94 results about "Medium chain fatty acid" patented technology

The invention discloses a method and a system for producing high-purity medium-chain fatty acid (MCFA) based on waste molasses two-stage regulation fermentation. Comprising the following steps: (1) diluting waste molasses, then adding a compound enzyme agent of pectinase, beta-glucanase and cellulase, and coupling microwave to assist treatment; (2) inoculating the pretreated waste molasses with a composite flora containing a clostridium kluyveri mutant strain and a Megasphaera elsdeni engineering bacterium, and carrying out a fermentation treatment on the waste molasses, wherein the composite flora contains the clostridium kluyveri mutant strain and the Megasphaera elsdeni engineering bacterium; (3) sequentially performing two-stage dynamic regulation and control fermentation on the waste molasses inoculated with the composite flora through a pH-stat control strategy to realize efficient conversion from butyric acid to hexanoic acid / octanoic acid; and (4) a hydrophobic hollow fiber membrane module is adopted to realize on-line removal of the product, and the inhibition effect of the product is relieved. According to the technology, the yield of the MCFA produced from the waste molasses reaches 0.45 g / g COD, the cost is reduced by 68% compared with that of a traditional substrate, and a new way is provided for recycling of sugar manufacturing waste.

The present invention relates to a pharmaceutical composition for oral administration comprising a GLP receptor agonist or a pharmaceutically acceptable salt or derivative thereof, one or more penetration enhancers, one or more mucous membrane adhesives, and one or more basifying agents. More preferably, the penetration enhancer is a penetration enhancer based on medium chain fatty acids.

The application belongs to the technical field of functional food, and particularly discloses a meal replacement powder for weight loss of obese patients and a preparation method thereof. The meal replacement powder comprises whey protein powder, composite dietary fiber (containing at least two kinds of konjac powder and the like), functional carbohydrate, functional fat (containing medium-chain fatty acid and the like), and composite vitamins, minerals, functional additives (L-carnitine and the like), and stability additives. The preparation comprises raw material pretreatment, small material premixing, large material mixing, microencapsulation of fat-soluble components, total mixing, sterilization and packaging, and the key lies in that the fat-soluble components are wrapped by wall materials and spray dried into microcapsules. The meal replacement powder can balance nutrition, strengthen satiety, promote fat metabolism, avoid muscle loss and electrolyte imbalance, has a shelf life of 12 months at room temperature, has good palatability, has good weight loss effect (average weight loss of 5.8 kg in 2 months), has no adverse reactions, and is suitable for long-term weight loss diet management of obese patients.

Plants producing seeds and seeds comprising increased medium chain fatty acid content are provided. Oil compositions that are produced from the seeds are also provided. Additionally, methods for generating and using plants, seeds, and oil compositions having increased medium chain fatty acid content are disclosed.

The present application relates to the organic wastewater and greenhouse gas carbon dioxide resource utilization, biological energy and biological electrochemical engineering cross technical field, disclose a kind of system and method for preparing middle chain fatty acid and sustainable aviation fuel in cooperation, system with organic wastewater as carbon source and electron donor, short-chain organic acid is converted into middle chain fatty acid by anaerobic microorganism carbon chain extension reaction, and is separated in situ by liquid membrane extraction and enriched;Enriched product is introduced into microbial electrosynthesis reactor, and further carbon chain extension is carried out by anode Kolbe electrolysis catalysis, and C10-C14 sustainable aviation fuel is prepared;Carbon dioxide is used as carbon source in cathode, and is converted into acetic acid by microbial catalysis, and carbon chain extension is carried out again by co-fermentation with organic wastewater.The present application realizes the synergic integration of organic wastewater treatment, carbon dioxide resource utilization and high value-added fuel preparation, and has high resource utilization degree, high carbon utilization efficiency and significant environmental benefits.

