233results about "Fatty acid esterification" patented technology

In the present invention, a novel synthesis method for fatty acid methyl esters and fatty acid ethyl esters is provided. More specifically, a fatty oil composition obtained from dry insects by mechanical treatment is reacted with an aliphatic alcohol in the presence of an alkali metal alkoxide, such as methoxide or ethoxide, to obtain fatty acid methyl esters (FAME) or fatty acid ethyl esters (FAEE).

The present invention relates to light-colored corn wax oxides, to a process for their preparation, and to their use for agricultural or forestry purposes, as additives in plastic processing, in care products, in printing inks and / or in paints, and to saponified or esterified corn wax oxides prepared by saponification or esterification of the said corn wax oxides.

The present invention relates to a confectionery product comprising 20% to 70% by weight of a sweetener; and 20% to 70% by weight of a plant-based fat phase; wherein the plant-based fat phase has from 1.0% to 10.0% by weight of total lauric acid (C12: 0) and myristic acid (C14: 0); and from 20.0% to 70.0% by weight of total palmitic acid (C16: 0) and stearic acid (C18: 0); the percentage of acid is an acid bound as an acyl group in the glyceride of the plant-based fat phase and based on the total weight of C8 to C24 fatty acids; total palmitic acid (C16: 0) and stearic acid (C18: 0) in the second position of the triglycerides, which accounts for at least 1.0% of the percentage of total palmitic acid (C16: 0) and stearic acid (C18: 0) in the triglycerides of the plant-based fat phase (Sn-2 total palmitic acid and stearic acid%); up to 10.0% by weight of a total CN32 triglyceride, CN34 triglyceride, CN36 triglyceride, CN38 triglyceride, and CN40 triglyceride; the plant-based fat phase is based on total triglycerides present in the plant-based fat phase. The invention also relates to a method for preparing said confectionery product.

The present application provides a kind of waste oil transesterification reaction catalytic system, belong to biomass refining field.The preparation steps of catalyst include: in the solution containing Ni (NO3) 2 And Fe (NO3) 3 Carboxymethyl cellulose is added, then urea is added, reaction is carried out, and nano-porous NiFe2O4 is obtained, MgCl2 / ZnCl2 Solution and KOH / K2CO3 Solution are added to NiFe2O4 water dispersion, reaction is carried out, solid product is collected, calcination is carried out, and catalyst is obtained.Catalyst is added to waste oil to carry out catalytic reaction.The present application adopts carboxymethyl cellulose to regulate the crystal form, grain size and dispersity of catalyst carrier, and the obtained solid magnetic catalyst can improve the production efficiency of waste oil for preparing biodiesel.The catalyst has high active site, fast reaction rate, mild reaction condition, can reduce reaction energy consumption and production cost.The catalyst also has good magnetic property, is convenient for recovery.The catalyst has good stability, improves the controllability and stability of reaction.

The utility model relates to the technical field of deep processing of grease, in particular to a transesterification grease treatment device which comprises a separation device and a vacuum heating device, a funnel is arranged at a top inlet of the separation device and penetrates through the separation device, and the lower end of the funnel is suspended; a first outlet and a second outlet are formed in the side wall of the separation device, and the separation device is connected with a vacuum heating device through the first outlet; a heating structure, a third outlet and a fourth outlet are arranged in the vacuum heating device, and the third outlet and the fourth outlet are arranged on the side wall of the vacuum heating device. According to different conditions of the oil-water separation layer, the flowing-out position of the grease can be accurately adjusted, the oil-water separation accuracy is improved, meanwhile, impurities such as water and methyl alcohol in the grease are effectively removed, and the purity of the grease is remarkably improved.

The invention relates to the production of a triglyceride with Palmitic acid (P) in the middle position (XPX). A first transesterification process is used to produce a vegetable fat composition rich in palmitic acid and said intermediate composition is then further processed to produce triglycerides having a high proportion of its palmitic acid in the middle position.

Edible, pourable, fat-containing product, preferably in the form of a water-in-oil emulsion or a full fat product, comprising 40 to 99.9 wt. % liquid vegetable oil; 0.1 to 10 wt. % of hard stock fat; water up to 100 wt. %, wt. % calculated on the total weight of the product, wherein the hard stock fat is free from palm or palm-derived fats or fat fractions; free from hydrogenated fats or fat fractions and has a C22:0 (behenic acid) content of at least 10 wt. %, wt. % calculated on the amount of fatty acids in the hard stock.

