66results about How to "Mild conditions for enzymatic hydrolysis" patented technology

The invention belongs to the field of medical biology, and particularly relates to a method for extracting a konjac polypeptide extract from konjac flying powder, the konjac polypeptide extract obtained by the method and an application of the konjac polypeptide extract. In order to increase the content of konjac polypeptide in the konjac polypeptide extract, the optimized extraction technology provided by the invention adopts a complex enzyme to perform enzymolysis on the protein extraction liquid of the konjac flying powder; in the finally obtained konjac polypeptide extract, the content of konjac polypeptide is as high as 85-97%, and the molecular weight of the konjac polypeptide is 350-3500Da. Moreover, the invention also provides an application of the konjac polypeptide extract in preparing a medicine for treating diabetes and diabetic complications as well as a hypoglycemic medicinal composition containing the konjac polypeptide extract. In a word, the konjac polypeptide extract and the medicinal composition thereof provided by the invention have good prospect in medicine.

The invention discloses a method for preparing soluble kelp cellulose. The method includes the steps: firstly, preparing kelp dietary fibers from kelp residues by means of flocculation, decalcifying, bleaching, washing and the like; secondly, performing steam explosion to obtain insoluble kelp cellulose, then adding low-temperature cellulase into the insoluble kelp cellulose, and performing enzymolysis in water bath at the temperature of 25 DEG C-35 DEG C to obtain the soluble kelp cellulose with the content of 90.14+ / -1.09wt% and the yield of 50-60%. When the soluble kelp cellulose is prepared, the low-temperature cellulase is used, enzymolysis is performed at the normal temperature, enzymolysis conditions are moderate, only macromolecules are sensitive to the cellulose, and macromolecules in kelp are easily decomposed while micromolecules are relatively stable and not easily further decomposed, so that the obtained soluble kelp cellulose is uniform in molecular weight and high in yield, cellulose content, water-holding capacity and expansibility. Moreover, the enzymolysis temperature is low, so that production energy consumption and operability are reduced.

The invention provides a method for preparing polypeptide with high antioxidant activity through enzymolysis of internal organs of squids. The method comprises the following steps: mashing the internal organ tissues of the squids, adding water to homogenize according to a material-liquid ratio of 1:(3-5) (m / v), adjusting the pH (potential of Hydrogen) value to 7.0-8.0, adding trypsin to hydrolyze for 5-7 hours at the temperature of 35-45 DEG C to obtain enzymatic hydrolysate; deactivating enzyme; centrifuging; taking supernatant; intercepting the polypeptide with molecular weight of being less than or equal to 5KD through an ultrafiltration cup; performing freeze drying to obtain the polypeptide with high antioxidant activity. According to the method, the waste for squid processing can be effectively utilized, the added value is improved, the economic benefit is increased, the enzymolysis reaction condition is mild, the reaction time is short, the efficiency is high, and the reaction process is easy to control; by the method, the natural polypeptide with excellent antioxidant activity can be obtained, the polypeptide can be used in place of artificially synthesized antioxidant, and the toxic or side effect is low.

The invention discloses a preparation method of a jujube residue insoluble dietary fiber powder. The method comprises the following steps: 1) adding jujube residue into water of 2-5 times the weight of the jujube residue, mixing for pulping, grinding, and adding 80-120 g of cellulase, 80-120 g of protease and 80-120 g of amylase in per ton of the jujube residue slurry for enzymolysis; 2) centrifuging the jujube residue slurry treated with enzymolysis to obtain an insoluble solid, carrying out a bleaching treatment on the insoluble solid by adding hydrogen peroxide, centrifuging, compressing, filtering and drying; and 3) extruding and pulverizing the dried insoluble solid to obtain the jujube residue insoluble dietary fiber powder. The preparation method uses cellulase, protease and amylase to carry out compound enzymatic treatment, and effectively decomposes impurities; the enzymolysis conditions are mild, and cause no pollution to the environment; besides, the extrusion is employed to improve functions such as water absorption and expansion of the jujube dietary fiber.

The invention discloses a beef flavour powder and a preparation method thereof. The beef flavour powder comprises: dust salt, white granulated sugar powder, glucose powder, gourmet powder, D- xylose, L-cysteine, enzymolysis solution, soy sauce, yeast extract, sesame oil, phosphoric acid, ethyl maltol, IMP, corn starch and beef flavor. The invention adopts the method combining microwave drying technology and compound enzyme enzymolysis technology to produce the beef flavour powder which has good taste, little environmental pollution, stable quality and high safety.

