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. Author manuscript; available in PMC: 2019 Nov 2.
Published in final edited form as: J Chromatogr A. 2018 Sep 7;1574:114–121. doi: 10.1016/j.chroma.2018.09.011

Table 2.

Peak distribution in the negative ion mode mass spectra.

Ginsenoside Molecular
Formula		 Molecular
Mass
(g/mol)		 m/z a
Rb1 C54H92O23 1109.31 1107.5, 1108.5, 1109.5, 1153.5, 1154.5
Rb2 C53H90O22 1079.29 829.5, 1077.4, 1078.4, 1079.4, 1123.5, 1191.4, 1192.4
Rb3 C53H90O22 1079.29 1077.5, 1078.5, 1079.5, 1123.5, 1124.5, 1125.5, 1191.3
Rc C53H90O22 1079.29 829.4, 830.4, 1077.5, 1078.5, 1079.5, 1123.5, 1124.5, 1191.6
Rd C48H82O18 947.17 945.6, 991.7, 992.7, 1059.5, 1060.5
Re C48H82O18 947.17 991.7, 992.7, 993.7, 1059.5
Rf C42H72O14 801.03 799.3, 800.3, 845.5, 846.5, 847.5, 913.4
Rg1 C42H72O14 801.03 845.4, 846.4
Rg2 C42H72O13 785.03 829.5, 830.5, 831.5, 897
Rg3 C42H72O13 785.03 783.4, 829.4, 830.4, 831.4, 897.3
Rh1 C36H62O9 638.89 683.4, 684.4
Rh2 C36H62O8 622.89 667.4, 668.4, 669.4
a

All m/z peaks had relative abundance values greater than 10%.

b

The underlined m/z represents the most abundant peak signal in the mass spectra