METHODS:Amino acid, fish oil and polysaccharide were one by one isolated and refined from the head of eel by enzymatic hydrolytic methods.
方法：采用酶解法分离鳗鱼头中氨基酸、鱼油和多糖并分别进行了精制。
2
Linoleic acid was enriched by urea adduct method of the refinedoil, resulting an increasing of linoleic acid methyl ester content from 78.39% of the crude oil to 93.75%.
The crude rice bran oil with high acid value should be refined with physical refining, including degumming, bleaching, de-acidification, dewaxing, defatting.