Characterization and Quantification of Luteolin-Metal Complexes in Aqueous Extract of Lonicerae Japonicae Flos and Huangshan Wild Chrysanthemum

Table 3

Retention time and peak area of Huangshan wild chrysanthemum decoction (, n = 3).

No.	20% formic acid-methanol sample		Methanol sample		Increase in peak area (%)
	Retention time	Peak area	Retention time	Peak area
1	33.77	25286.71 ± 1699.06	33.908	7805.70 ± 689.08	223.95
2	34.937	72512.27 ± 4872.24	35.089	24210.14 ± 2137.26	199.51
3	36.446	34578.05 ± 2323.36	36.556	9695.21 ± 855.89	256.65
4	42.804	60551.63 ± 4068.58	42.970	19756.52 ± 744.10	206.49
5	48.329	7949.30 ± 534.13	48.391	1785.63 ± 157.63	345.18
6	55.575	3824.70 ± 256.99	55.591	936.94 ± 82.71	308.21
7	57.305	1077.09 ± 72.37	57.309	224.54 ± 19.82	379.69
8	58.698	3877.06 ± 260.51	58.714	1091.58 ± 96.36	255.18
9	60.240 (luteolin)	1538.59 ± 103.38	60.258 (luteolin)	664.29 ± 58.64	131.61
10	61.677	1253.40 ± 84.22	61.674	479.94 ± 42.37	161.16