Table 2.

Calibration curves, linear ranges, LOD, and LLOQ of six BAs.

No.	Compounds	Regression Equation	r	Linear Range (mg/mL)	LLOQ (mg/mL)	LOD (mg/mL)
1	KBA	Y = 2145.1X − 25.865	0.9960	0.104~1.04	0.054	0.021
2	AKBA	Y = 19549X − 151.53	0.9925	0.102~1.02	0.039	0.014
3	α-BA	Y = 1169.3X − 7.466	0.9997	0.106~1.06	0.087	0.032
4	β-BA	Y = 170852X + 4894.1	0.9957	0.101~1.01	0.035	0.011
5	α-ABA	Y = 300.64X − 46.221	0.9987	0.98~9.8	0.79	0.33
6	β-ABA	Y = 98.805X − 29.213	0.9986	0.98~9.8	0.59	0.28