Table 3.

Regression data for the 6 alkaloids.

Alkaloids	Calibration	R 2	Linear range (ng/mL)
AC	Y = 0.0879452X + 0.0532361	0.996	0.05~500
MA	Y = 0.119817X + 0.0288623	0.992	0.05~500
HA	Y = 0.10836X + 0.223721	0.994	0.05~500
BAC	Y = 0.0777178X + 0.059877	0.993	0.05~500
BMA	Y = 0.0663272X + 0.580478	0.991	0.05~500
BHA	Y = 0.0402479X + 0.116155	0.991	0.05~500