The invention discloses a pork-taste powder and the preparation method thereof. A chicken-taste powder comprises salt powder, white sugar powder, glucose powder, monosodium glutamate powder, D-xylose, isoleucine, enzymatic hydrolysate, soy sauce, yeast extract, sesame oil, chicken oil, Ethyl maltol, GMP, corn flour and chicken essence. The chicken-taste powder prepared by a method with combination of the microwave drying technology and the compound enzyme enzymolysis technology has the advantages of good taste, less environmental pollution, stable quality and good safety.

A hemicellulase is the fermented product of Bacillus pumilus hemicellulase No.A1 (CCTCC M201023) and can be used in preparing chitoligose. A process for preparing the said chitoligose includes such steps as zymolyzing chitosan with the said hemicellulase, centrifugal filtering, flocculating, vacuum concentrating, filtering, decolouring, deodouring, super filtering and classifying and drying. Its advantages are high zymolyzing efficiency and high content of active components in product.

The invention relates to a method of preparing high-content fenugreek gum from industrial grade fenugreek gum. The method is characterized in that through reflux purification, high speed centrifugation, enzymolysis, resin adsorption and drying, the high-content fenugreek gum which has a pure white color, no taste and no smell, is a transparent solution and has mannogalactan content great than or equal to 95%, protein content less than or equal to 1.0% and viscosity great than or equal to 5600mPaS is obtained.

A processing method of producing mushroom delicious soup stock by ultrasonic-assisted-enzymolyzing mushroom residues includes the following steps: 1) employing fresh and clean mushroom residues (residual imperfect mushrooms, mushroom heads and mushroom roots from production of fresh edible mushrooms such as pleurotus eryngii, lentinus edodes, agaricus bisporus and the like); 2) adding peeled raw ginger, peeled garlic and water, and pulping the mixture to prepare a mushroom raw liquid; 3) successively adding cellulase, composite protease and flavor enzyme, and performing ultrasonic-assisted enzymolysis to prepare a mushroom enzymolytic liquid; and 4) adding flavor enhancers, such as I+G, disodium succinate, a yeast extract and sodium glutamate, and seasonings, such as salt, sugar and the like, and edible oil, and homogenizing the liquid, packaging the liquid in pots and performing sterilization to prepare the mushroom delicious soup stock. Through the ultrasonic-assisted enzymolysis, the cellulase and the protease are fully contacted with an enymolysis substrate, wherein the flavor substances in the cells of the mushroom residues are dissolved out in a large amount, so that the utilization rate of the mushroom residues is greatly increased and flavor and nutritional value of the mushroom soup stock is greatly improved. The mushroom enzymolytic liquid has mellow fragrance, has delicious taste when being seasoned and has a mellow taste of mushrooms.

The invention discloses a beverage or a health beverage, in particular relates to a giant salamander polypeptide beverage and a preparation method thereof, and belongs to the technical fields of giant salamander deep processing, food, health products and medicines. The giant salamander polypeptide beverage comprises 5%-15% of sugar, 0.05%-0.15% of beta-cyclodextrin, 0.05%-0.15% of xanthan gum, 0.01%-0.025% of potassium sorbate, 0.15%-0.4% of tartaric acid, 3%-10% of fruit juice and the balance being a giant salamander polypeptide liquid. The giant salamander polypeptide beverage is uniformly golden yellow or pale yellow, looks like a semitransparent uniform liquid, is free of the peculiar unpleasant smell of giant salamander polypeptide by use of the components of the formula, and has the advantages of good taste and flavor, high nutritional value, environmental friendliness and safety, and the good-quality giant salamander polypeptide can be supplemented conveniently in daily life.

