Table 2.

Calibration curves, linear ranges, LOQ and LOD of 13 detected compounds (n = 3).

Compound	Linear	Linear Range (μg/mL)	r	LOQ (μg/mL)	LOD (μg/mL)
Taurine	y = 0.0707x − 0.0005	10.03–0.40	0.9999	0.1300	0.0390
Ginsenoside Rg1	y = 0.0574x − 0.0102	7.51–0.75	0.9998	0.6000	0.1800
Arenobufagin	y = 0.3438x − 0.0003	5.02–0.40	0.9996	0.0300	0.0090
TDCA	y = 0.0125x − 0.0061	25.28–3.75.	0.9992	1.7000	0.5100
TCA	y = 0.0525x − 0.0094	10.53–0.75	0.9996	0.6000	0.1800
Bufalin	y = 1.1663x + 0.0624	4.01–0.40	0.9999	0.0032	0.0010
CA	y = 0.0909x − 0.0211	10.07–1.01	0.9998	0.7800	0.2340
Cinobufagin	y = 0.1767x + 0.0523	5.02–0.75	0.9998	0.0003	0.0010
Resibufogenin	y = 0.9504x − 0.0596	4.01–0.50	0.9993	0.2100	0.0630
Ginsenoside Rg3	y = 0.048x + 0.0256	2.01–0.01	0.9994	0.0041	0.0012
CDCA	y = 0.2824x − 0.0241	5.01–0.75	0.9993	0.2900	0.0870
DCA	y = 0.2049x + 0.0145	4.01–0.40	0.9990	0.0050	0.0015
Tanshinone IIA	y = 34.5600x − 0.0030	0.05–0.01	0.9995	0.0042	0.0013