37results about How to "Reduce free fatty acid content" patented technology

The present invention relates to improved methods for refining vegetable oils. Vegetable oil is combined with organic acid and subjected to high shear to finely disperse the acid solution in the oil. The resulting acid-and-oil mixture is mixed at low shear for a time sufficient to sequester contaminants into a hydrated impurities phase, producing a purified vegetable oil phase.

The invention discloses a feed maturation method and a high-temperature maturation device. The feed maturation method includes the following steps that: steam generated by a boiler is delivered to a maturation pot filled with materials; the materials are constantly stirred so that the materials can be fully matured; the matured materials are taken out and dried; and finally, fragmentation is carried out on the resulting materials to obtain a finished product. A novel feed processing technology and a device are provided in the present invention, being characterized in that the raw materials of feed after maturation, can make starch more easily digestible, protein content higher and protein more easily absorbed; and being advantaged in simple operation, energy conservation, low carbon, environmental protection and greatly reduced cost of feed processing.

The invention discloses a preparation method for polyene phosphatidyl choline for injection. The preparation method comprises the following steps: dissolving with a proper solvent by taking soyabean lecithin as a raw material, performing elution twice with a ternary mixed solvent consisting of multi-halogenated hydrocarbon, low carbon alcohol and water through column chromatography, and drying to obtain a product polyene phosphatidyl choline. The product obtained by the preparation method disclosed by the invention is high in phosphatidylcholine content (98.0%-99.9%, HPLC (high performance liquid chromatography) process), low in impurity content (less than 1.0% of lysophosphatidyl choline, less than 0.5% of phosphatidyl inositol, less than 0.5% of phosphatidyl ethanolamine, less than 0.2% of free fatty acid and less than 0.2% of triglyceride), and low in oxidative index (an acid value lower than 0.5, a peroxide value lower than 1.0 and methoxy phenylamine value lower than 5.0), so that the product quality reaches the quality standards of polyene phosphatidyl choline for injection.

A non-hydrogenated canola oil having superior oxidative stability and fry stability useful for food applications is disclosed, as well as seeds, plant lines and progeny thereof from which the oil is derived.

A method for reducing the free fatty acid content of a feedstock includes the steps of providing a free-fatty-acid-containing feedstock, treating the free-fatty-acid-containing feedstock to reduce the free fatty acid content thereof, where the step of treating includes combining at least one of an algae and a coagulant to the free-fatty-acid-containing feedstock, and producing a product from the treated feedstock.

The invention provides a preparation method of a mutton-smell-free mutton fat oil. The preparation method comprises the following steps: S1, taking essential oil as a core material, and compounding the core material with a wall material to prepare a phase change microcapsule particle; S2, loading the phase change microcapsule particle into a mixed gel solution prepared from a sodium silicate solution and a magnesium chloride solution, and drying to obtain a modified particle; S3, taking mutton fat, dicing the mutton fat, mixing the diced mutton fat with deionized water, and performing programmed heating to prepare mixed slurry; and S4, continuously heating the mixed slurry, carrying out heat preservation to refine oil, adding the modified particle, cooling, carrying out heat preservation,and standing to prepare the mutton-smell-free mutton fat oil. According to the preparation method, the mutton smell of the mutton fat oil is low, the preparation process is convenient and rapid, the operation is simple, and the cost is low.

The invention discloses a method for reducing free fatty acid content in marine phospholipid. The method comprises the step of converting free polyunsaturated fatty acid having three or more double bonds in crude marine phospholipid into the phospholipid. According to the method, the phospholipid content is increased while the acid value is reduced, the content of polyunsaturated fatty acid such as EPA and DHA is further ensured, the loss of ingredients like fat-soluble vitamins is reduced, the degree of separation is high, the structure of the phospholipid is not damaged, and the product quality is improved.

The invention relates to the technical field of feed, in particular to silver carp feed. The silver carp feed comprises, by weight, 40-55 parts of soybean meal, 20-33 parts of corn meal , 10-16 partsof rapeseed meal, 1-8 parts of fish meal, 11-17 parts of earthworm powder, 2-9 parts of squid paste, 1-5 parts of vinegar residues, 1.2-2.8 parts of multi-vitamin and 5-17 parts of traditional Chinesemedicine pellets. The silver carp feed is cheap in raw material, easy in raw material obtaining, low in production cost, comprehensive and rich in nutrition, capable of comprehensively providing allnutritional substances required by silver carp growth, high in utilization rate, good in palatability, high in safety and environmentally friendly.

