. 2011 Jan 10;16(1):477–492. doi: 10.3390/molecules16010477

Table 2.

Seven major ginsenosides detected by ESI-MS analysis.

Ginsenosides retention order	Empirical Formula	Molecular weight (Da)	Concentration within extract (mg g⁻¹)	Main Ion Fragments, m/z
Ginsenosides retention order	Empirical Formula	Molecular weight (Da)	Concentration within extract (mg g⁻¹)	[M − H]⁻	Others
Rg1	C₄₂H₇₂O₁₄	801	47.40 ± 4.28	799.6	841.5, 885.3, 927.6
Re	C₄₈H₈₂O₁₈	947	61.62 ± 5.10	945.5	991.4,1110.4,1149.3
Rf	C₄₂H₇₂O₁₄	801	6.14 ± 0.28	799.6	835.5, 1127.4
Rb1	C₅₄H₉₂O₂₃	1109	21.73 ± 1.29	1107.8	1153.3, 1170.5
Rc	C₅₃H₉₀O₂₂	1079	78.79 ± 4.15	1077.6	1123.3,1209.6,1462.7
Rb2	C₅₃H₉₀O₂₂	1079	56.80 ± 3.79	1077.6	1123.4,1150.4, 1209.6
Rd	C₄₂H₇₂O₁₄	947	5.90 ± 0.41	945.6	991.4, 1119.5