313 results about "Alpha-Linolenic acid" patented technology

The present invention relates to fungal Δ-15 fatty acid desaturases that are able to catalyze the conversion of linoleic acid (18:2, LA) to alpha-linolenic acid (18:3, ALA). Nucleic acid sequences encoding the desaturases, nucleic acid sequences which hybridize thereto, DNA constructs comprising the desaturase genes, and recombinant host plants and microorganisms expressing increased levels of the desaturases are described. Methods of increasing production of specific omega-3 and omega-6 fatty acids by over-expression of the Δ-15 fatty acid desaturases are also described herein.

The invention relates to linseed oil microcapsule powder and a preparation process thereof. The microcapsule powder is prepared from the following components in parts by weight: 38-45 parts of linseed oil, 0.002-0.02 part of an antioxidant, 48-54 parts of a filling agent, 6-8 parts of an emulsifier, 0-0.1 part of a stabilizer and 65-80 parts of water. The preparation process comprises the following steps: preparing an aqueous phase, preparing an oil phase, performing pre-emulsification, homogenizing and granulating. According to the final product obtained in the technical scheme of the invention, the surface is spherical under an environment scanning electron microscope, the particle size ranges from 35 microns to 100 microns, and the obtained product is a quick-dissolving product and is high in liquidity, high in re-watering stability, high in microcapsule oil embedding rate, good in embedding performance, good in taste and high in absorption rate; and moreover, the preparation process is simple, large-scale production is conveniently realized, contact between the linseed oil and air is effectively isolated by virtue of the microcapsule embedding technology, the biological activity of alpha-linolenic acid in the linseed oil is protected, waste residues and wastewater are not produced in the production process, and the product is green and environment-friendly.

A production method of an ALPHA-linolenic acid microcapsule comprises the steps of: mixing cold pressed linseed oil and corn protein porous starch used as a carrier, coating with alcohol-dissolved corn protein liquid, and producing ALPHA-linolenic acid microcapsule with a rotary embedding method. The used corn protein porous starch and alcohol-dissolved corn protein are both natural food raw materials with good safety and stable properties, which can effectively powder liquid oil and fat, so as to prevent the oil and fat contacting with air and delay the oxidative deterioration of the unsaturated fatty acids in the linseed oil, and can block the unpleasant odor sent out from the linseed oil. The inventive production method is simple; and the obtained ALPHA-linolenic acid microcapsule can be conveniently stored and transported, and can be widely used in foods or nutritional health products.

The invention discloses a preparation method and application of a PTFE and polyester-based composite film for preventing wind turbine blades from icing. The method includes the steps that a bonding composite agent is adopted for lamination complexing, an interface adhesive is applied, and a pressure-sensitive adhesive is adopted for photo-initiated pressure-sensitive adhesive application. The bonding complexing agent is prepared from 3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate, vinyl acetate, ethyl carbamate, alpha-linolenic acid, benzoyl peroxide and (4)ethoxylated bisphenol A dimethacrylate; the photo-initiated pressure-sensitive adhesive is prepared from a poly[butyl acrylate-glycidyl methacrylate-n-butoxy methacrylamide]copolymer, butyl acrylate, (4)ethoxylated bisphenol A dimethacrylate, 4,4'-bis(diethylamino)benzophenone and dimethylformamide. The method and the composite film solve the non-adhesion technical problem that a PTFE film can not be pasted on the surfaces of wind turbine blades with an adhesive directly, the bonding peel strength is improved, and the composite film is suitable for wind turbine blades of various models.

The invention discloses blend oil rich in alpha-linolenic acid and capable of protecting the cardiovascular system. The blend oil is blended by at least five of linseed oil, eucommia seed oil, peony seed oil, purple perilla seed oil, walnut oil, tomato seed oil, safflower seed oil, acer truncatum seed oil and black sesame oil. The blend oil has the advantages that the content of the alpha-linolenic acid reaches 20-48%, the alpha-linolenic acid can convert into EPA and DHA needed by human bodies, the total content of saturated fatty acid is lower than 10%, and various fatty acids are coordinated in proportion and conform to the recommended amount of dietary nutrition guidelines; the raw material oil is obtained through cold pressing and physical refining, no chemically-synthesized antioxidant is added, and accordingly the blend oil is rich in active components capable of protecting the cardiovascular system and has an evident cardiovascular system protecting function.

The invention discloses edible fortified tea oil for pregnant women and a preparation method thereof. The oil is particularly designed for Chinese pregnant women based on selecting tea oil of the first degree refined with natural camellia oleosa seeds with high quality, fortifies DHA (dehydroepiandrosterone), EPA (eicosapentaenoic acid), arachidonic acid, Alpha-linolenic acid and vitamin A, and ensures that n-6/n-3 fatty acid in food for pregnant women reaches the optimal 4:1. Fatty acids with different structures in the oil reach a theoretical balance, and can satisfy the requirement of pregnant women for vitamin A at the same time. The edible fortified tea oil for pregnant women contains no additive or flavor, and contacts no chemical solvent in processing and storage and contains no harmful trans-fatty acid or pesticide residue. The tea oil has a pure and delicate unique flavor and accords with state standards for edible tea oil.

