Supplementary Table 3.

Results for matrix effect of analytes (n = 6).

Analytes	Concentration (ng/mL)	Matrix effect
		(Mean ± SD)%	RSD%
Chlorogenic acid	5	97.59 ± 3.65	3.74
	50	98.37 ± 1.70	1.73
	500	103.42 ± 5.28	5.10
Hydroxysafflor yellow A	5	100.86 ± 0.88	0.88
	50	98.95 ± 4.01	4.06
	500	102.96 ± 3.59	3.49
Hyperoside	5	100.52 ± 5.01	4.98
	50	100.97 ± 2.67	2.64
	500	101.35 ± 3.68	3.64
Kaempferol-3-O-glucoside	5	96.12 ± 2.14	2.23
	50	100.37 ± 3.73	3.71
	500	99.40 ± 4.08	4.10
Kaempferol-3-O-rutinoside	5	109.14 ± 1.28	1.17
	50	100.85 ± 2.00	1.98
	500	99.99 ± 5.80	5.80
N-acetyl-L-glutamine	5	101.21 ± 1.80	1.78
	50	100.81 ± 2.33	2.31
	500	99.21 ± 4.21	4.24
p-Coumaric acid	5	99.56 ± 6.78	6.81
	50	102.13 ± 2.70	2.64
	500	97.67 ± 3.88	3.97
Rutin	5	101.12 ± 5.03	4.97
	50	100.57 ± 2.40	2.38
	500	98.90 ± 4.86	4.91