A Study on TLC and Extractive Technology of Panax japonicum C. A. Mey. var. major (Burk.) C. Y Wu et K. M. Feng Growing in Qingba Mountain Area Study on Extraction Process of Zhanjin Ruji Determination of Notoginsenoside R in Radix Notoginseng by HPLC-ELSD Studies on the Fingerprint of Radix Notoginseng and Its Preparation Determination of notoginsenoside R1, ginsenoside Rg1 and Rb1in Radix Notog inseng and its preparation by HPLC-ELSD