The application discloses a preparation method of medium and long chain fatty acid triglyceride, and belongs to the technical field of oil deep processing. Firstly, plant oil and medium chain fatty acid triglyceride are used as substrates, a low eutectic solvent is used as a reaction medium, and an ester exchange reaction is carried out under the catalysis of immobilized lipase; after the reaction is completed, centrifugal treatment is carried out, and the low eutectic solvent, the immobilized lipase and the reaction product are recovered respectively; the recovered low eutectic solvent and the immobilized lipase are used for the next batch of reaction, and the recovered upper oil phase is the reaction product. The application uses immobilized lipase to catalyze ester exchange to prepare medium and long chain fatty acid triglyceride in a low eutectic system, the substrate conversion rate and the product generation amount are high, the product separation is easy, further separation and purification are not needed, the low eutectic solvent is green, environment-friendly and reusable, and the method has good ecological, economic benefits and industrialization application prospects.

The invention belongs to the technical field of treatment and recycling of breeding tailings, and particularly relates to a bacterial strain for producing medium-chain fatty acid and a device and a method for preparing the medium-chain fatty acid. The bacterial strain for producing the medium-chain fatty acid is enterobacter YTLJ-N-S18; the enterobacter YTLJ-N-S18 is preserved in Guangdong Microbial Culture Collection Center on July 5, 2021, the preservation number is GDMCC No: 61773, the enterobacter is classified and named as Enterobacter sp., and the preservation address is Guangzhou in China. According to the method, the medium-chain fatty acid-producing efficient bacteria are utilized, the original fermentation process of solid wastes such as tailings of a breeding system is changed, and a new breeding solid waste treatment mode is finally realized.

To provide a food product with reduced adhesion, an oil composition for manufacturing the food product, a method for manufacturing the food product, and a method for reducing the adhesion of a food product.SOLUTION: A food product comprising an oil composition containing an emulsifier with an HLB of 3-8 at 0.05-15 mass% and edible oil at 80-99.95 mass% is provided. The edible oil contains an oil composition comprising medium-chain fatty acid triglycerides with 6-12 carbon atoms as constituent fatty acids at 50-100 mass%. The food product has a hardness of 200-20,000 N / m2 and an adhesion of 1,500 J / m3 or less. Further, a method for manufacturing a food product having a hardness of 200-20,000 N / m2 and an adhesion of 1,500 J / m3 or less, comprising the step of mixing the oil composition is provided. Furthermore, a method for reducing the adhesion of a food product by mixing the oil composition, and the oil composition for manufacturing the food product are provided.SELECTED DRAWING: None

The invention discloses a method for producing medium-chain fatty acid through a core-shell structure magnetic polymer material reinforced biological carbon chain lengthening reaction, which comprises the following steps: by taking a perishable organic solid waste as a raw material, adding core-shell structure magnetic polypyrrole, adding a culture medium solution containing a substrate, adding a domesticated inoculum, and carrying out a reaction for 2-3 hours; a fermentation system for producing hexanoic acid through biological carbon chain lengthening is constructed for reaction, the reaction temperature is 30-40 DEG C, and the pH value is weak acidity; according to the magnetic polypyrrole with the core-shell structure, ferroferric oxide is used as a core, and polypyrrole is used as a shell; the problems that single magnetic particles are agglomerated, magnetic components are prone to loss, and traditional materials are difficult to recycle and large in adding amount are solved, and the performance stability and the reaction promoting capacity are enhanced by means of the structural advantages of the materials. Meanwhile, the efficiency of the carbon chain lengthening reaction and the yield of medium-chain fatty acid are remarkably improved, and high-valued conversion of the perishable organic solid waste is achieved.

The present invention relates to a composition for preventing and treating viral infection of the family of African swine fever viruses, in particular, a composition for treating, inhibiting and / or preventing viral infection of the family of African swine fever viruses (Asfaraviridae), preferably African swine fever virus, characterized in that the composition comprises one or more medium-chain fatty acids (MCFAs) and / or derivatives thereof.

This invention relates to ketogenic nutritional powder containing medium- and long-chain fatty acid triglycerides, its preparation method, and its application. It belongs to the field of food science and engineering technology. It uses enzymatically synthesized medium- and long-chain fatty acid triglyceride structured lipids as the sole fat source, which is different from the traditional physical mixture of long-chain triglycerides and medium- and long-chain oils. Medium-chain fatty acids and long-chain fatty acids are simultaneously bound to the same glycerol molecule. Fatty acid digestion and absorption are synchronized and metabolized, which can give full play to the synergistic nutritional advantages. It retains the characteristics of medium-chain fatty acids that provide rapid energy and are not easy to accumulate in body fat, while also supplementing essential fatty acids such as linoleic acid and α-linolenic acid. At the same time, it overcomes the disadvantages of pure medium-chain fatty acid oils that cause great gastrointestinal irritation and have a low smoke point.

