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SIM mode analysis of PPT-type ginsenosides in wild-type and mutant lines using an LC-IT-TOF-MS system. (A-B) MS spectrum of protopanaxatiol (A) and protopanaxatiol (B) standard aglycone. (C) SIM chromatograms of ginsenoside extracts from wild-type roots. (D-E) SIM chromatograms of ginsenosides of two putative mutant lines (Cr3 and Cr7).