The invention of a process of producing biofuel using microorganisms and carbon dioxide extracted from industrial chimneys includes the separation and purification of carbon dioxide utilizing absorption and disposal towers and the use of solvents such as monoethanolamine. The purified CO2 is then injected into the cyanobacteria cultivation system in shallow pools with insulated walls and a glass or polycarbonate coating. Through aeration and mechanical stirring, photosynthesis and the growth of cyanobacteria, such as the Synechocystis sp. PCC 6803, is maximized. The cyanobacteria biomass is separated using centrifugation, dried, and ground. The lipids present in the biomass are extracted using solvents such as hexane or methanol under controlled conditions. The extracted lipids are then converted into biodiesel in a chemical reactor through a transesterification process with alcohol and a catalyst, while glycerol is collected as a by-product for use in the cosmetic and personal care industries.

Use of a compound having the formula (1), (2), (3), or (4) or combinations thereof, for providing a source of butyrate with improved organoleptic properties wherein R1, R2, R3, R4, R5 and R6 are independently a long chain fatty acid having between 16 and 20 carbons.

The invention relates to a caramel composition comprising a dairy milk source and / or a plant-based milk source; a carbohydrate; and a plant-based fat composition wherein the plant-based fat composition has: at most 40.0% by weight of oleic acid (C18:1); and from 17.5% to 49.5% by weight of total palmitic acid (C16:0) and stearic acid (C18:0); said percentages of acid referring to acids bound as acyl groups in glycerides of the plant-based fat composition and being based on the total weight of C8 to C24 fatty acids; a percentage of total lauric acid (C12:0) and myristic acid (C14:0) on the second position of triglycerides out of total lauric acid (C12:0) and myristic acid (C14:0) (Sn-2 total lauric acid and myristic acid %) in the triglycerides of the plant-based fat composition of from 30.0% to 55.0%; at most 30.0% by weight of CN54 triglycerides; based on total triglycerides present in the plant-based fat composition. The invention also relates to a process for preparing a caramel product, a caramel product and use of the caramel product.

The present invention addresses the problem of providing: an oil or fat for chocolates, which has bloom resistance at a level similar to conventional CBE, and in which the change in viscosity in a tempering process is small; and a chocolate using the oil or fat. The present invention preferably addresses the problem of further providing: an oil or fat for chocolates, which has good tempering properties under wide range of tempering conditions; and a chocolate using the oil or fat. The problems can be solved by an oil or fat for chocolates, which satisfies all of requirements (A)-(D). (A): The St2O triglyceride content is 10-50 wt%. (B): The ratio of the StStO triglyceride content to the St2O triglyceride content is at most 10 wt%. (C): The P2O triglyceride content is at least 3 wt%. (D): The ratio of the PPO triglyceride content to the P2O triglyceride content is at least 23 wt%.

The present invention relates to a fat composition comprising at least 30 wt% of stearic acid (C18:0) and at least 45 wt% of saturated fatty acids (SAFA); and wherein the fat composition comprises 1.0 to 8.0 wt% of SSS triglycerides and at most 10.0 wt% of UUU triglycerides, and the weight ratio of S2U triglycerides to SSS triglycerides of the fat composition is 6.0 to 20.0 and the weight ratio of S2O triglycerides to S2L triglycerides is at most 30.0; wherein S is a saturated fatty acid, U is an unsaturated fatty acid, O is oleic acid and L is linoleic acid. The present invention further relates to a fat blend comprising the fat composition as hard stock, wherein the fat blend is further used in a water-in-oil emulsion product, such as a margarine or a spread.

A non-hydrogenated fat composition comprises: from 3.2% to 10% by weight of total caprylic acid (C8:0) and capric acid (C10:0); from 13% to 32% by weight lauric acid; and from 20% to 45% by weight stearic acid (C18:0) fatty acid residues; the percentages of acids referring to acids bound as acyl groups in glycerides in the fat composition and being based on the total weight of C8 to C24 fatty acids; and from 7% to 15% by weight CN46 triglycerides; from 4% to 30% by weight CN54 triglycerides; and from 15% to 28% by weight of total CN42 triglycerides and CN44 triglycerides; the percentages of triglycerides referring to the total triglycerides present in the composition.

The invention relates to the technical field of biodiesel, in particular to high-calorific-value biodiesel based on a modified formula and a preparation method thereof.The preparation method comprises the following steps that S1, catering waste grease is pretreated, and pretreated catering waste grease is obtained; s2, carrying out esterification treatment on the pretreated catering waste grease, and adopting a composite treatment agent in the treatment process to obtain a crude product; s3, the crude product is subjected to catalytic cracking quality improvement, and a cracking product is obtained; s4, carrying out hydrogenation saturation treatment on the cracking product to obtain a mixed alkane product; and S5, carrying out purification and fractionation on the mixed alkane product to obtain the high-calorific-value biodiesel. According to the invention, after oil and alcohol are adsorbed into the spaces, the concentration of reactants is locally improved, and the reactants are limited around acidic sites, so that the reaction efficiency is greatly improved, the conversion efficiency of the biodiesel is effectively improved, and the calorific value performance of the biodiesel is further improved.

