Supplementary Table 2.

Results for intra-precision, inter-precision, intra-accuracy, and inter-accuracy of analytes (n = 6).

Analytes	Concentrations (ng/mL)	Precision (RSD)		Accuracy (RE)
		Intra-precision	Inter-precision	Intra-accuracy	Inter-accuracy
Chlorogenic acid	5	2.99%	4.55%	−3.03%	−5.43%
	50	3.86%	4.09%	5.08%	4.59%
	500	3.33%	3.92%	−7.86%	−6.04%
Hydroxysafflor yellow A	5	3.55%	7.48%	8.48%	3.08%
	50	5.87%	4.89%	3.61%	3.57%
	500	4.51%	3.17%	−9.49%	−9.95%
Hyperoside	5	3.21%	3.77%	6.07%	10.42%
	50	2.57%	4.98%	8.14%	4.87%
	500	2.35%	3.31%	−6.96%	−7.41%
Kaempferol-3-O-glucoside	5	2.19%	2.42%	2.92%	4.81%
	50	1.63%	2.18%	5.98%	4.41%
	500	2.49%	3.33%	−9.48%	−8.02%
Kaempferol-3-O-rutinoside	5	7.45%	5.67%	0.19%	2.70%
	50	2.31%	2.86%	8.97%	7.69%
	500	3.71%	4.26%	−8.31%	−5.51%
N-acetyl-L-glutamine	5	2.63%	3.26%	5.13%	7.35%
	50	4.53%	4.68%	1.91%	4.29%
	500	0.97%	2.08%	10.98%	9.53%
p-Coumaric acid	5	1.51%	5.03%	1.01%	3.18%
	50	3.53%	3.62%	5.41%	6.99%
	500	3.95%	4.35%	3.76%	1.86%
Rutin	5	3.88%	3.92%	−11.51%	−8.28%
	50	2.03%	3.07%	5.37%	6.72%
	500	4.81%	4.17%	−0.23%	−1.03%