Supplementary Table 5.

Results of auto-sampler stability of all analytes (n = 6).

Analytes	Concentration (ng/mL)	Mean ± SD	RSD	RE
Chlorogenic acid	5	5.156 ± 0.213	4.14%	3.12%
	50	49.668 ± 0.637	1.28%	−0.66%
	500	494.325 ± 9.584	1.94%	−1.13%
Hydroxysafflor yellow A	5	4.587 ± 0.345	7.53%	−8.26%
	50	51.730 ± 2.499	4.83%	3.46%
	500	445.193 ± 18.692	4.20%	−10.96%
Hyperoside	5	5.605 ± 0.106	1.90%	12.10%
	50	49.993 ± 1.567	3.13%	−0.01%
	500	496.332 ± 14.309	2.88%	−0.74%
Kaempferol-3-O-glucoside	5	4.871 ± 0.096	1.96%	−2.57%
	50	53.220 ± 0.849	1.59%	6.44%
	500	503.803 ± 13.019	2.58%	0.76%
Kaempferol-3-O-rutinoside	5	5.564 ± 0.086	1.55%	11.28%
	50	53.665 ± 1.318	2.46%	7.33%
	500	466.409 ± 9.188	1.97%	−6.72%
N-acetyl-L-glutamine	5	5.156 ± 0.213	4.14%	3.12%
	50	53.515 ± 1.230	2.30%	7.03%
	500	475.086 ± 11.904	2.51%	−4.98%
p-Coumaric acid	5	4.911 ± 0.361	7.35%	−1.78%
	50	49.060 ± 2.742	5.59%	−1.88%
	500	464.716 ± 15.671	3.37%	−7.06%
Rutin	5	5.127 ± 0.136	2.65%	2.55%
	50	53.819 ± 1.185	2.20%	7.64%
	500	466.02 ± 13.77	2.95%	−6.80%