Research Article

Identification and Quality Evaluation of Raw and Processed Asarum Species Using Microscopy, DNA Barcoding, and Gas Chromatography-Mass Spectrometry

Figure 8

VIP score plot for PLS-DA of raw and processed Asarum samples: (1) safrole; (2) methyl eugenol; (3) 2,6,6-trimethylcyclohepta-2,4-dien-1-one; (4) cineole; (5) (+)-car-3-ene; (6) (−)-β-pinene; (7) (−)-borneol; (8) (1R)-(+)-alpha-pinene; (9) estragole; and (10) α-terpineol.