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。

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Linoleic acid was enriched by urea adduct method of the refined oil, resulting an increasing of linoleic acid methyl ester content from 78.39% of the crude oil to 93.75%.

精油经过皂化后，采用尿素包合法富集不饱和脂肪酸，可使亚油酸甲酯的含量由粗油中的78.39%提高到93.75%。

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The crude rice bran oil with high acid value should be refined with physical refining, including degumming, bleaching, de-acidification, dewaxing, defatting.

米糠浸出所得到的毛糠油为一种高酸值毛油，采用物理精炼工艺在提高油脂精炼率和经济效益方面具有明显的优势。

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