The invention discloses a flaxseed drink. The flaxseed drink comprises the following raw materials in parts by weight: drinking water 50-80, flaxseed water soluble powder 0.2-30, flaxseed gum 0.2-0.5, white granulated sugar 2-4, high fructose corn syrup 1-5, lecithin 0.04-0.1, a stabilizer 0.1-0.2, ethyl maltol 0.0006-0.001, aspartame 0.001-0.008, acesulfame potassium 0.01-0.03, lactic streptococcus 0.01-0.015, D-sodium erythorbate 0.01-0.015, vitamin E 0.008-0.01, tea polyphenols 0.012-0.015, an edible essence 0.01-0.03, and a proper amount of fruit and vegetable juice concentrate. The flaxseed drink is a health drink which is rich in alpha linolenic acid and a variety of balanced nutrients.

The invention aims at disclosing a perilla frutescens salad dressing and a preparation method of the perilla frutescens salad dressing. The perilla frutescens salad dressing with perilla frutescens nutrition and special flavor is prepared mainly by the raw material of dregs obtained after oil expression of perilla frutescens seeds and auxiliary materials such as fresh eggs, fresh milk and salad oil. The perilla frutescens salad dressing product prepared by the method has very high nutritive value; the dregs of the perilla frutescens have a large quantity of protein as well as alpha-linolenic acid and the like, so that the perilla frutescens salad dressing has unique flavor and taste, and can be widely used as table sauce for fruit salad, vegetable salad or pastry. The preparation method is easy to operate, and takes dregs of perilla frutescens oil as the raw material for preparing the salad dressing, thus turning waste into wealth and allowing perilla frutescens to have more applications.

The invention relates to a nutritious and healthy unit edible vegetable oil, which is characterized by adopting unit vegetable oil and fat rich in Omega-3 type polyunsaturated fatty acid and Alpha-linolenic acid as main materials, and adding algae oil rich in EPA and DHA. In the unit edible vegetable oil, the content of the algae oil is 0.05 percent to 5 percent of the weight of edible oil, and the content of the Omega-3 type polyunsaturated fatty acid is 8 percent to 70 percent of the weight of edible oil; and simultaneously the edible oil also adds an oxidizing agent as an additive. The nutritious and healthy unit edible vegetable oil has the advantages that: 1. by a reasonable formula of the edible oil, increasing the intake of the Omega-3 type polyunsaturated fatty acid, and further adding an effective path; 2. solving the defects of bad flavor and mouthfeel and poor stability of the edible oil added with algae oil; 3. adding a novel brain-strengthening health-care product, thus meeting the requirements of people for health diet; and 4. having strong market prospect.

The peony seed oil is rich in a great amount of unsaturated fattyacid, alpha-linolenic acid with maximal content in the peony seed oil is essential to the human body and has an important effect on improving the intelligence, protecting the vision and preventing cardiovascular and cerebrovascular diseases. But a majority of unsaturated fattyacid is easily oxidized, and the nutritional value of the peony seed oil is reduced. A preparation process of the water-soluble peony seed oil powder comprises the following steps of dissolving a wall material and an emulsifier into distilled water, stirring the wall material, the emulsifier and the distilled water until being adequately dissolved, slowly adding the peony seed oil to carry out the embedding at the temperature of 30 to 90 DEG C according to the ratio of the peony seed oil to the wall material of 1: 10 to 5: 10, adequately mixing the solution, homogenizing and emulsifying the mixture under the pressure condition of 100 to 1000 bar to obtain an emulsified solution, and carrying out spray drying or freezing drying on the emulsified solution, thus preparing the water-soluble peony seed oil powder product. The water-soluble powder product has the advantages that the oxidation of the peony seed oil can be prevented, convenience in carrying can be realized and the like, and after the water-soluble peony seed oil powder is added into the drinking water, a stable emulsion system with good dispersion can be formed. The water-soluble powder can be used as a mate for the drink such as coffee, contains no trans-fatty acids and is safe and nutritional.

The invention discloses a method for extracting boxthorn seed oil by supercritical CO2. The method comprises the following steps: a, drying and grinding boxthorn seeds and loading in extraction kettle; b, injecting the supercritical CO2 into the extraction kettle, and extracting under the temperature of 40-50 degrees centigrade, pressure of 30-40Mpa and CO2 flow rate of 8-18L/min for 2.5-4 hours; c, inducing the CO2 fluid solved with boxthorn seed oil into a separation kettle, separating out the boxthorn seed oil by adjusting temperature and pressure, compressing the CO2 gas and inducing into the extraction kettle for circulation. The invention has a simple process and convenient operation, avoids the organic solvent residue, shortens the extraction time, increases the boxthorn seed oil extraction efficiency, especially increases the contents of alpha-linolenic acid and gamma-linolenic acid in the boxthorn seed oil greatly.

