Regularities of distribution of Tanshinone II_A and Element of Salvia from Root of Salvia Miltiorrhiza

Using high performance liquid chromatography it is to analyze distribution regularities of available composition from leather part and xylem of root of salvia.The results are that contents of element of salvia and Tanshinone ⅡA respectively 1.65% and 0.34% in leather part,contents of element of salvia and Tanshinone ⅡA respectively 1.26% and 0.056% in xylem.