5) performing strong anion membrane chromatography on the column chromatography collection liquid to obtain second flow-through liquid and second washing liquid; s6) mixing the second flow-through liquid and the second washing liquid to obtain a membrane chromatography collection liquid, and S7) sequentially performing first concentration, dialysis, first sterilization, incubation, ultrafiltration and second sterilization on the membrane chromatography collection liquid to obtain the human immunoglobulin for intravenous injection without IgA and IgM. According to the method disclosed by the invention, the IgA and IgM removal efficiency is remarkably improved through a multi-stage purification process.

This invention discloses a medium-chain fatty acid disinfectant for meat products, its preparation method, and its application. The medium-chain fatty acid disinfectant for meat products, by weight, comprises 0.1-1 parts acidifier, 4-6 parts medium-chain fatty acid, 25-35 parts solubilizer, 10-20 parts plant-derived surfactant, and 38-61 parts water. The medium-chain fatty acid includes at least one of caprylic acid, nonanoic acid, and capric acid, and the solubilizer includes lactic acid. This invention's medium-chain fatty acid disinfectant for meat products uses medium-chain fatty acid as the main bactericidal component, combined with a solubilizer and a plant-derived surfactant. The synergistic solubilization effect of these two components enhances the solubilization effect of the medium-chain fatty acid, further improving the bactericidal effect. Therefore, this invention's medium-chain fatty acid disinfectant maintains excellent bactericidal effect even at low concentrations, and because of the low concentration, it does not cause yellowing of the meat product surface.

The invention discloses anti-blue-light, anti-oxidation and anti-pollution refreshing essence lotion and a preparation method thereof, and belongs to the technical field of skin care product preparation. Every 100 parts of the skin care product is prepared from the following components in parts by weight: 1.0 to 4.0 parts of trehalose, 5.0 to 10.0 parts of coconut oil alcohol-octoate / caprate, 2.0 to 5.0 parts of dibutyl adipate, 0.3 to 1.0 part of tocopheryl acetate, 0.01 to 0.08 part of blue copper peptide, 0.5 to 3.0 parts of a radix scutellariae extract, 5 to 12 parts of a humectant, 0.05 to 0.20 part of a thickening agent, 1.0 to 3.0 parts of a volatile solvent, 2 to 4.2 parts of an emulsifier, 0.55 to 1.15 parts of an anti-corrosion stabilizer and the balance of water. The essence lotion provided by the invention can synchronously realize triple protection effects of blue light resistance, pollution resistance and oxidation resistance, has extremely fresh and cool skin feeling which can be quickly absorbed and is not sticky and not greasy, and is particularly suitable for long-term daily use of oily and mixed skin.

The invention discloses dog serum immune globulin and albumin as well as a preparation method and application thereof, and relates to the technical field of biological products. The preparation method comprises the following steps: caprylic acid precipitation, one-step anion exchange chromatography, ultrafiltration concentration and virus inactivation: diluting dog serum to adjust the pH value, adding caprylic acid to precipitate impure protein, carrying out Capto Q anion exchange chromatography on the supernatant, collecting the flow-through liquid to obtain an immune globulin component, eluting with a buffer solution containing 0.2 M NaCl to obtain an albumin component, and carrying out one-step anion exchange chromatography on the albumin component. And respectively carrying out targeted ultrafiltration concentration and virus inactivation treatment to synchronously obtain two products. The process is simple and efficient, the defects of multi-step chromatography or a complex precipitation method are avoided, and the production cost is low; the purity of the prepared immunoglobulin is greater than or equal to 96%, the purity of albumin is greater than or equal to 96%, the recovery rate is in a reasonable range, the product quality is stable, and the safety requirements of biological products are met. The immune globulin and albumin can be applied to preparation of veterinary biological products, and efficient utilization of dog serum resources is realized.

The invention relates to the technical field of functional food processing, in particular to sheep colostrum composite freeze-dried powder capable of assisting in reducing blood sugar and a preparation method of the sheep colostrum composite freeze-dried powder. According to the invention, lactobacillus helveticus and lactobacillus plantarum are compounded and cooperated to carry out biological conversion on sheep colostrum fermentation, so that release of substances such as hexanal and octanoic acid of goaty odor precursor substances can be reduced, and bad fishy odor of sheep colostrum can be effectively improved in sense; through cooperation with the fermented Chinese yam and poria cocos, the fishy smell of the sheep colostrum can be remarkably reduced in the aspects of smell and taste from the aspects of release reduction, blending and the like, and the bad flavor is improved. The sheep colostrum fermented by compounding lactobacillus helveticus and lactobacillus plantarum, and the Chinese yam and poria cocos fermented by lactobacillus plantarum are compounded, so that the sheep colostrum has a synergistic blood sugar reducing effect, and can be used for preparing products for assisting in reducing blood sugar.

The invention discloses a method for preparing horse-derived immune globulin F (ab ') 2 by a sodium caprylate precipitation process, and belongs to the technical field of biological pharmacy and plasma immune globulin separation and purification. According to the method, horse source immune plasma is used as a raw material, enzymatic hydrolysate containing immune globulin F (ab ') 2 is obtained through protease enzymolysis, sodium caprylate is added to serve as a selective precipitator, non-target impure protein is selectively precipitated, and target protein F (ab') 2 is kept in the solution. After a clear feed liquid is obtained through solid-liquid separation, membrane separation or chromatographic purification treatment can be further carried out according to needs, and a horse-derived immunoglobulin F (ab ') 2 product is obtained. The precipitate formed by the invention is suitable for industrial filtration operation, solves the problems of low recovery rate of the existing ammonium sulfate precipitate and difficulty in filtration of the free octanoic acid precipitate, improves the feasibility and stability of the process, and improves the product recovery rate.

The invention discloses leg essence containing rutin, the leg essence is a double-phase essence, and the leg essence is composed of an oil phase and a water phase according to a weight ratio of (1-4): (2-7), the water phase is prepared from the following components in parts by weight: 0.01 to 1.5 parts of rutin liposome, 0.1 to 5 parts of grape vine extract, 0.1 to 3 parts of microcirculation dynamic factors, 0.1 to 4 parts of jania rubens extract, 0.5 to 1.5 parts of hexanediol, 0.5 to 0.8 part of p-hydroxyacetophenone, 1 to 8 parts of 1, 2-pentanediol, 0.2 to 1 part of thickening agent and the balance of water; the oil phase is prepared from the following components in parts by weight: 0.1 to 6 parts of abelmoschus manihot essential oil, 1 to 10 parts of plukenetia volubilis seed oil, 1 to 10 parts of pumpkin seed oil, 0.1 to 5 parts of zingiber zingiberensis extract, 0.1 to 3 parts of grapefruit essential oil, 20 to 50 parts of coconut oil alcohol-octoate / caprate, 20 to 40 parts of isopropyl myristate and 10 to 30 parts of squalane. The components in the formula supplement each other and have a synergistic effect, the conditions of leg edema and obesity are effectively improved, the water storage capacity of the skin is promoted, blood circulation and metabolism are promoted, and the oil is not greasy.