The invention relates to a method for preparation of soybean glycoprotein from defatted soybean meal, the defatted soybean meal as a raw material is soaked with water, after heating and defoaming processing, sodium hydroxide is added for adjustment of pH value to weak alkaline, after cooling, protease is added for enzymatic hydrolysis to obtain an enzymatic hydrolysate; after enzyme inactivation, activated clay and a flocculant are added for static precipitation; supernatant is taken to obtain soybean glycoprotein clear liquid; soybean glycoprotein clear liquid is added with activated carbon for carbon removal clarification and filteration to obtain soybean glycoprotein filtered liquid, the soybean glycoprotein is obtained by concentration and spray drying of the soybean glycoprotein filtered liquid. The enzymatic hydrolysis process has the advantages of mild conditions and easy control of reaction, impurities in the solution can be removed by the flocculation impurity removal process, the clear liquid is decolored and clarified by carbon removal, and the product purity is improved. The method for preparation of soybean glycoprotein from defatted soybean meal has the advantages of advanced technology, reasonable process, and controllable operation, and is suitable for mass production.

The invention discloses a chicken flavour powder and a preparation method thereof. The chicken flavour powder comprises dust salt, white granulated sugar powder, glucose powder, gourmet powder, D- xylose, isoleucine, enzymolysis solution, soy sauce, yeast extract, sesame oil, chicken oil, ethyl maltol, IMP, corn starch and chicken flavor. The invention adopts the method combining the microwave drying technology and compound enzyme enzymolysis technology to produce the chicken flavour powder which has good taste, little environmental pollution, stable quality and high safety.

The invention provides a method for extracting peanut meal polysaccharide. The method comprises fives steps of pretreatment, protein enzymolysis, enzyme deactivation treatment, polysaccharide extraction from complex phosphoesterasum and separation purification, wherein complex phosphoesterasum is combination of cellulose, lysozyme, beta-glucanase and amylase. By adopting the method, protein in peanut meal polysaccharide can be effectively eliminated, the functional characteristics of polysaccharide is maintained to the maximum extent, contamination of organic solvents is avoided, the extraction rate of polysaccharide is improved, the purity of polysaccharide is improved, and a wide application prospect is achieved.

The invention discloses a beverage or a health beverage, in particular to a giant salamander polypeptide beverage and a preparation method thereof, and belongs to the technical field of giant salamander further processing, food, health care products and medicine. The giant salamander polypeptide beverage comprises 5-15 percent of sugar, 0.05-0.15 percent of beta-cyclodextrin, 0.05-0.15 percent of xanthan gum, 0.01-0.25 percent of potassium sorbate, 0.15-0.4 percent of tartaric acid, 3-10 percent of fruit juice and the balancing being giant salamander polypeptide liquid. The giant salamander polypeptide beverage is uniform gold or light yellow and has a semitransparent and uniform appearance. The giant salamander polypeptide beverage can overcome the special foreign odor of giant salamander polypeptide by utilizing all components of the formula, has the advantages of being good in taste and flavor, high in nutritive value and green and safe, and facilitates daily supplement of high-quality giant salamander polypeptide.

The invention provides an antihypertensive peptide derived from adductor muscle of mytiloida. The preparation steps are as follows: 1) preprocessing; 2) enzymolysis; 3) ultrafiltration; 4) purifying; and 5) drying. The beneficial effects are as follows: inorganic salt, metal ion and other micro-molecular water-soluble impurities and grease are removed in the manner of soaking with deionized water; the enzymolysis condition is mild and the antihypertensive peptide is not damaged; compound enzyme hydrolysis is adopted, the enzymolysis is sufficient, the acquired molecular weight is low, the antihypertensive peptide is easily absorbed by human bodies and the protein loss is prevented; when a centrifugal ultra-filtration pipe is used for extracting the antihypertensive peptide, no concentration gradient exists, the separation speed is high, the protein loss is avoided, the desalination effect is good, and the extraction rate of the antihypertensive peptide is high; through ultra-filtration again, the other proteins with the molecular weight of more than 30-50KD can be effectively removed, the antihypertensive peptide can be further purified and the acquired antihypertensive peptide is high in purity; the invention has the advantages of simple operation steps, advanced production technique, controllable product quality, low cost and high economic benefit.