A non-hydrogenated canola oil having superior oxidative stability and fry stability useful for food applications is disclosed, as well as seeds, plant lines and progeny thereof from which the oil is derived.

The invention discloses a removing method of free fatty acid in fully-hydrogenated high erucic acid rapeseed oil, wherein the removing method comprises the following steps: (i), adding a discoloring agent into the fully-hydrogenated high erucic acid rapeseed oil, discoloring for 20 minutes-60 minutes under a high-temperature vacuum condition; (ii), after the discoloring is completed, filtering the discoloring agent; and (iii), carrying out deodorization treatment onto grease obtained by filtering, wherein deodorization conditions are as follows: a deodorization temperature of 250 DEG C-270 DEG C, steam-stripping direct steam flow rate of 150 kg/hour-300kg/hour, and deodorization time of 2 hours-5 hours. According to the removing method disclosed by the invention, content of the free fatty acid in the fully-hydrogenated high erucic acid rapeseed oil is lowered to less than 0.03% by controlling the deodorization conditions, i.e., setting the deodorization conditions as follows: the deodorization temperature of 250 DEG C-270 DEG C, the steam-stripping direct steam flow rate of 150 kg/hour-300kg/hour, and the deodorization time of 2 hours-5 hours, so that product quality is improved.

The invention discloses application of blended edible oil compounded of sunflower seed oil and lard in the aspect of obesity resistance. The blended edible oil is prepared by compounding sunflower seed oil and lard, as well as adding 1wt% of caprin; and the prepared blended edible oil compounded of the sunflower seed oil and the lard is for daily consumption use. The blended edible oil compoundedof the sunflower seed oil and the lard disclosed by the invention is simple in proportion, low in cost and good in compatibility; being taken at an intake amount of 25-50 grams per person per day, theblended edible oil is capable of preventing hepatic adipose infiltration and improving lipid metabolism after long-term consumption, thereby achieving the functions of effectively reducing body weight, body fat ratio, fat cell volume, hepatic TG deposition and the like.

The invention discloses a method for improving rice quality. River sand with specific fineness is used as an intermediate carrier; a microwave treatment mode is adopted to enable an ethanol aqueous solution to permeate into newly harvested rice to promote partial lipid and proteins of a bran layer to migrate into rice grains, so that cell wall strength of starch endosperm cells and adhesion amongthe cells can be enhanced, softness of cooked rice of the newly harvested rice can be reduced, rice grain cracking caused by direct microwave treatment can be avoided, and processing loss can be reduced. According to the method, a combined conditioning technology is adopted to reduce the content of free fatty acid in the rice, meanwhile, formation of protein disulfide bonds in fresh rice can be promoted, and swelling of starch in a gelatinization process is properly inhibited, so that taste quality of newly harvested rice is improved.

A method of using a silica-zirconia catalyst in a method of reducing the amount of glycidol, glycidyl ester, or both glycidol and glycidyl ester from a triglyceride-containing composition, such as an edible oil, is disclosed. The invention also discloses a silica-zirconia catalyst and a method for preparing the silica-zirconia catalyst.

Prepared magnetic immobilized enzyme PLA2 is applied in the degumming process of soybean hydration degumming crude oil to improve the enzymatic hydrolysis efficiency of phosphatidase and reduce the content of free aliphatic acids in enzymatic hydrolyzed oil in order to solve the problems of difficult removal of non-hydratable phospholipids in the soybean crude oil purifying process, and high price, difficult recovery and rising of the content of the free aliphatic acids in oil of free phosphatidase. The optimum parameters of purification degumming of the soybean crude oil by the magnetic immobilized phosphatidase A2 are obtained through respectively researching influences of the magnetic immobilized enzyme addition amount, the reaction temperature, the reaction time and the reaction initial pH value on the phosphorus content as an index, and results show that the phosphorus content is 10.05mg/kg when the magnetic immobilized enzyme addition amount is 0.12g/kg oil, the reaction temperature is 55DEG C, the reaction time is 5h and the reaction initial pH value is 5.0, and the content of free aliphatic acids is 0.84g/100g and is 0.14g/100g lower than the content of free aliphatic acids in degummed oil obtained by using magnetic immobilized phosphatidase A1.

