Research Article

Detection of the Content of Two Coumarins, IM and ISOIM, and Their Mechanism of Action on Colitis Rats in Angelica albicans

Table 2

Calibration and linearity curves of IM and ISOIM.

ConstituentRange (ng/ML)Equation of linear regressionCorrelation coefficientLLOQ (ng/mL)

IM1-2000.991
ISOIM1-2000.991