Table 1. Total phenolics, flavonoids, alkaloids and iridoids in methanol extracts of the Lider-7-tang (n=3).

Bioactive substance	mg/g dry mass
Flavonoids	31.2±2.06
Total phenolics	78.0±6.7
Total alkaloids	1.6±0.43
Iridoids	3.08±0.095