180 results about "GAMMA ORYZANOL" patented technology

The present invention provides fatty acid balanced health blend oil, which comprises the following components in percentage by weight: 0.01 to 2 percent of oryzanol and 0.1 to 2 percent of phytosterin. The proportion of saturated fatty acid to monounsaturated fatty acid to polyunsaturated fatty acid is (0.2 to 0.9) to 1 to 1, and the proportion of n-6 polyunsaturated fatty acid to n-3 polyunsaturated fatty acid is (3-8) to 1. The oryzanol and the phytosterin are from rice oil, or are exogenously fed, and at least a part of phytosterin can be replaced by phytosterin acetate. The fatty acid balanced health blend oil also can comprise at least one kind of antioxidant. The fatty acid proportion of the fatty acid balanced health blend oil is reasonable, and the fatty acid balanced health blendoil is beneficial for the health of the human body, in particular, the fatty acid balanced health blend oil can reduce blood fat and cholesterin and improve the vegetative nerve function of human bodies. The fatty acid balanced health blend oil has convenient preparation and is suitable for large-scale commercial production.

The invention discloses a method for extracting oryzanol from rice bran crude oil. The method comprises the following steps: (1) preparing four-stage rice bran oil: (a) performing hydration, degumming and dewaxing on the rice bran crude oil, (b) decolorizing the dewaxed rice bran oil and (c) performing physical refining on the decolorized rice bran oil; (2) extracting crude oryzanol, namely (a) preparing a soap base, (b) performing alkali dissolution operation and (c) performing acidification operation; and (3) refining the crude oryzanol, namely (a) re-dissolving the crude oryzanol and performing solvent oil liquid-liquid washing, (b) performing acidification and acid soaking and (c) drying and crushing the oryzanol. According to the method disclosed by the invention, a physical refining and deacidification process is applied to an alkali dissolution and acidification oryzanol production process, the first alkali refining operation in the existing process is reduced, the yield of the rice bran refined oil is improved, and the loss of 20% of the oryzanol produced by soapstock due to the alkali refining is also reduced. As the physical refining and deacidification process is adopted, the yield of the refined rice bran oil is greatly improved in comparison with the existing alkali dissolution and acidification process, and the yield of essential oil is improved from the original 50-55% to 60-65%.

Methods for producing refined rice bran oil that include caustic treatment step(s) in an amount that is less than or equal to a theoretical amount of caustic required to neutralize practically all of the free fatty acids in the rice bran oil, but avoiding addition of excess caustic. An objective is to retain a high level of oryzanol in the refined oil.

The present invention relates to an improved process for the production of oryzanol enriched fraction from rice bran oil soapstock; the present invention particularly relates to saponification, dehydration and leaching of rice bran oil soapstock for production of oryzanol enriched fraction.

The invention provides a method for refining nutritional millet bran oil. The method is suitable for processing nutritional millet bran oil by taking the crude millet bran oil obtained by CO2 supercritical extraction, press or solvent leaching as a raw material. The method comprises the following steps: adding a citric acid solution accounting for 0.2-0.4% of the oil weight into the crude millet bran oil and carrying out vacuum stirring to remove gums; taking 80-95% ethanol-isopropanol with the pH value of 5.0-6.5 as an extractant to deacidify degummed oil through vacuum stirring; and washingdeacidified oil with a sodium citrate solution and clear water and drying and dewaxing the washed deacidified oil, thus obtaining the nutritional millet bran oil product. The method has the followingadvantages: the acid value of the obtained nutritional millet bran oil is below 2mgKOH/g; and the preservation rates of vitamin E and oryzanol in the oil are respectively above 85% and above 75%.

The invention discloses a preservative of tea tree oil-based germinated brown rice and a preparation method thereof. Aiming at the characteristic and the rule that nutrient components, such as gamma-aminobutyric acid, gamma-oryzanol, ferulic acid and the like are easily degraded and lost in the storage process of germinated brown rice, ascorbic acid, citric acid, calcium lactate, tea tree oil, Tween 80 and Span 80 are compounded and homogenized. The prepared preservative is natural, has high effect and stable performance, better prolongs the shelf life of the germinated brown rice, and also has vitamin C strengthening and calcium-enriching effects.

The invention discloses a production method of gamma-oryzanol. The production method comprises the steps: pouring filter residues in a dissolving tank; adding methanol, mixing, then adding hexane, and stirring; adding acetic acid, neutralizing, and carrying out stirring reflux; heating to 50 DEG C in a water bath, heating up, and carrying out stirring reflux; adding water, continuing to stir, and then allowing to stand for an hour; precipitating to obtain a crude product gamma-oryzanol; allowing the solution to be automatically layered, wherein an upper layer is a hexane solution and a lower layer is a crude product gamma-oryzanol precipitate and a methanol dissolving layer; shunting the upper layer and the lower-layer methanol dissolving layer; carrying out water-bath heating of the lower layer; carrying out reduced pressure filtration on the crude product gamma-oryzanol precipitate and the methanol dissolving layer after water-bath heating, wherein a filter paper upper layer is crude gamma-oryzanol; adding hexane to crude gamma-oryzanol precipitated particles, and washing out impurities which can be dissolved in hexane; and collecting gamma-oryzanol precipitated particles, and drying at low temperature. The method reduces the methanol use amount, the added hexane solvent can be recycled, the purity of the crude product gamma-oryzanol is improved, and the filtration time is shortened.

