Research Article
Effect Study of Continuous Monoculture on the Quality of Salvia miltiorrhiza Bge Roots
Figure 2
The HPLC chromatogram of the lipophilic reference compounds of Salvia miltiorrhiza. The peaks are 5 (dihydrotanshinone I), 6 (cryptotanshinone), 7 (tanshinone I), and 8 (tanshinone IIA).