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采用修改的Ｓｔｕｍｐｆ法研究了两种海洋动物（灰凹贻贝Ｃｒｅｎｏｍｙｔｈｉｌｕｓ ｇｒａｉａｎｕｓ和中间球海胆Ｓｔｒｏｎｇｙｌｏｃｅｎｔｒｏｔｕｓ ｉｎｔｅｒｍｅｄｉｕｓ）和两种海洋植物（内枝多管藻Ｐｏｌｙｓｉｐｈｏｎｉａ ｍｏｒｒｏｗｉｉ、角托马尾藻Ｓａｒｇａｓｓｕｍ ａｅｍｕｌｕｍ）的脂肪酸组成，其结果如下．１．灰凹贻贝的肝脏中含有大量的ＤＨＡ（占总脂的１４．２６％）；２．中间球海胆的总脂中含有１５．６９％的ＥＰＡ；３．内枝多菅藻脂中的主要脂肪酸为ＥＰＡ，占总脂的４５．０３％：４．角托马尾藻中的ＡＡ含量为其总脂的１９．３４％．因此，上述４种海洋生物，是提取ＥＰＡ、ＡＡ和ＤＨＡ的好材料．
The modified Stumpf method was used to study the fatty acid composition of two marine animals (Crenomythilus graianus and Strongylocentrotus intermedius) and two marine plants (Polysiphonia morrowii, Sargassum aemulum) The result is as follows. 1. Gray mussel liver contains large amounts of DHA (14.26% of total fat); 2. The total fat in the middle ball sea urchin contains 15.69% EPA; 3. The main fatty acid in the inner part of Najamanol is EPA, accounting for 45.03% of the total fat: 4. The content of AA in Sargassum sp. Was 19.34% of its total fat. Therefore, the above-mentioned 4 kinds of marine organisms are good materials for extracting EPA, AA and DHA.