Figure 4From: Quality assessment on Polygoni Multiflori Caulis using HPLC/UV/MS combined with principle component analysisChromatographic fingerprints of L-PMC-11 (A) and L-PMC-10 (B) detected at 290 nm. The embedded photos are original raw plant materials of L-PMC-11 and L-PMC-10, respectively. The figures show the original morphologies and the different fingerprints of the PMC samples.Back to article page