208 results about "Corn oil" patented technology

The invention relates to the technical field of grease chemistry, in particular to a preparation method and application of diglyceride oil capable of preventing and treating fatty liver. The preparation method comprises the following steps: (1) mixing raw material oil, water, glycerol and a lipase preparation for catalytic reaction to obtain a product 1; the raw material oil comprises 0.1-8 parts of sea buckthorn seed oil, 0.1-8 parts of acer truncatum seed oil, 60-90 parts of low erucic acid rapeseed oil, 15-35 parts of corn oil and 10-25 parts of peanut oil; the lipase preparation is aspergillus niger lipase and rhizopus niger lipase; (2) performing five-stage molecular distillation on the product 1 to obtain a product 2; and (3) decoloring and deodorizing the product 2 to obtain the product. The diglyceride oil prepared by the invention has excellent effects of preventing and treating fatty liver.

The invention discloses a method for preparing a high internal phase emulsion and delivering curcumin by using transglutaminase mediated casein-carboxymethyl chitosan covalent substances, aims to improve the stability and bioaccessibility of curcumin, and belongs to the field of food processing. The method comprises the following steps: firstly, carrying out ultrasonic treatment on sodium caseinate for a certain time, and carrying out transglutaminase cross-linking reaction on sodium caseinate and carboxymethyl chitosan to obtain a casein-carboxymethyl chitosan covalent substance; and then adding the mixture into the curcumin-loaded corn oil according to a certain proportion, and homogenizing to obtain the curcumin-loaded high internal phase emulsion. The emulsion has good interface characteristics and can effectively encapsulate curcumin. The preparation process is simple, efficient, green and environmentally friendly, the prepared high internal phase emulsion has high stability and good biological accessibility, a new technical means is provided for delivery of curcumin, and the high internal phase emulsion has wide application prospects in the field of food.

The invention provides a diglyceride oil composition for reducing lactone as well as a product and a preparation method thereof, and relates to the technical field of functional grease processing. The preparation method of the diglyceride oil composition comprises the following steps: (1) mixing corn oil and high oleic acid peanut oil, adding glycerol and water, then adding rhizomucor miehei lipase and pseudomonas onions lipase, and reacting to obtain a material A; (2) mixing sea buckthorn seed oil, acer truncatum seed oil and rapeseed oil, adding glycerol and water, adding candida antarctica lipase B and rhizopus oryzae lipase, and reacting to obtain a material B; and (3) mixing the material A and the material B, heating and centrifuging, taking an upper-layer oil sample, and distilling under a vacuum condition to obtain the diglyceride oil composition. The diglyceride oil composition prepared by the invention has a good effect in the aspect of reducing the internal fat.

The invention belongs to the field of fermentation, and particularly relates to a complex microbial inoculant, original cheese, processed cheese with a blood sugar reducing function and preparation and application of the complex microbial inoculant. Wherein the processed cheese is prepared by the method comprising the following steps: mixing the components including raw cheese, sugarcane juice, corn oil, casein, concentrated milk protein, blueberry powder, mono / diglycerol fatty acid ester, sodium citrate, sodium tripolyphosphate, sodium hexametaphosphate, salt guar gum, potassium sorbate and water, and then emulsifying to obtain the processed cheese, the sugar cane juice, the corn oil, the casein, the concentrated milk protein, the blueberry powder, the mono / diglycerol fatty acid ester, the sodium citrate, the sodium tripolyphosphate, the sodium hexametaphosphate, the salt guar gum, the potassium sorbate and the water, the original cheese is prepared from a complex microbial inoculant, and the complex microbial inoculant comprises lactococcus lactis bacterial powder, lactococcus lactis subsp. Lactis bacterial powder, lactobacillus delbrueckii subsp. Lactis bacterial powder, lactobacillus plantarum bacterial powder and lactobacillus paracasei bacterial powder. The processed cheese provided by the invention has a better function of controlling blood sugar, and meanwhile, the processed cheese is fine and uniform in texture and has good smearing performance.

