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 3

Results of optimization for product ions and normalized collision energy.

Compounds	Negative			Positive
	Precursor ion	Product ion	NCE (%)	Precursor ion	Product ion	NCE (%)
Noto R1	977.53	931.53	15	955.52	775.46	30
Noto R2	815.48	769.48	15	793.45	335.10	35
Rb1	1107.60	945.54	25	1131.59	365.11	30
Rb2	1123.59	1077.58	10	1101.58	335.10	35
Rb3	1123.59	1077.58	10	1101.58	335.10	35
Rc	1123.59	1077.58	10	1101.58	335.10	35
Rd	991.55	945.54	15	969.54	789.48	30
Re	991.55	945.54	15	969.54	789.48	30
Rf	845.49	475.38	30	823.48	365.11	40
Rg1	845.49	799.48	15	823.48	643.42	25
Rg2	829.50	783.49	15	807.49	349.11	35
Rg3	829.50	783.49	20	807.49	365.11	35
Rh1	683.44	637.43	15	661.43	203.05	35
Rh2	667.44	621.44	15	645.43	203.05	35
Ro	955.49	793.44	30	979.49	641.40	25
F1	683.44	637.43	15	661.43	203.05	30
F2	829.50	783.49	20	807.49	627.42	30
F11	845.49	653.43	30	823.48	497.36	40