Stephania japonica Ameliorates Scopolamine-Induced Memory Impairment in Mice through Inhibition of Acetylcholinesterase and Oxidative Stress

Table 2

Pearson correlation coefficients of total phenolic, flavonoid, and alkaloid contents with cholinesterase inhibitory and antioxidant activities.

	TPC	TFC	TAC
AChEI	0.919	0.778	0.877
BuChEI	0.713	0.780	0.961
DRS	0.943	0.929	0.863
HRS	0.765	0.888	0.979
LPI	0.927	0.762	0.939
FRP	0.970	0.931	0.859
TACA	0.963	0.885	0.786

AChEI, acetylcholinesterase inhibition; BuChEI, butyrylcholinesterase inhibition; DRS, DPPH radical scavenging; HRS, hydroxyl radical scavenging; LPI, lipid peroxidation inhibition; FRP, ferric reducing power, TACA, total antioxidant capacity.