Table 2 Calibration curves, concentration ranges and contented of 6 main components in PCW

Benzoylmesaconine

y = 0.6530*x + 0.0857 (r² = 0.9991)

0.09–90

0.218

Aconitine

y = 0.5990*x + 0.0736 (r² = 0.9875)

0.09–90

–

Benzoylhypacoitine

y = 0.3158*x + 0.0488 (r² = 0.9928)

0.09–90

0.051

Benzoylaconitine

y = 0.9983*x + 0.0823 (r² = 0.99665)

0.09–90

0.036

Hypaconitine

y = 0.5151*x + 0.0896 (r² = 0.9778)

0.09–90

0.011

Mesactonine

y = 0.4919*x + 0.0520 (r² = 0.9903)

0.09–90

0.006