Differ- ent el ements of Zn,Cu,Mn,Cr,Fe,Ge in Astragholicus,Zn,Se,Cr, Ge in Polygonum multiflorum and Zn,Cu,Mn,Cr,Fe,Ge in elata Blume Gastrodia had diffenent effects on mice.

• 黄芪中微量元素含量有 Zn、Cu、Mn、Cr、Fe、Ge; 天麻中 Zn、Se、Cr、Ge;