Ginsenosides in Commercial Ginseng Products Analyzed by Liquid Chromatography-Tandem Mass Spectrometry

Table 1

Classification of ginsenosides in terms of their aglycones PPD or PPT.

Ginsenoside	MW (Da)	Molecular formula	R1	R2	R3
PPD	460.39	C30H52O3	H	H	H
Rb1	1109.29	C54H92O23	Glc^2-Glc	Glc^6-Glc	H
Rb2	1079.27	C53H90O22	Glc^2-Glc	Glc^6-Ara(p)	H
Rb3	1079.27	C53H90O22	Glc^2-Glc	Glc^6-Xyl	H
Rc	1079.27	C53H90O22	Glc^2-Glc	Glc^6-Ara(f)	H
Rd	947.15	C48H82O18	Glc^2-Glc	Glc	H
Rg3	785.01	C42H72O13	Glc^2-Glc	H	H
PPT	476.38	C30H52O4	H	H	OH
Re	947.15	C48H82O18	H	Glc	O-Glc^2-Rha
Rg1	801.03	C42H72O14	H	Glc	O-Glc

Glc: 𝛽-D-glucose; Ara(p): 𝛼-L-arabinose(pyranose); Ara(f): 𝛼-L-arabinose-(furanose); xyl: xylose; Rha: 𝛼-L-rhamnose.