The present application relates to the technical field of biodiesel, in particular to a clean and environment-friendly biodiesel and a preparation method thereof, comprising the following raw materials: oil and fat raw material, methanol, catalyst, and composite additive; the oil and fat raw material is prepared after pretreatment of oil and fat crude material; the composite additive is prepared from cumulite powder and a treating agent, and the cumulite powder is pretreated before preparation of the composite additive. In the present application, the treating agent prepared from glycyrrhiza polysaccharide derivative contains hydrophilic and lipophilic groups and has surface activity; after modification on the surface of cumulite powder, it can improve the compatibility and dispersibility between oil and fat and methanol, increase the reaction interface, make the transesterification reaction more sufficient and faster, help to reduce the residues of unreacted substances and by-products, and further improve the combustion and environmental protection of the biodiesel.

The present invention lies in the field of microbial fatty acid / lipid / oil production from lignocellulosic feedstock / material / biomass, in particular from lignocellulose degradation products like lignocellulose hydrolysates. The present invention relates to a method of producing an oleaginous yeast strain adapted to a lignocellulose medium. The present invention further relates to an oleaginous yeast strain adapted to a lignocellulose medium and produced by the method of the invention and to an oleaginous yeast strain adapted to a lignocellulose medium, said strain being characterized by a particular RNA expression profile (showing, for example, an activated metabolic stress response RPOS). The present invention further relates to a method of producing oleaginous yeast cells, to a method of producing fatty acids and / or lipids, and to a method of producing (vegan) nutraceuticals / nutritional supplements or petroleum replacers. The present invention further relates to microbial methods for conversion of lignocellulosic hydrolysates using oleaginous yeast, in particular for producing oleaginous yeast cells, fatty acids, lipids, oils, (vegan) nutraceuticals / nutritional supplements and / or petroleum replacers.

The present invention relates to a meat substitute product comprising a texturized protein ingredient and an emulsion that is comprising a binding agent, a liquid oil, water and a powdered vegetable fat having that is a randomly interesterified and is having fatty acid moiety comprising saturated fatty acids with a carbon chain length of 12 to 22 (C12-C22), and having a ratio of saturated fatty acids with a carbon chain length of 12 and 14 (C12-C14) over saturated fatty acids with a carbon chain length of from 16 to 22 (C16-C22) of from 0.30 to 1.00, and wherein the emulsion is present in an amount of from 20 to 50 wt. %, from 25 to 45 wt. %, or from 30 to 40 wt. % on total weight of the meat substitute product. It further relates to the process for preparing the meat substitute product.

The present application provides a method for improving the yield of biodiesel, comprising: contacting and reacting low-acid-value oil and fat with monohydric alcohol in the presence of metal oxide or sulfide catalyst, characterized in that carboxylic acid or high-acid-value oil and fat is additionally added. The method of the present application can effectively solve the problem of low activity of various metal oxide or metal sulfide catalysts when used for preparing biodiesel from low-acid-value oil raw materials, expand the application range of oxide or sulfide catalysts, obtain high-yield biodiesel at lower temperature and pressure, and greatly reduce the investment in devices since the reaction is carried out at low pressure.

Disclosed is a process of production of a composition comprising triglycerides, wherein the process comprises a step of esterification and to a fat composition produced by the process. The invention further relates to a structuring fat comprising the fat composition obtained by the process disclosed herein.

The invention relates to the technical field of chemical engineering, and particularly discloses a preparation method and application of a molecular sieve catalyst with a hierarchical porous structure, the molecular sieve catalyst comprises a molecular sieve matrix having a microporous structure and a mesoporous structure; the cerium oxide-carbon nanotube composite modified material is loaded on the pore surfaces and the outer surface of the molecular sieve matrix; the cerium oxide-carbon nanotube composite modified material is formed by compounding in-situ grown carbon nanotubes and nano cerium oxide particles, wherein the cerium oxide particles are anchored on the surfaces and ports of the carbon nanotubes; according to the invention, by constructing a micropore-mesopore synergetic multistage pore channel system, a mesoporous network formed by directionally etching a molecular sieve matrix effectively solves the problem of diffusion limitation of macromolecular grease in traditional micropores, and a micropore structure maintains high specific surface area and active site density; and the loaded cerium oxide-carbon nanotube composite modified material is anchored on the surface of the pore channel in an in-situ growth manner.

Continuous process for pretreating a batch of oil containing a maximum of 20 wt% free fatty acids by countercurrent esterification of the free fatty acids, in which a vertical liquid / liquid contact apparatus containing a solid-form esterification catalyst, supplied by an alcohol batch containing at least 40 wt% alcohol and up to 50 wt% water, as well as impurities whose content is a maximum of 1 wt% of the alcohol batch, and heteroelements with a content of less than 500 ppm, wherein the alcohol is methanol or ethanol, and the oil batch contains, the contact device is operated at a temperature between 25 and 120 °C and a pressure between 1 and 20 bar, wherein the contact apparatus performs the contact in liquid / liquid countercurrent between a heavy phase and a light phase, wherein the heavy phase is either an oil-rich phase or an alcohol-rich phase.