The invention relates to a preparation method of stolephorus commersonii immunoloregulation polypeptide. The preparation method comprises the following steps: selecting a raw material stolephorus commersonii for enzymatic hydrolysis to obtain stolephorus commersonii protein peptide, effecting the obtained stolephorus commersonii protein peptide for in-vitro cultured macrophage for screening enzymatic hydrolysis conditions, and separating and purifying the material to obtain a stolephorus commersonii immunoloregulation peptide product. The method comprises the following steps: a) cleaning a rawmaterial stolephorus commersonii to prepare slurry; b) enzymatic hydrolysis: selecting protease for performing enzymatic hydrolysis on the stolephorus commersonii slurry to prepare enzymatic hydrolysis liquid; c) ultrafiltration: adding the enzymatic hydrolysis liquid in a ultrafiltration system, using ultrafilter membranes with 10KD, 5KD, and 3KD for ultrafiltration, collecting the enzymatic hydrolysis liquid with molecular weights being greater than 10KD, 10-5KD, and 5-3KD and less than 3KD; and d) performing gel column chromatography on the enzymatic hydrolysis liquid by using a glucan gelSephadex G25 and performing buffer solution eluting, respectively collecting peaks, effecting the in-vitro cultured macrophage and screening enzymatic hydrolysis condition to obtain the correspondingpeak with biological activity, and using an anti-phase high performance liquid chromatography for purifying; and e) through purifying with the anti-phase high performance liquid chromatography and amino acid sequence detection, obtaining a stolephorus commersonii immunoloregulation peptide.

The invention relates to a method for preparing periplogenin through enzymatic hydrolysis. The method is characterized in that the method comprises the following steps: 1, taking a medicinal material Cortex Periplocae, crushing, adding 3-8 times of a 80-90% methanol solution, carrying out ultrasonic extraction, recovering methanol through concentrating an extract, adding a proper amount of water to the concentrated extract, carrying out azeotrope, and centrifuging while hot to obtain a centrifugate; 2, adjusting the pH value of the centrifugate to 4.5-5.5, adding a biological enzyme, carrying out insulation enzymatic hydrolysis for 18-32h, carrying out reduced pressure concentration on an enzymatic hydrolysate, and centrifuging to obtain a crude product; and 3, processing the crude product through a high speed counter current chromatograph, collecting a fraction, and drying the fraction to obtain periplogenin. The method of the invention, which has the advantages of low pollution and high yield, is suitable for the industrialization preparation.

The invention relates to the technical field of biological proteins, in particular to an enzymatic hydrolysis method for cornu cervi pantotrichum plates and a cornu cervi pantotrichum plate enzymatic hydrolysate tablet. The enzymatic hydrolysis method includes 1), crushing the cornu cervi pantotrichum plates, then adding the cornu cervi pantotrichum plates into water, decocting the cornu cervi pantotrichum plates, carrying out extraction to obtain extract liquid, centrifuging the extract liquid and discarding precipitates to obtain supernatant; 2), concentrating the supernatant, then carrying out cold storage and freezing, and carrying out sufficient drying and smashing to obtain cornu cervi pantotrichum plate gelatin powder; 3), adding the cornu cervi pantotrichum plate gelatin powder into water, dissolving the cornu cervi pantotrichum plate gelatin powder, adding trypsin into the water and carrying out enzymatic hydrolysis to obtain cornu cervi pantotrichum plate enzymatic hydrolysate. The enzymatic hydrolysis method and the cornu cervi pantotrichum plate enzymatic hydrolysate tablet have the advantages that the enzymatic hydrolysis method is high in cornu cervi pantotrichum protein hydrolysis degree, and the cornu cervi pantotrichum plate enzymatic hydrolysate prepared by the aid of the enzymatic hydrolysis method is excellent in anti-inflammation activity.

The invention discloses hippocampus polypeptide with antioxidant and anti-fatigue activity and a preparation technology thereof. Dried hippocampus is used as a raw material and undergoes crushing, electron beam irradiation-ultrasonic treatment, composite enzymatic hydrolysis, ultrafiltration and freeze-drying so as to obtain the hippocampus polypeptide. By combining electron beam irradiation technology and ultrasonic treatment for preparation of the hippocampus polypeptide, enzymolysis velocity of hippocampus can be effectively raised, release of target peptide fragments is accelerated, and antioxidant activity of the enzymolysis product is improved. On the other hand, by the controllable enzymolysis technology and by controlling hydrolysis condition and degree of hydrolysis, target molecular weight distribution of peptide products can be obtained as much as possible. Meanwhile, nutritional value of the enzymolysis product can be greatly preserved under mild enzymolysis conditions, and safety is extremely high. In addition, by filtering the enzymolysis product with filter membrane bags, molecular weight of the hippocampus polypeptide is below 5,000 Da, purity is high, and the product has obvious anti-fatigue efficacy.