The invention belongs to the technical field of food processing, and relates to a preparation method and application of astaxanthin emulsion gel. The invention provides a preparation method of astaxanthin emulsion gel, which comprises the following steps: taking an ovalbumin and beet pectin compound solution obtained through electrostatic interaction under a specific pH value as a water phase, taking medium-chain fatty acid containing astaxanthin as an oil phase, and mixing the oil phase with the ovalbumin and beet pectin compound solution to obtain the astaxanthin emulsion gel. The preparation method comprises the following steps: carrying out homogenization treatment on a blend of a water phase and an oil phase by using a high-speed dispersion machine to obtain a primary emulsion, carrying out ultrasonic treatment on the primary emulsion to obtain an emulsion, adding calcium ions into the emulsion, uniformly mixing, and carrying out crosslinking and phase change on the emulsion to obtain the astaxanthin emulsion gel. According to the astaxanthin emulsion gel disclosed by the invention, the storage stability of the astaxanthin can be remarkably improved, so that more astaxanthin is migrated to a water phase in an intestinal digestion process, the bioavailability of the astaxanthin is improved, and the antioxidant activity in vivo is remarkably improved compared with that of free astaxanthin.

The invention provides mixed structure grease for promoting skeletal development and improving bone mineral density as well as a preparation method and application of the mixed structure grease. The mixed structure grease for promoting skeletal development and improving bone mineral density comprises the following components in percentage by mass: 2-10% of medium-chain fatty acid triglyceride, 10-50% of medium-long-chain fatty acid triglyceride and 40-90% of long-chain fatty acid triglyceride. The traditional Chinese medicine composition can effectively promote skeletal development and improve bone mineral density.

The invention belongs to the technical field of biochemical engineering, and particularly relates to a method for preparing medium-chain fatty glyceride through double-enzyme catalysis. The method provided by the invention comprises the following steps: firstly, catalyzing raw materials such as coconut oil to be completely hydrolyzed by utilizing lipase, and separating medium-chain fatty acid with the purity of more than or equal to 99.5% by adopting a molecular distillation cooling crystallization technology; then, high-purity fatty acid and glycerol are used as substrates, immobilized lipase is used as a catalyst, directional esterification is performed in a reactor provided with a dehydration membrane block, and the water activity of the system is controlled to be 0.1-0.3. The content of medium-chain fatty glyceride in the final product is higher than 98%, and the final product does not contain long-chain fatty acid impurities. The process is green and energy-saving, the catalyst can be recycled, the economical efficiency is good, and an innovative solution is provided for large-scale production of the high-purity structured lipid.

The invention discloses an anthocyanin ingredient containing milk fat globules and a preparation method thereof.The preparation method comprises the specific steps that the milk fat globules are extracted from fresh raw milk, anthocyanin and the milk fat globules are added into deionized water to be emulsified, and the anthocyanin emulsion type ingredient containing the milk fat globules is obtained; wherein anthocyanin in the ingredients and a fat membrane of the milk fat globules form a specific structure, and the specific structure is rich in long-chain unsaturated fatty acid and medium-chain fatty acid in a specific ratio of 1: (7-10) after being digested by in-vitro simulated gastrointestinal fluid. The anthocyanin ingredient containing the milk fat globules is a novel stable emulsion taking the natural milk fat globules as an anthocyanin carrier, is particularly suitable for being used as an ingredient of nutritional and healthy food, and is wide in application range. And the preparation method adopts a probe type ultrasonic combined high-speed shearing technology, so that the obtained emulsion is better in dispersity and stability, simple, efficient, green and safe.

The pharmaceutical compositions described herein include a suspension which comprises an admixture in solid form of a therapeutically effective amount of a therapeutic agent and at least one salt of a medium chain fatty acid and a hydrophobic medium, e.g. castor oil or glyceryl tricaprylate or a mixture thereof. The pharmaceutical compositions described herein contain medium chain fatty acid salts and are substantially free of alcohols. The pharmaceutical compositions may be encapsulated in a capsule. Methods of treating or preventing diseases by administering such compositions to affected subjects are also disclosed.