The invention discloses a preparation method of modified mesoporous silica for removing toxins and heavy metals in corn oil, which comprises the following steps: preparing mesoporous silica with a proper aperture by using rice husk as a raw material and optimizing the use of a pore-enlarging agent, and carrying out synergistic modification with octyl and sulfydryl to obtain the modified mesoporous silica. The finally prepared modified mesoporous silica has a good adsorption effect on four common toxins AFB1, ZEN, OTA and DON in the corn oil, meanwhile, the modified mesoporous silica prepared by the method can also have a good adsorption effect on heavy metal ions in the corn oil, and the corn oil can be used for preparing the corn oil. The modified mesoporous silica can adsorb various toxins and heavy metal ions at the same time, and has a good application prospect.

The invention discloses mandulapalka milk and a preparation method thereof, and belongs to the technical field of beverage processing. According to the technical scheme provided by the invention, the preparation method of the degreased cyperus esculentus milk enzymolysis beverage comprises the following steps: adding high-temperature amylase into a degreased cyperus esculentus meal aqueous solution for enzymolysis for 1 hour, and then adding alkaline protease and flavourzyme for enzymolysis for 1 hour to obtain an enzymolysis solution; and finally, emulsifying residual starch and dextrin in the enzymatic hydrolysate by using soybean protein isolate and corn oil, and homogenizing by using a high-pressure homogenizer to obtain the cyperus esculentus beverage. According to the method, a multi-enzymolysis technology is adopted, the enzymolysis speed can be increased, the taste can be improved, a double-enzymolysis method is adopted, the enzymolysis time is shortened, starch is subjected to enzymolysis more sufficiently, and the flavor is improved. The defatted cyperus esculentus beverage prepared by the method disclosed by the invention is appropriate in sweetness, silky in mouth, mellow and strong in fragrance and unique in flavor, and is a healthy and mellow leisure beverage.

The invention provides diglyceride oil with a blood sugar reducing effect and a preparation method of the diglyceride oil, and relates to the technical field of functional grease processing. The preparation method comprises the following steps: mixing sea buckthorn seed oil, acer truncatum seed oil, rapeseed oil, corn oil and high oleic acid peanut oil, and adding glycerol and water to obtain a material A; adding onion pseudomonas lipase and candida antarctica lipase B into the material A, and carrying out primary reaction to obtain a material B; adding candida lipolytica lipase and candida antarctica lipase B into the material B, and carrying out a second reaction to obtain a material C; adding thermomyces lanuginosus lipase into the material C, and carrying out a third reaction to obtain a material D; and treating the reacted material D to obtain the diglyceride oil. The diglyceride oil prepared by the invention has a good effect in the aspect of reducing blood sugar.

The invention belongs to the field of feed, and discloses balance oil which comprises the following components in percentage by weight: 15-20% of fish oil, 20-30% of soybean oil, 5-10% of linseed oil, 20-30% of lysophospholipid, 5-10% of coconut oil, 15-20% of corn oil and 1-5% of red palm oil. The balance oil is applied to pregnant sows, and experimental verification shows that the balance oil can effectively improve the reproductive performance of the sows and the growth performance of piglets. Meanwhile, the invention further discloses balancing grease powder and application thereof.

The invention discloses a preparation method of monensin fermentation liquor, relates to the technical field of microbial fermentation, and aims to solve the problems of low titer and long period of the existing process. According to the method, streptomyces cinnamomi is taken as a strain, a culture medium with a specific formula is adopted, and fermentation is performed in three stages: in the first stage (0-30-50 hours), pH is not controlled; in the second stage, a phosphoric acid and compound oil mixed solution (accounting for 1-3% of the fermentation solution, and the compound oil contains 20-30% of peanut oil, 20-30% of corn oil and the like) is supplemented at a time; in the third stage, the pH is controlled to be 6.2-6.3, and soybean oil and sterile water are supplemented according to needs. The fermentation adopts a secondary process, the temperature is controlled at 30-33 DEG C, the dissolved oxygen is more than or equal to 35% and the like, the total duration is less than or equal to 320 hours, and the titer is more than or equal to 55000 mu g / ml. By optimizing the culture medium and precisely regulating and controlling, the element production capacity is improved, the method is suitable for industrial production of tanks of 50 L to 100 m < 3 >, the efficiency is improved, and the cost is reduced.

