[Analysis on the trace element and amino acid content in xinjiang 6 series Rhodiola L. plant].

Trace elements Na, K, Mg, Ca, Mn, Fe, Cu, Zn, Se and 20 kinds of amino acid in Xinjiang 6 series of Rhodiola's root and rootstalk were measured. The result shows that contents of 9 kinds of trace elements in them are different. They contain from 8 to 18 kinds amino acid, and also contain from 3 to 7 kinds of indispensable amino acid respectively. Rhodiola rosea L. contains most kinds of amino acid among six kinds of Rhodiola L. in Xingjiang, and contents of trace elements in it are also moderate, so it is fittest to be a nutrious chinese traditional and herbal drug of six kinds of Rhodiola L. in Xingjiang.