Influences of Corydalis decumbens on the Activities of CYP450 Enzymes in Rats with a Cocktail Approach

Table 1

The calibration curve of phenacetin, metoprolol, midazolam, omeprazole, and tolbutamide in plasma (n=6).

Analytes	Calibration curves	R^2	linear range (ng·mL)
Phenacetin	Y=0.502240X+0.010662	R^2=0.9984	2.5-1000ng/ml
Metoprolol	Y=0.301110X+0.063879	R^2=0.9903	2.5-1000ng/ml
Midazolam	Y=0.219790X+0.011036	R^2=0.9965	0.5-200ng/ml
Omeprazole	Y=0.556111X+0.030624	R^2=0.9970	1-1000ng/ml
Tolbutamide	Y=0.536867X+0.081507	R^2=0.9952	20-8000ng/ml