The invention belongs to the technical field of functional grease preparation, and discloses a preparation method and application of medium-chain and long-chain fatty acid triglyceride. The preparation method comprises the following steps: taking mixed vegetable oil; adding water and heating to obtain an oil-water mixture; filling the immobilized lipase into a glass column with external circulating water heating for preheating; injecting the oil-water mixture from the upper part of the immobilized enzyme column to carry out enzyme hydrolysis reaction; collecting a hydrolyzed oil crude product, and separating free fatty acid; taking medium chain triglyceride, mixing, and injecting into the immobilized enzyme column for esterification reaction; and removing reaction by-products to obtain the medium and long chain fatty acid triglyceride rich in omega-3 / 6 / 9 equilibrium proportion. The product prepared by the method contains medium-chain fatty acid and long-chain fatty acid at the same time, the proportion of different fatty acids is more balanced, the health requirement of a human body on fatty acid intake is met, the immobilized enzyme column technology is used in a solvent-free system, the steps of lipase and oil separation are simplified, the service life of enzyme is remarkably prolonged, and the method is suitable for industrial production. The energy consumption and pollution emission are reduced, the production cost is reduced, and the modern industrial green development concept is met.

An object of the present application is to provide a new composition for promoting ketogenesis. According to the present application, there is provided a composition for promoting ketogenesis containing one or two or more amino acids selected from the group consisting of citrulline, leucine, cysteine, taurine, glutamine and aspartic acid. The composition of the present application can further contain either or both of a medium-chain fatty acid and a medium-chain fatty acid ester.

The invention relates to chicken meal type micropterus salmoides feed and a preparation method thereof, and belongs to the technical field of aquatic feed. The feed comprises the following components in percentage by weight: 15-40% of chicken meal; 5-15% of fish meal; 10-30% of a plant protein source; 20-40% of an energy source; 0.3 to 1.5 percent of crystalline amino acid; 0.01%-0.5% of a composite antioxidant; and 1.5 to 5.5% of a functional additive. The core of the invention is to successfully solve the two technical bottlenecks of poor palatability and amino acid imbalance caused by high-proportion replacement of fish meal by chicken meal through systematic compatibility. Specifically, basic food calling performance is provided by retaining a specific proportion of fish meal; an ideal amino acid spectrum is remodeled by adding crystalline amino acids of specific types and proportions; fat oxidation and peculiar smell generation of the chicken powder are effectively inhibited by adopting a composite antioxidant system consisting of natural vitamin E, rosemary extract and medium-chain fatty glyceride.

The invention belongs to the technical field of sludge treatment, and provides a method and a system for strengthening sludge cracking and producing medium-chain fatty acid. The method comprises the following steps: concentrating sludge, mixing the concentrated sludge with halogenated hydantoin, and cracking to obtain cracked sludge; and carrying out two-stage fermentation treatment on the cracked sludge to obtain the medium-chain fatty acid. According to the method, halogenated hydantoin is adopted as a pretreatment agent for cracking the sludge, and through spontaneous combination of halogenated hydantoin molecules and the sludge extracellular polymeric substances, tight combination type extracellular polymeric substances and cell walls are remarkably oxidized and damaged; meanwhile, hypochlorous acid is slowly released to maintain a proper oxidative stress effect to stimulate the biological metabolism effect of anaerobic microorganisms, hydrolysis and acidification of organic matters are promoted, and a large number of electron acceptors are provided for microorganisms participating in carbon chain extension to produce MCFA subsequently. The method is simple, low in cost, small in medicament demand and beneficial to promoting efficient resource utilization of the sludge.

