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 3

Linear regression data and validation of the developed method for 24 investigated compounds in G. biloba leaves.

Analytes	Linear regression data			LOD (ng/mL)	LOQ (ng/mL)
	Regression equation	𝑅^2	Linear range (𝜇g/mL)
1	𝑦=2741.8𝑥+9.3	0.9999	0.02–16.00	1.36	4.01
2	𝑦=2017.6𝑥−59.4	0.9999	0.02–12.40	0.40	1.30
3	𝑦=1413.8𝑥−48.2	0.9996	0.02–16.10	0.59	1.98
4	𝑦=16288.4𝑥−425.7	0.9999	0.01–24.80	0.11	0.36
5	𝑦=13035.1𝑥+502.1	0.9997	0.01–15.30	0.75	2.28
6	𝑦=12396.4𝑥+1151.5	0.9995	0.01–39.20	0.20	0.65
7	𝑦=19595.7𝑥+2301.8	0.9996	0.01–14.80	0.11	0.35
8	𝑦=8072.4𝑥+2614.6	0.9958	0.01–38.40	0.15	0.47
9	𝑦=8538.6𝑥+614.3	0.9995	0.01–5.20	0.14	0.47
10	𝑦=12519.5𝑥+7421.4	0.9903	0.01–23.60	0.04	0.13
11	𝑦=1782.3𝑥+752.6	0.9975	0.02–33.20	0.40	1.35
12	𝑦=26238.7𝑥+2228.9	0.9982	0.01–4.20	2.80	8.52
13	𝑦=9693.8𝑥+2468.7	0.9952	0.02–4.70	1.26	3.68
14	𝑦=14900.4𝑥+773.9	0.9994	0.01–4.12	0.20	0.66
15	𝑦=2466.5𝑥+607.2	0.9985	0.02–4.30	2.56	7.60
16	𝑦=27430.1𝑥−1049.6	0.9989	0.02–4.35	0.80	2.47
17	𝑦=21921.4𝑥+4997.8	0.9951	0.02–13.20	0.65	1.83
18	𝑦=11839.7𝑥+10793.6	0.9971	0.05–23.60	0.33	1.02
19	𝑦=28959.2𝑥+2819.2	0.9984	0.04–18.90	3.50	10.70
20	𝑦=5535.3𝑥+2104.1	0.9935	0.09–18.60	1.20	3.71
21	𝑦=10386.1𝑥+6123.9	0.9963	0.10–21.00	0.40	1.33
22	𝑦=11892.2𝑥+12144.9	0.9959	0.06–16.00	0.33	1.06
23	𝑦=6383.2𝑥+45230.4	0.9985	0.01–20.80	0.04	0.13
24	𝑦=1455.5𝑥+4698.7	0.9953	0.02–17.60	0.04	0.13