Figure 1.
Workflow for the study design.
Figure 2.
(A) rhizomes and (B) main roots.
Figure 3.
Typical chromatograms of rhizome of P. notoginseng.
(a) HPLC-UV, (b) UPLC-PDA and (c) CE-UV, including (1) notoginsenoside R1,(2) ginsenoside Rg1, (3) ginsenoside Re, (9) ginsenoside Rb1, (11) ginsenoside Rd.
Figure 4.
Typical chromatograms of main roots of P. notoginseng.
(A) HPLC-UV, (B) UPLC-PDA and (C) CE-UV.
Figure 5.
PCA scores plots of four methods with 95% confidence ellipses.
red dot are rhizomes, black dot are main roots.
Figure 6.
Dendrograms resulting of cluster analysis.
(A) UPLC data, (B) HPLC data (C) CE and (D) NIR data. The red colored samples represent the rhizomes.
Figure 7.
PCA scores plots of the testing samples.
The red cross represent the testing rhizome samples. The black cross are mainroot samples.
Figure 8.
Dendrograms resulting of testing samples.
Table 1.
The discriminatory variables identified from VIP values.
Table 2.
The identification of peaks in rhizome and main roots by LC-MSn.