The invention discloses a compound 8-epi-Hypophyllin E which is separated from hypoestesphyllostachya (Hypoestesphyllostachya) and has a structure in a formula (I), derivatives of the 8-epi-hypophyllin E, a pharmaceutical composition employing the 8-epi-hypophyllin E as an effective component and an application in preparation of medicines for treating metabolic syndromes, such as type II diabetes. The 8-epi-hypophyllin E is capable of significantly reducing blood glucose of db/db mice with the type II diabetes C57BL/KsJ, significantly improving the sugar tolerance and the insulin tolerance of the db/db mice, partially improving the liver function and significantly reducing the content of serum triglyceride and free fatty acid and can be used for preparing the metabolic syndrome, such as a therapeutic medicine for the type II diabetes.

The invention discloses a method for preparing linolenic acid-rich diglyceride by an enzyme method, and belongs to the technical field of food processing. According to the method disclosed by the invention, the linolenic acid-rich diglyceride is prepared by utilizing an enzymatic glycerolysis method, and the peroxide value in the linolenic acid-rich raw material is reduced by adopting a distillation or adsorption method, so that the aim of retaining the lipase activity to the greatest extent in an enzymatic reaction process is fulfilled, and the repeated use frequency of the lipase in the glycerolysis reaction process is increased, and the cost of preparing diglyceride by the enzyme method is reduced. The method for synthesizing the diglyceride grease through the enzyme method is high in efficiency and low in cost, the problem that lipase is prone to inactivation in the enzymatic reaction process is solved, and the method has great application prospects in grease processing.

The invention discloses a method for preparing pig feed. The method comprises the following steps: delivering vapor generated in a boiler into a curing tank filled with a material, and constantly stirring to sufficiently cure the material; then, taking out and drying the cured material; and finally, grinding to obtain a finished product. The method adopts new feed processing technology and equipment, and after the raw materials of feed are cured, starch can be digested easily, and protein has high content and can be easily absorbed. The method is easy to operate, has low-carbon property and environmental friendliness, and can be used for greatly reducing the feed processing cost.

The invention belongs to the technical field of chemical industry, and particularly relates to a technique for synthesizing zinc stearate from glyceryl tristearate. The technique comprises the following steps: 1) hydrolyzing glyceryl tristearate and water under the actions of a catalyst and an antioxidant; and 2) adding zinc oxide and a catalyst in multiple steps, and carrying out condensation, dewatering and salification to synthesize the zinc stearate. By using the technique provided by the invention, no wastewater containing chlorine and sulfate ions is discharged in the process; the production process is safe and environment-friendly and has low total production cost; and the synthesized zinc stearate has the advantages of high yield, favorable color and low free fatty acid content, satisfies the relevant quality standard for Type I zinc stearate in HG/T3667-2012, and has higher practicality and comparability than like products in the market in practical application.

The invention belongs to the technical field of dried bean curd processing and in particular relates to a processing method for improving physical quality of a dried bean curd by virtue of microwave treatment. The processing method comprises the following steps: treating a selected soybean raw material for 30-40 seconds under the condition of 3.5-4.0kW/kg, then soaking for 1.5-2 hours with warm water, placing for 10-12 hours in a lightproof container, and then preparing and moulding according to the conventional method, wherein tenderization treatment is divided into two stages. Compared with the prior art, the processing method provided by the invention has the advantages that soybeans are subjected to microwave treatment at a certain temperature before being ground into thick liquid, macromolecular nutrient substances can be effectively decomposed, structural damage of protein is reduced, fatty acid oxygenolysis is promoted, and free fatty acid content is reduced, so that molecular interior void is enlarged, water absorbability is improved, elasticity of the dried bean curd is beneficially improved, the physical quality of the dried bean curd is improved while nutritional ingredients of the dried bean curd are guaranteed, and the product palatability is enhanced.