The invention discloses a seafood soup stock comprising materials of, by weight: 1 to 3 particles of peeled shrimps, 1 to 3g of carrot, 2 to 4g of onion, 2 to 4g of crab meat stick, 1 to 3g of squid, 1.5g of parsley, 1.1g of common salt, 0.2g of a shrimp flavoring, 0.5g of chicken essence, 4g of eggs, 0.05g of pepper, 0.7g of maize starch, 0.8g of a seafood extract, 0.2g of a dried scallop extract, 0.2g of ginger, 0.16g of hydrolyzed vegetable protein, 0.5g of glucose, 0.9g of maltodextrin, and 0.03g of perilla oil. The seafood soup stock provided by the invention is advantaged in balanced nutrition, good color, good flavor, good taste, and food mouthfeel. The soup stock contains various nutrients, and provides positive effects and auxiliary therapeutic effects for human healthy. The alpha-linolenic acid contained in the soup stock is an unsaturated fatty acid assists in reducing blood fat, reducing blood pressure anticoagulation/thrombolysis, improving cardiovascular and cerebrovascular performances, reducing total cholesterol concentration, preventing cardiovascular diseases, inhibiting myocardial infarction and cerebral infarction, and preventing and inhibiting the forming of tumors. The soup stock is rich in trace elements such as calcium, phosphorous, iron, and magnesium. Therefore, the soup provides good heart protecting, hypoglycemic and cancer preventing effects. Also, the soup stock is beneficial for the strength and the hematogenesis functions of skeletons.

The invention discloses compound nutritional noodles and a preparation method thereof. The compound nutritional noodles are prepared by taking perilla frutescens, se-enriched mushrooms and buckwheat as main raw materials, wherein the organic selenium content of the compound nutritional noodles reaches 200 mu g/kg, and the alpha linolenic acid content of the compound nutritional noodles reaches 2%. The preparation method comprises the steps of: (1) preparation of se-enriched mushroom powder or se-enriched malt powder; (2) preparation of perilla frutescens pulp; (3) preparation of buckwheat powder; (4) determination of a formula of the nutritional noodles; and (5) preparation of the noodles. Research proves that due to the reasonable collocation of the perilla frutescens pulp, the se-enriched mushroom powder or the se-enriched malt powder and the buckwheat powder, strong nutrition and health care functions can be brought into play in the aspects of regulating the fat metabolism, enhancing the immunoregulation, reducing the high blood fat and low-density lipoprotein cholesterol, eliminating lead and detoxifying, protecting the liver and heart and blood vessels, and the like. Therefore, the compound nutritional noodles disclosed by the invention have the function of compound nutrition, increase the diet varieties, and can promote the health of people. The compound nutritional noodles are suitable for adults and children to eat.

The invention relates to health-caring blend oil rich in alpha-linolenic acid and nervonic acid, as well as a detection method thereof. The health-caring blend oil rich in the alpha-linolenic acid and the nervonic acid comprises the following ingredients in parts by weight: 10-45 parts of linseed oil, 0-15 parts of deep-sea shark oil, 0-10 parts of sorbifolia oil, 5-45 parts of walnut oil, 0-15 parts of tomato seed oil, 0-35 parts of camellia oleifera seed oil, 0-15 parts of olive oil, 3-25 parts of perilla seed oil, and 1-8 parts of black sesame seed oil; and the characteristic fatty acid compositions and the contents thereof are detected by combining HS-SPME-GC-MS. The linseed oil, the deep-sea shark oil, the sorbifolia oil, the camellia oleifera seed oil, the walnut oil, the olive oil, the tomato seed oil, the perilla seed oil and the black sesame seed oil are combined in the blend oil so as to prepare the health-caring blend oil; the ingredients are rationally matched, and health-caring blend oil of different types can be blended according to dietary structures of different populations. The prepared health-caring blend oil is capable of supplementing amino acid, vitamins, minerals and trace elements needed by the human body, as well as keeping nutrition balance; moreover, the blended final products are good in taste, color and luster, and are capable of increasing appetite.

The invention belongs to methods for preparing dendrocalamus oil powder grease with a microcapsule technology. Mixed wall materials are finely prepared by adopting sodium caseinate and maltodextrin in a compound mode, dendrocalamus oil is used as microcapsule core materials to be prepared, granulation is carried out through a spray drying method, the wall materials are made to coat the surfaces of the core materials, the liquid dendrocalamus oil is converted into powder, the dendrocalamus oil is prevented from being in direct contact with oxygen, light and other factors in external environment, the oxidation rate of the dendrocalamus oil is lowered, and the aim of the tolerance storage of the dendrocalamus oil is achieved. A dendrocalamus oil powder product prepared through the method is extremely high in nutrition value, the content of alpha-linolenic acid is richest, the flavor and the taste are unique, the approaches to application are wide, and the shelf life is long. The preparation method has the advantages of being easy and convenient to operate, continuous in production, safe, free of pollution and the like, and is suitable for the large-scale production of enterprises.