The invention relates to the technical field of functional food processing, in particular to a high-protein high-fiber NAD < + > activated meal replacement bar and a preparation method thereof. The feed comprises the following components in parts by weight: 25-35 parts of animal protein, 10-15 parts of vegetable protein, 15-25 parts of soluble dietary fiber, 6-10 parts of chenopodium quinoa expanded balls, 4-8 parts of coix seed powder, 4-8 parts of Chinese yam powder, 3-5 parts of chia seeds, 4-6 parts of medium-chain fatty acid, 10-15 parts of isomaltooligosaccharide syrup, 0.4-1.3 parts of a pH regulator, 2-4 parts of triglyceride, 4.2-7 parts of sorbitol and 8-12 parts of water. A cold processing technology is adopted to carry out staged mixing and staged gradient cold pressing processing forming, a fence technology is applied to construct a triple barrier, and ultraviolet sterilization post-treatment is carried out, so that the meal replacement bar is prepared. The method has the advantages that a compound protein system is adopted, and PDCAAS score and water binding capacity are both considered; the compactness and the structural uniformity of the product are improved; and the production process is optimized.

The present application belongs to the technical field of sewage treatment, and discloses a method for simultaneously producing medium-chain fatty acids and hydrogen by enhancing sludge anaerobic fermentation. The sludge is concentrated and mixed with alkaline biochar, and then potassium ferrate is added for reaction to obtain pretreated sludge. After adjusting the pH, the sludge is mixed with an electron donor and inoculated sludge for anaerobic fermentation to obtain a fermentation liquor rich in medium-chain fatty acids and hydrogen. The alkaline biochar-potassium ferrate coupling system is used to break down the extracellular polymeric substance and cell wall of the sludge, drive the dissolution of particulate organic matter, and inhibit the activity of methanogens. Fe2O3 derived from potassium ferrate forms an iron-carbon composite with biochar in situ, and by enhancing the efficiency of electron transfer and enzyme activity, the acidification process of organic matter and the carbon chain extension reaction are promoted, forming a composite technology with three functions of "pretreatment-electron regulation-methane inhibition", realizing the simultaneous recovery of medium-chain fatty acids and hydrogen, and improving the sludge treatment efficiency.

The present application belongs to the technical field of organic waste anaerobic fermentation, and discloses a method for producing medium-chain fatty acids by using blue vitriol to promote residual sludge anaerobic fermentation, which uses residual activated sludge from a municipal sewage treatment plant as a fermentation substrate, inoculates anaerobic sludge, adds blue vitriol and a methanogenesis inhibitor, adjusts pH value, and carries out anaerobic fermentation to produce medium-chain fatty acids under the participation of an electron donor; due to the addition of blue vitriol, the electron transfer capacity of microorganisms in the carbon chain extension process can be strengthened, thereby improving the yield of medium-chain fatty acids in the fermentation product; the addition amount of blue vitriol in the system is 2-20 g / L. By introducing blue vitriol into the sludge medium-chain fatty acid production system and strictly controlling the addition amount of blue vitriol in the system, the present application uses blue vitriol as an electron mediator to strengthen the electron transfer efficiency of microbial fermentation in the sludge medium-chain fatty acid production process, thereby improving the yield of medium-chain fatty acids, and further realizing efficient utilization of sludge resources.

The present invention addresses the problem of providing technology that can reduce off-flavors derived from free medium-chain fatty acids in aqueous-phase-containing foods containing triglycerides that contain medium-chain fatty acids as constituent fatty acids.　The present invention provides a food composition, said food composition comprising an oil phase and aqueous phase and comprising a prescribed amount of one or more components selected from the group consisting of allyl isothiocyanate, 1-hexanol, 2-heptanone, and butyric acid, wherein the oil phase contains a medium-chain fatty acid, and the medium-chain fatty acid is in the form of a triglyceride constituent fatty acid and / or in the form of a free medium-chain fatty acid.

The application belongs to the technical field of biological medicine, and particularly relates to a medium-chain fatty acid composition for improving immunity of calves and a preparation method thereof. The medium-chain fatty acid composition for improving immunity of calves according to the application comprises, in terms of weight fractions, 20-30 parts of lactose, 5-10 parts of medium-chain fatty acid, 1-3 parts of mangiferin derivative, 0.5-2 parts of wedelolactone and 0.2-1 part of vitamin C. The mangiferin derivative according to the application can relieve local inflammatory reaction of the intestinal tract, repair the intestinal mucosal barrier damaged by stress, and enhance the non-specific immune capacity of the body. The wedelolactone according to the application forms a double synergy with the lactose and the medium-chain fatty acid, greatly improves the utilization efficiency of energy and nutrients, and thus promotes the growth and development of the calf. In addition, the wedelolactone can also synergize with the mangiferin derivative, maintains the intestinal health of the calf in the early weaning period, and significantly weakens the weaning stress impact.

