Research Article

Bioguided Isolation and Structure Identification of Acetylcholinesterase Enzyme Inhibitors from Drynariae Rhizome

Table 1

Inhibitory activity (IC50) of the fractions investigated against AChE. (n = 6).

FractionsIC50 (μg/mL ± SD)

Ethanol extract8.21 ± 1.36
n-Butanol fraction5.62 ± 0.23
Water fraction36.31 ± 3.68
Petroleum ether fraction35.48 ± 9.93