Chemical Differentiation and Quantitative Analysis of Different Types of Panax Genus Stem-Leaf Based on a UPLC-Q-Exactive Orbitrap/MS Combined with Multivariate Statistical Analysis Approach

Table 4

Precision and repeatability for the eighteen ginsenosides in ginseng stem-leaf.

Compounds	RSD (%) precision ()		RSD (%) repeatability ()
	−ESI PRM	+ESI PRM	−ESI PRM	+ESI PRM
R1	2.30	2.34	5.63	2.94
R2	4.31	2.93	7.28	2.73
Rb1	2.44	3.93	4.14	3.31
Rb2	2.89	4.47	4.54	2.90
Rb3	4.50	4.67	3.52	4.05
Rc	3.60	2.42	4.05	2.18
Rd	3.21	1.83	7.14	7.28
Re	2.47	2.04	7.85	5.88
Rf	2.76	2.24	8.56	2.46
Rg1	3.26	2.15	4.98	6.41
Rg2	3.40	1.38	9.30	3.04
Rg3	3.76	2.40	2.89	10.05
Rh1	1.93	2.14	7.32	8.33
Rh2	3.07	2.50	4.11	7.62
Ro	1.18	1.17	4.85	5.04
F1	3.22	2.05	2.43	4.40
F2	2.93	4.07	8.26	7.35
F11	3.02	3.33	4.36	6.24