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PCA score plots of P. ginseng samples analyzed by (a) gas chromatography time-of-flight mass spectrometry (GC-TOF-MS) and (b) ultrahigh performance liquid chromatography-linear trap quadrupole-ion trap-tandem mass spectrometry (UHPLC-LTQ-IT-MS/MS). : non-treated white ginseng (WG); : UHP-treated white ginseng (UWG), : non-treated red ginseng (RG); : UHP-treated red ginseng (URG), : non-treated ginseng berry (GB); : UHP-treated ginseng berry (UGB).