The invention relates to the technical field of image processing, in particular to a corn oil quality detection method based on image processing, and the method comprises the steps: obtaining a corn oil surface gray level image, and dividing the corn oil surface gray level image into a plurality of windows; obtaining the gray level change degree in the window according to the gray level information in the window and the gray level value dispersion degree; performing adaptive division on gray levels in the window according to the gray level change degree and the gray value probability distribution in the window; and obtaining a window gray-level co-occurrence matrix according to the self-adaptively divided gray levels in the window, obtaining the probability of existence of defects in the window according to the gray-level co-occurrence matrix of each window, and evaluating the quality of the corn oil. On the basis of ensuring the accuracy of corn oil product quality detection, the calculation amount is reduced, and the detection efficiency is improved.

The invention belongs to the technical field of bioengineering and food safety, and particularly relates to a fusion enzyme for degrading aflatoxin B1 (AFB1) and / or zearalenone (ZEN) and application of the fusion enzyme. The fusion enzyme S1-AsDPP III disclosed by the invention can effectively degrade AFB1 and ZEN, the fusion enzyme is obtained by fusing a section of self-assembled amphiphilic oligopeptide S1 sequence at the N end of wild type AsDPP III, and the thermal stability of the fusion enzyme and the amphipathy of the fusion enzyme in an oil-water coexistence system can be remarkably improved. Under mild reaction conditions, the fusion enzyme can efficiently degrade AFB1 and ZEN in vegetable oil, and is especially suitable for detoxification treatment of common edible oil such as peanut oil and corn oil. The invention provides a green, safe and efficient scheme for removing fungaltoxin from grease food, and the method has a good industrial application prospect.

The invention relates to a preparation method and application of antibacterial and starch aging resistant biphase gel, and belongs to the field of food processing. The preparation method is characterized by comprising the following steps: preparing oleogel from monoglyceride, corn oil and curcumin, preparing hydrogel from wheat bran araboxylan and tea polyphenol, mixing the oleogel and the hydrogel, adding lecithin, and homogenizing at a high speed to obtain the gel with a two-phase system. The biphase gel produced by the invention has the characteristics of zero trans-fat, high fiber content, simple preparation method and the like, realizes synergistic stability of oil and water phases, has both the mechanical strength of oil gel and the biocompatibility of hydrogel, can replace shortening in baked food, and has a wide application prospect. And the shelf life of the baked product is prolonged through the synergistic effect of antibiosis and starch aging resistance. The mass ratio of the oil phase to the water phase in the biphase gel is 1: 3-3: 1, the addition amount is 10-20% of the mass of the flour, the bacteriostasis rates on penicillium and rhizopus are 60-85% and 65-90% respectively, the starch crystallinity in the bread storage process is reduced by 10-20%, and the shelf life of the bread is prolonged by 10-20 days.

The invention relates to a preparation method of a super absorbent resin material, the resin is formed by polymerization of an acrylic monomer and konjac glucomannan, and the preparation method specifically comprises the following steps: adding konjac powder into water, adding a composite solvent and a dispersant Tween-80 to obtain a composite system 1, the composite solvent is composed of palm oil and any one of corn oil, soybean oil and rapeseed oil, and the dispersant Tween-80 is composed of a dispersant Tween-80 and a dispersant Tween-80. Continuously adding an initiator ammonium persulfate, initiating to obtain a compound system 2, then adding acrylic acid and NMBA, carrying out polymerization reaction, eluting the edible oil with diethyl ether and ethanol after the reaction is finished, drying, and crushing to obtain the super absorbent resin material. The acrylic monomer and the konjac glucomannan are polymerized to form the resin, the water absorption performance and the water retention performance of the material are effectively improved, the water absorption rate reaches 748.13 times, a small amount of ethyl alcohol is added on the basis to prepare the composite solvent, and the water absorption rate reaches 1018.96 times. The prepared resin material can be applied to hygienic products such as paper diapers and sanitary napkins.