【摘要】 ＥＰＡ（二十碳五烯酸）和ＤＨＡ（二十二碳六烯酸）是近２０年来人类对海洋生物天然产物研究的一大主题，并从基础研究、药理研究逐步发展到实用研究。本文较详细地介绍了ＥＰＡ和ＤＨＡ的资源、生理作用和目前的生物合成与转化的方法以及提纯和有实际意义的实践更多还原

【Abstract】 EPA(Eicosapentaenoic acid) and DHA(Docosahexenoic Acid) are the main question for study or discussion in the nature production of the marine organisms for the last twenty years,and this study has been developing from the basic research and the pharmacodynamic study to practical probe.This paper will give a minute introduction to the resources of EPA and DHA,the physiological action and the methods of biosynthesis and transformation,the parification and the practical or immediate significance.更多还原