Inhibitory Activity and Docking Analysis of Antimalarial Agents from Stemona sp. toward Ferredoxin-NADP+ Reductase from Malaria Parasites

Table 2

Inhibition of diaphorase activity of PfFNR.

Alkaloids	dA/dt	% Inhibition
Control	0.139	-
Croomine	0.138	0.7
Epi-croomine	0.122	12.2
Tuberstemonine	0.062	55.4
Isoprotostemonine	0.17	-22.3
Javastemonine A	0.144	-3.6

Each of alkaloids is 100 ppm; dA/dt is the rate of absorbance change.