epi

1.Thanks a jillion!New epi!

新剧慢慢追，谢谢分享！

2.Another means of extracting DHEA is introduced,Extracting DHEA fro m the residue of sweet potato,namely,Dehydro epi androsterone.

介绍DHEA的另一种提取方法,从红薯废料———薯渣中提取DHEA,即去氢雄酮。