The invention discloses an application of an artificial wetland plant biomass resource. The artificial wetland plant biomass resource is taken as a raw material for preparing fuels. The application can solve the secondary pollution problem of the artificial wetland plant; the solid moulding fuel, methane and fuel ethanol, of which the quality is better than that of the prior art, can be prepared; the effective utilization of the resource is realized; in the mode of establishing an artificial wetland-biological energy source coupling technology, the coupling of the artificial wetland technology and the biological energy source technology is realized; the economic applicability is excellent; the purifying effect is stable; and the resource is effectively utilized.

The invention provides high-quality strong fragrant peanut oil and a preparation method thereof. The preparation method is characterized by comprising the following steps of cleaning of peanut kernels, baking, squeezing, separation, cooling, filtering and obtaining of strong fragrant peanut oil. The prepared peanut oil contains no aflatoxin and is high in high temperature resistance, nutrient substance ingredients are reserved and not changed, the taste is pure, the fragrance is lasting, the requirement of people for extra virgin peanut oil with original taste and flavor is met, and the application prospect is wide.

The invention provides a production method of high purity Corydalis saxicola Bunting alkaloid. The method mainly includes the steps of: 1) drying and crushing medicinal materials; 2) conducting enzymolysis on the compound enzyme composed of cellulose and pectinase; 3) using ethanol with a volume concentration of 50-90% as the extraction solvent to conduct extraction concentration; 4) carrying out centrifugal separation; 5) performing treatment with centrifugal separation to obtain crude total alkaloid; and 6) subjecting the crude total alkaloid to two-stage membrane filtration, thus obtaining a purified product. The method provided by the invention has the characteristics of simple and practicable operation, mild extraction process conditions, high extraction rate, small alkaloid loss in the separation and purification process, high recovery rate, and high product purity, and can obtain Corydalis saxicola Bunting alkaloid with a total alkaloid content of greater than 98%, thus completely meeting pharmacy requirement. Through detection of the product, the Corydalis saxicola Bunting alkaloid content is 98.6%, and the heavy metals, pesticide residues and microorganism are all accord with the national standard GB / T5009, 4789 standards.

The invention provides a squid ink oligopeptide extract with lipid metabolism regulation function. The preparation steps include: 1) pretreatment; 2) enzymolysis; 3) ultrafiltration; 4) purification; and 5) drying. The invention has the beneficial effects that: the enzymolysis conditions are mild, energy can be saved, and the ink oligopeptide activity cannot be destroyed; enzymolysis has the characteristics of high efficiency and specificity, also the unique formula of a composite enzymolysis agent can greatly shorten the preparation time, and does not cause protein loss; enzyme hydrolysis is carried out twice, enzymolysis is complete, the obtained molecular weight is small, and the squid ink oligopeptide extract can be easily absorbed by the human body; the use of a centrifugal ultrafiltration tube does not generate a concentration gradient, the separation speed is fast, and protein loss cannot be caused, the desalting effect is good, and the ink oligopeptide extraction rate is high; and ultrafiltration is carried out again for further purification of ink oligopeptide, and the obtained ink oligopeptide has high purity. According to the invention, the operation steps are simple, the production technology is advanced, the product quality is controllable, the cost is low, and the economic benefits are high.

The invention relates to the technical field of pigeon egg deep processing methods, in particular to pigeon egg white powder and a preparation method thereof. The pigeon egg white powder is obtained by the following steps: adding a compound enzyme into pigeon egg white for enzymolysis to obtain an enzymolysis product, then sequentially performing filtering, performing pasteurizing, performing spray-drying, performing dry heat sterilization, performing cooling and performing sieving on the enzymolysis product to obtain the pigeon egg white powder. The preparation method is simple in preparation process, mild in enzymolysis condition, and high in drying speed, the pigeon egg white powder is uniform and consistent in white color and luster, powdery fine particles are good in restorability, easy to absorb, short in dissolution time, good in dispersity and free of agglomeration phenomenon, and the problems that existing fresh eggs are prone to deterioration and breakage and are not beneficial to storage can be effectively solved.

