Method for extracting omega 6 polyunsaturated fatty acid from plant seeds

Abstract

The invention relates to a method for extracting omega-6 polyunsaturated fatty acid from plant seeds, eliminating impurities from the plant seeds, properly preprocessing and then roughly crushing, making microwave vibration to break their walls and rapidly drying and finely crushing to make them into powder of a certain size, making supercritical CO2 fluid extraction on the made powder, selectively extracting, separating and purifying omega-6 polyunsaturated fatty acid in the raw material on proper conditions. The invention fully uses the raw material, and does not produce waste residues and waste steam and pollute the environment. The products have high physiological activity and excellent taste.

Description

technical field

[0001] The invention belongs to the extraction method of omega-6 polyunsaturated fatty acid, especially refers to the extraction from plant seeds. Background technique

[0002] In the molecule of cis polyunsaturated fatty acids, the double bond farthest from the carboxyl group is called omega-6 polyunsaturated fatty acids on the penultimate 6th carbon atom, among which linoleic acid, γ-linolenic acid, peanut Tetraenoic acid must be ingested from food because it cannot be synthesized by itself in the body. It is called essential fatty acid, especially linoleic acid, which is indispensable to the human body and cannot be converted by other fatty acids in the human body, while γ-linolenic acid and arachidonic acid are Alkenic acid can be obtained by conversion of linoleic acid in the human body. The human cell membrane controls electron transfer, regulates the entry of nutrients into cells and the discharge of intracellular waste, and fatty acids have a decisiv...