Phospholipid punicic acid grease compound, preparation method and application thereof

Abstract

The invention provides a phospholipid punicic acid grease compound, a preparation method and an application thereof. The phospholipid punicic acid grease compound is prepared from the following components by mass percent: 55-85% of diglyceride, 10-45% of triglyceride, 0.2-8% of monoglyceride and 0.03-9% of residue; the mass ratio of punicic acid to fatty acid in the whole glyceride composed of monoglyceride, diglyceride and triglyceride is (0.3-0.7):1; the residue contains free fatty acid and glycerinum. The invention relates to the preparation method for the compound and the application of the compound in functional food and drugs. The phospholipid punicic acid grease compound prepared according to the invention has a weight-losing effect of diglyceride and also has the anti-inflammatory and weight-losing effects of punicic acid, so that the compound can be used in the functional food and drugs for controlling weight, improving blood fat and enhancing immunity. In a word, the compound has the advantages of simple preparation process, low cost and wide application prospect.

Description

technical field [0001] The invention relates to the technical field of applied chemistry, in particular to a phospholipid type punicic acid oil composition and its preparation method and application. Background technique [0002] Diacylglycerol ol ) is a structural lipid in which a fatty acid in a triacylglycerol is replaced by a hydroxyl group. It is a trace component of natural vegetable oils and the endogenous middle of fat metabolism in the body. It has two natural isomers, namely 1 ,2-diglycerides and 1,3-diglycerides [0003] At present, after a number of safety assessments, it is found that diglyceride is non-toxic and harmless to the human body, and it is recognized as a "generally recognized safe" substance by the US FDA. In 2009, the Chinese Ministry of Health announced No. 18 to approve diglyceride oil and other 7 items For new resource food. Although diglycerides and triglycerides are basically the same in terms of energy value and absorption rate, there are l...

AI Technical Summary

Problems solved by technology

[0004] At present, the preparation methods of diglyceride mainly include the following types: (1) triglyceride alcoholysis method: that is, under the catalysis of lipase, triglyceride reacts with lower alcohol to generate diglyceride and lower alcohol ester, but the The lipases Novozyme 435 and Lipozyme IM used in the method can only specifically decompose or synthesize the ester bond at the sn-1 or sn-3 position, so only 1,2-diglyceride can be obtained

(2) Partial hydrolysis and esterification method: First, partial hydrolysis of triglycerides to obtain fatty acids, then adding glycerol, under the catalysis of sn-1 and sn-3 position selective lipase, glycerol and fatty acids obtained by partial hydrolysis to generate esters Chemical reaction to generate 1,3-diglyceride. Most of the current diglycerides, including EnovaTM Oil produced by Kao Company, are developed based on this principle. The biggest disadvantage of this method is that the process is complicated and requires multi-step separation. In addition The utilization rate of raw materials is low, and lipase needs to be used in addition, but the price of lipase is relatively high, and there are problems such as high cost for industrial scale production of diglycerides

(3) Glycerol hydrolysis method: mixing triglyceride oil with glycerin and an alkali metal salt or alkaline earth metal salt containing a monocarboxylic acid or a dicarboxylic acid or a mixture thereof (as a catalyst), through alcoholysis of triglyceride , to produce commercial, food-grade 1,3-diglyceride oil, but the conventional glycerolysis needs to be reacted at a high temperature of 220~260 ° C, so that the oxidation of triglycerides, diglycerides and fatty acids, especially unsaturated fatty acids increase

The punicic acid and its esters and salts prepared by the method of the invention contain a purity of 30-80% of the punicic acid. The invention uses natural edible plants as raw materials, and the resulting product has high safety and has a relatively broad application prospect. However, the method There is still room for improvement in the extraction effect and the decolorization effect of crude oil

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