Table 1. Inhibition constants of condensed tannins from the leaves, fruit, and stem bark of F. virens.

Samples	IC 50 (μg/ml)	IC 50 (μg/ml)	Inhibition	Inhibition	Inhibition constants (μg/ml)
	monophenolase	diphenolase	mechanism	type	KI	KIS
Leaves	131.67	128.42±0.45	Reversible	mixed	87.00	170.41
Fruit	99.89	43.07±0.62	Reversible	mixed	35.83	64.61
Stem bark	106.22	74.27±0.68	Reversible	mixed	48.20	111.99