The utility model discloses a separation type reaction kettle for preparing castor oil derivatives, which relates to the technical field of chemical machinery and comprises a kettle body, the top of the kettle body is communicated with a rectification condensing device, the rectification condensing device comprises a rectifier, a heat exchanger, a condenser and a buffer tank which are communicated in sequence, and the rectifier and the heat exchanger are vertically arranged. The bottom of the rectifier is communicated with the top of the kettle body, the heat exchanger is positioned above the rectifier, the condenser is obliquely arranged downwards, the buffer tank is arranged below the condenser, a vacuum system interface is formed in the top of the buffer tank, and a recycled material discharge port is formed in the bottom of the buffer tank; a feeding hole is formed in the upper part of the kettle body; a temperature adjusting assembly and a stirring assembly are arranged in the kettle body; the bottom of the kettle body is of an inverted-cone-shaped structure used for standing layering, and a derivative discharging opening is formed in the bottom of the inverted-cone-shaped structure. According to the utility model, through physical separation of different areas of the kettle body, the traditional multi-equipment process is integrated into a single reaction kettle to be completed, so that the production goals of high efficiency, low consumption and environmental protection are realized.

This application provides reaction products of the following: (a) maleic natural oil, including natural oil having maleic functional groups; (b) a crosslinking agent; and (c) a base. Another aspect of this application relates to reaction products of the following: (a) maleic natural oil, including natural oil having maleic functional groups; (b) a crosslinking agent; and (c) a base. This application also provides a ceramic-coated separator for a battery pack, comprising a ceramic slurry composition comprising: (i) reaction products of the following as a dispersant: (a) maleic natural oil, including natural oil having maleic functional groups, (b) a crosslinking agent, and (c) a base; and (ii) a separator, wherein the ceramic slurry composition is in contact with at least a portion of the separator. Furthermore, this application provides a battery pack comprising the aforementioned ceramic-coated separator and a method for preparing the ceramic-coated separator.

The present application relates to a kind of long chain fatty acid polyol ester preparation method and its application, which comprises: long chain fatty acid and polyol are passed into continuous operation reactor in the mode of continuous feeding, contact with solid catalyst, esterification is carried out;The solid catalyst includes acidic molecular sieve and inert binder, and optional metal additive.The present application packs solid catalyst in continuous operation reactor, and long chain fatty acid and polyol are passed in the mode of continuous feeding, and the preparation of long chain fatty acid polyol ester is carried out, the above-mentioned method can realize on-line water separation under the condition of not using water-carrying agent, and can improve the conversion rate of raw material, there is no catalyst residue in product, no catalyst separation is needed after reaction, operation step is simple, the proportion of long chain fatty acid monoester in the product prepared is high, and it is suitable for ester base anti-wear agent.

Disclosed is an robust milk edible application composition that has a significantly better cocoa butter / cocoa mass tolerance than existing solutions and the use of the edible application composition. Further disclosed is the use of a fat composition comprising a milk containing component for increasing the cocoa butter tolerance in an edible application composition.

The present invention relates to a frozen confection product comprising 0.5 to 4 wt.% protein, 10 to 30 wt.% sweetener, 0.1 to 1 wt.% emulsifier, 0.1 to 1 wt.% stabilizer and 2 to 10 wt.% fat and the fat is consisting of interesterified lauric fat. It relates to a process for preparing the frozen confection product and the process is comprising, blending an interesterified fat with frozen confection product ingredients, and freezing the blend. It further relates to the use of interesterified lauric fat composition to improve sensory properties of a frozen confection product, and wherein the interesterified lauric fat is present in the frozen confection product in an amount of 2 to 10 wt.%.

A non-hydrogenated fat composition comprising a liquid oil and a hardstock fat and the preparation process thereof. The liquid oil is present in an amount of 25 to 75 wt.%, 25 to 70 wt.%, or 35 to 45 wt.%, and the hardstock fat is present in an amount of 25 to 75 wt.%, 30 to 75 wt.%, or 55 to 65 wt.%, based upon total weight of the fat composition. Also disclosed is a food product comprising a food ingredient different from a fat, and a non-hydrogenated vegetable fat composition, and a use of a non-hydrogenated vegetable fat composition to reduce oil leakage from a food product.

A fat composition can include a majority of triglycerides consisting of glycerol esterified with saturated fatty acids. The fat composition may be a gapped formulation. The saturated fatty acids may be linear. The saturated fatty acids can include even-chain length only fatty acids, odd-chain length only fatty acids, or mixtures of even-chain length fatty acids and odd-chain length fatty acids.