The invention provides a preparation process of a nutritious beverage containing peanut short-chain polypeptides. The beverage is a lactobacillus beverage, the lactobacillus beverage contains 0.15% by weight of peanut short-chain polypeptides, and a preparation method of the short-chain polypeptides comprises the following steps: peanut kernel cleaning, stir-frying, pressing, primary enzymolysis, secondary enzymolysis, nanofiltration and spray drying. The content of protein and the content of oligopeptides with the molecular weight smaller than 1,000 Da in the peanut short-chain polypeptides prepared with the method both reach the advanced level in the market, various nutritional ingredients are degraded to generate peanut peptide powder which can be directly absorbed by a human body and has rich nutrition, and the application prospect is broad.

The invention discloses a process for synchronously producing ethyl alcohol, xylitol, lignin and cellulosic fiber pulp through straw enzymolysis and fermentation. The process comprises the following steps: (1), raw material pretreatment; (2), enzymolysis; (3), separation; (4), distilling and nanofiltration; (5), reverse osmosis purification. According to the process for synchronously producing ethyl alcohol, xylitol, lignin and cellulosic fiber pulp through straw enzymolysis and fermentation, the bio-enzyme conversion technology and the membrane separation technology are organically combined,and all plant straw cellulosic enzyme can destroy the complex structures of straws, so that the enzymolysis efficiency is improved, the membrane separation process is simple, energy consumption is low, and producing various products synchronously can be achieved. Therefore, crop straw resources are used maximally, and good economic benefits are produced.

The invention discloses a process for synchronously producing ethyl alcohol, xylopyranose, lignin and cellulosic fiber pulp through straw enzymolysis and fermentation. The process comprises the following steps: (1), raw material pretreatment; (2), enzymolysis; (3), separation; (4), distilling and nanofiltration; (5), reverse osmosis purification. According to the process for synchronously producing ethyl alcohol, xylopyranose, lignin and cellulosic fiber pulp through straw enzymolysis and fermentation, the bio-enzyme conversion technology and the membrane separation technology are organicallycombined, and all plant straw cellulosic enzyme can destroy the complex structures of straws, so that the enzymolysis efficiency is improved, the membrane separation process is simple, energy consumption is low, and producing various products synchronously can be achieved. Therefore, crop straw resources are used maximally, and good economic benefits are produced.

The invention discloses a preparation method of tea seed essence with sweet osmanthus fragrance. The preparation method includes the steps of firstly, shelling with wind power; secondly, drying; thirdly, processing with steam; fourthly, processing with ultrasonic; fifthly, allowing for enzyme reaction; sixthly, extracting. The invention further discloses the tea seed essence prepared by the method. The preparation method has the advantages that sweet osmanthus is added into the tea seed essence to allow the same to be fragrant and rich in smell (sweet osmanthus essence is capable of relieving headache and fatigue, capable of well elevating the mood and capable of allowing the skin to be fine and tender and delaying aging); an aqueous enzymatic method for essence extraction is mild in enzymolysis condition and low in processing temperature, water is used as the extraction solvent to allow the obtained essence to be good in quality and small in protein denaturation degree, the comprehensive utilization of raw materials is benefited, and the preparation method is simple in process and easy in large-scale production.

The invention provides a production process of organic peanut oil. The production process is characterized by comprising the following steps: selection and cleaning of organic peanuts produced in a base, stone removal, grading, color selection, baking, squeezing, crude oil filtration, preliminary cooling, filtration aid adding, secondary cooling, precipitation and filtration to obtain finished product oil. The organic peanut oil does not contain aflatoxin, is high in high-temperature resistance, retains nutritional substance components, tastes pure, has long-lasting flavor, can meet the demand of people for original-juice and original-flavor special-grade initially squeezed peanut oil, and has a wide application prospect.

The invention discloses a technology for extracting plant oil through an aqueous enzymatic method. The technology comprises the following steps: grinding oil crops, adjusting the solid to liquid ratio to 1:15-20, adding an enzyme, hydrolyzing for 18-20h, carrying out solid-liquid separation after the above enzymatic hydrolysis ends to obtain a liquid phase oil and water mixture containing a small amount of water-soluble proteins, removing the proteins through an isoelectric precipitation method, further concentrating the liquid phase for 12h, and separating to obtain the oil. Enzymatic hydrolysis conditions are mild, and the temperature of hexane leaching for recovering a solvent after the enzymatic hydrolysis is not higher than 80DEG C, so the energy consumption is obviously lower than that in traditional methods, the performances of oil proteins are well kept, and the simultaneous utilization purpose of oil and proteins is realized; and high temperature treatment of oil is avoided, so the quality of the extracted oil is obviously improved.