Gentiana macrophlla is rich in the trace elements such as Fe, Ni, Cu, Ca, Mg, and Gentiana officinalis is rich in the trace elements such as Mn, Zn, Cr.

• 秦艽中铁、锰、镍、铜、钙、镁的含量较高,而黄管秦艽中锰、锌、铬的含量较高。