The method employs deriva-tization of the acids to their esters using boron trifluoride -methanol,seperated by 5%DEGS +1%H 3 PO 4 column.

• 样品采用三氟化硼-甲醇溶液酯化；用质量分数为5%25DEGS+质量分数为1%25H3PO4高效色谱柱分离。 结果:EPA、DHA的回收率分别为96.；2%25±3%25和95