The invention provides mixed structure grease easy to digest and absorb as well as a preparation method and application thereof, and the mixed structure grease easy to digest and absorb comprises the following components in parts by weight: 0.1-0.4 part of 1, 3-dioleic acid-2-palmitic acid triglyceride, 0.05-0.35 part of 1-oleic acid-2-palmitic acid-3-linoleic acid triglyceride, 0.1-0.7 part of 1, 2-dipalmitic acid-3-oleic acid triglyceride, 0.1-0.4 part of 1, 3-dioleic acid-2-palmitic acid triglyceride, 0.05-0.35 part of 1-oleic acid-2-palmitic acid triglyceride, 0.05-0.35 part of 1-oleic acid-2-palmitic acid triglyceride, 0.1 and 0.02 to 0.11 part by weight of 1, 3-dioleic acid-2-medium chain fatty acid triglyceride. The digestion and absorption performance of the mixed structure grease is improved.

The invention discloses MLCT grease for improving the stability of an ice cream milk base and a preparation method of the MLCT grease. The MLCT grease is prepared by directionally hydrolyzing grease containing conjugated linolenic acid and then directionally esterifying medium-chain fatty acid and palmitic acid at sn-1 and sn-3 positions. In the CLnA-enriched sn-2 MLCT structure ester constructed by the invention, sn-2 site fatty acid is mainly CLnA and accounts for 13-15% of the total amount of fatty acid, medium-chain fatty acid accounts for more than 30% of the total amount of fatty acid, and the content of MLCT accounts for more than 93% of the total amount of fatty acid. The CLnA-enriched sn-2 MLCT structure ester prepared by the invention is added into a basic formula of ice cream, so that the bleeding rate of the ice cream can be reduced by 10% or more, the expansion rate can be increased by 8% or more, and the melting rate is also improved.

The present application belongs to the technical field of enteral nutrition preparation, and particularly relates to an enteral nutrition supplement for hyperlipidemia, a preparation method and application thereof. The enteral nutrition supplement comprises the following raw materials: medium-chain triglyceride, camellia chrysanthemum culture and cherry blossom polyphenol, and further comprises protein 15-25 parts, carbohydrate 40-50 parts, compound vitamin 0.01-0.05 parts and mineral 1-5 parts. The prepared enteral nutrition supplement is composed of a fat system completely formed by medium-chain fatty acid ester, and the blood fat is improved by synergistic effect of the camellia chrysanthemum culture and the cherry blossom polyphenol, so as to solve the application problem of traditional long-chain fat nutrition support under specific pathological conditions such as fatty liver, chylous fistula and chronic pancreatitis.

The present application relates to the technical field of livestock feed, and discloses a low-protein feed preparation method for laying hens based on net energy and mineral regulation, which comprises a basic daily ration, a natural intestinal health promoting mineral compound and a functional additive, the basic daily ration is set to a low net energy level, and the sodium-potassium-chlorine electrolyte balance value is strictly controlled, the compound lipid emulsified energy source microcapsule powder in the functional additive releases medium-chain fatty acids in the early stage of the intestinal tract, and the medium-chain fatty acids are absorbed synchronously with free amino acids to improve the utilization rate of crude protein and reduce the corruption of the posterior intestinal tract, activated montmorillonite and natural clinoptilolite are used to cooperatively regulate the osmotic pressure of the intestinal tract, reduce the incidence of watery feces and ammonia emission, L-cystine is crosslinked in the oviduct to form a disulfide bond network skeleton, the expansion effect of selenium-rich tourmaline powder on microvessels is combined, the compression strength of the eggshell and the selenium content of the yolk are effectively improved, and the present application significantly reduces the feed-to-egg ratio, improves the intestinal health and the quality of the end product.

This invention relates to a method and apparatus for producing medium-chain fatty acids via electrofermentation using oxide high-entropy ceramic modified electrodes. The method and apparatus of this invention can yield electrodes with high electron transfer efficiency, good biocompatibility, low cost, and excellent electrochemical characteristics, thereby improving the production efficiency of medium-chain fatty acids.