Simultaneous Quantification of Flavonol Glycosides, Terpene Lactones, Biflavones, Proanthocyanidins, and Ginkgolic Acids in Ginkgo biloba Leaves from Fruit Cultivars by Ultrahigh-Performance Liquid Chromatography Coupled with Triple Quadrupole Mass Spectrometry

Table 2

The molecular weight (MW), MRM transitions, cone voltage, collision energies, retention times (Rt), and ion mode of 24 target compounds.

Compounds	MW	MRM transitions	Cone voltage (V)	Collision energies (eV)	Rt (min)	Ion mode
1	306	305.16 > 124.85	28	20	1.34	ES^−
2	290	289.16 > 202.94	32	20	1.64	ES^−
3	290	289.16 > 108.82	32	26	2.14	ES^−
4	610	609.35 > 300.27	52	34	3.16	ES^−
5	464	463.28 > 300.22	38	28	3.38	ES^−
6	326	325.22 > 162.95	18	20	3.59	ES^−
7	610	609.35 > 300.08	50	34	3.70	ES^−
8	440	439.28 > 383.06	24	14	3.68	ES^−
9	448	449.22 > 30.313	12	12	4.05	ES^+
10	424	423.28 > 367.22	24	14	5.56	ES^−
11	408	407.28 > 319.14	30	14	5.58	ES^−
12	286	285.09 > 132.86	44	32	5.77	ES^−
13	302	301.09 > 150.89	36	22	5.79	ES^−
14	270	269.16 > 116.90	40	34	6.83	ES^−
15	286	285.09 > 92.73	48	34	7.05	ES^−
16	316	315.16 > 299.99	38	22	7.31	ES^−
17	538	537.28 > 375.07	48	40	8.25	ES^−
18	552	551.28 > 519.19	52	30	9.14	ES^−
19	284	283.16 > 268.02	36	26	9.62	ES^−
20	566	567.28 > 120.94	70	44	10.54	ES^+
21	566	567.28 > 134.94	70	44	10.71	ES^+
22	580	581.35 > 134.93	68	44	12.24	ES^+
23	320	319.35 > 105.89	38	36	14.91	ES^−
24	346	345.35 > 105.88	38	44	14.96	ES^−