The invention relates to a method for preparing novel margarine by replacing animal fat with vegetable fat and gel. The invention provides a preparation method of novel margarine, aiming at solving the safety problem caused by trans-fatty acid and saturated fatty acid in dietary life. The preparation method specifically comprises the following steps: by taking supercritical rapid extracted vegetable fat as an oil base and one or more of cinnamic acid, oryzanol, sterol and monoglyceride as gel, adding 4%-20% of the oil base and gel into vegetable oil, forming a heat solution in a form of physical heating, then adding lecithin, sucrose ester, salt, citric acid, EDTA2Na, casein, sodium sorbate and milk, stirring for 5-15min at 3000-6000rpm, performing ice bath for 30min, and storing for 24h at 4 DEG C so as to be self-assembled to form the novel margarine. The obtained novel margarine has smearing and plasticity performances, can be applied into related food products as novel margarine, and can meet demands of people on healthier and safer food.

The invention discloses polyunsaturated oil powder rich in phytosterol and a preparation method thereof. The method comprises the steps of dissolving phytosterol and oryzanol into oil rich in polyunsaturated fatty acids, and performing dispersion and dissolution at 25-90 DEG C; adding an oil phase in which phytosterol is dissolved into an aqueous phase of a saponin aqueous solution; performing pre-dispersion by a homogenizer, performing high pressure homogenization or ultrasonic homogenization, and obtaining nanoscale oil-in-water emulsion; and obtaining the polyunsaturated oil powder rich in phytosterol through drying of the obtained oil-in-water emulsion. The preparation process is simple and all natural and promotes bioavailability of phytosterol and omega-3polyunsaturated fatty acids; after the polyunsaturated oil powder rich in phytosterol is eaten, serum total cholesterol, low density lipoprotein cholesterol and triglyceride can be reduced synergistically, and the polyunsaturated oil powder can be widely applied to the fields of foods, medicines and cosmetics and is particularly applied to beverages and milk powder and the like.

The invention discloses health sprouted coarse cereal meal and a preparation method thereof. The prescribed grouted coarse cereal meal with a nutritional health function is enriched with various functional ingredients by sprouting 15 kinds of coarse cereals which serve as raw materials in a scientific means, is produced by process procedures of puffing, grinding, screening, blending, packaging and the like in a proportional formula, and is suitable for people eating. The health sprouted coarse cereal meal is rich in gamma-aminobutyric acid, alkaloid, general flavone, glucan, amino acid, minerals, vitamins, superoxide dismutase, dietary fibers, glutathione, ferulic acid, oryzanol, phytosterol, ascorbic acid, riboflavin, carotene and other multiple active substances with special physiological functions. The health sprouted coarse cereal meal has multiple health functions, such as reducing the incidence rate of cardiovascular diseases, preventing diabetes mellitus and digestive tract cancer, relieving senescence and the like.

A nutritional composition, and method of making it, that includes a carbohydrate, an insulin potentiator, an amino acid, a muscle growth stimulator, an energy increaser and at least one flavoring ingredient. The composition may be provided in dry form for addition to a fluid or in liquid forms. The composition is ingested to improve endurance and muscle tissue repair after exercise. In an embodiment the composition includes vanadyl sulfate, gamma oryzanol and American ginseng.

The invention belongs to the field of rice oil processing, and provides a preparation process of nutritional rice oil rich in oryzanol and vitamin E. The preparation process is mainly characterized in that a conventional rice oil refining process is improved, technological processes of crude rice oil filtering, compound degumming, dewaxing, molecular distillation, degreasing and obtaining of finished product rice oil are adopted, and nutrient substances such as oryzanol, vitamin E and the like in rice oil are reserved to the greatest extent.

The invention relates to the technical field of oryzanol extraction, and in particular to a method for extracting oryzanol with a plurality of solvents. The method comprises the steps of extraction, refining, decolorization and crystallization, and is characterized in that the extraction step comprises the steps of performing primary extraction on the rice bran oil soapstock by using diethyl etherand 30-50% by volume of isopropanol as solvents, and then performing secondary extraction on an obtained upper-layer feed liquid by using 40-60% by volume of isopropanol to obtain an oryzanol crude product. According to themethod disclosed by the invention, the plurality ofsolvents are adopted for twice extraction, and oryzanol in the raw material rice bran oil soapstock can be fully extracted, so that residues of oryzanol in the raw material are reduced, and the extraction efficiency of oryzanol is greatly improved (up to 85% or above).

The invention discloses the purpose of gamma-oryzanol as functional food additives. The purity of the gamma-oryzanol is above 80% calculated by weight percentage. The additive can be added into functional food for lowering blood lipid, preventing disorder of body rhythm, and alleviating and improving weariness and fatigue due to disorder of body rhythm.

The invention relates to a method for preparing oryzanol microemulsion. The transparent or most transparent, clear and stable microemulsion is prepared by dissolving oryzanol into plant oil, adopting a nonionic surface active agent as an emulsifying agent, adopting fatty alcohol as an auxiliary agent and adding water or a sodium chloride aqueous solution and stirring. The oryzanol content in the microemulsion can be adjusted in a certain range as required, the maximal content of the oryzanol is 3 percent by weight, and the water content is in a range of 50-91 percent. The particle diameter of a microemulsion drop is in a range of 8-100nm, and the microemulsion is not turbid and is not delaminated in a temperature range of 20-90 DEG C. The oryzanol microemulsion prepared by the invention has transparent or most transparent, clear and stable property, the oryzanol content in the microemulsion can be adjusted in the certain range as required, and the maximal content of the oryzanol is 3 percent. The water content is in the range of 50-91 percent. The particle diameter of the microemulsion drop is in the range of 8-100nm. The microemulsion is not turbid and is not delaminated in the temperature range of 20-90 DEG C.