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

Figure 5

PLS-DA score scatter plot for samples collected from different species: (1) Asarum sieboldii Miq.; (2) Asarum maximum Hemsl.; (3) Asarum heterotropoides Fr. Schmidt var. mandshuricum (Maxim.) Kitag.; and (4) Asarum sieboldii Miq. var. seoulense Nakai (R²X = 0.895, R²Y = 0.361, Q² = 0.246) (1, Jingyu; 2, Yanbian; 3, Fushun; 4, Zhaotong; 5, Guilin; 6, Shennongjia; 7, Xinbin; 8, Tiexi; 9, Dingxi; 10, Changzhi; 11, Bijie; 12, Benxi; 13, Panjin; 14, Chifeng; 15, Qinling; 16, Yulin).