Phytochemical Analysis and In Vitro and In Vivo Pharmacological Evaluation of Parthenium hysterophorus Linn

Table 4

Phosphodiesterase activity of extracts and fractions of Parthenium hysterophorus.

Extract/fractions	Concentrations (μM) (µg/mL)	% inhibition	IC50 (µg)
MeOH	0.2	79.0	131.1 ± 2.41
Hexane	0.2	82.7	197.2 ± 3.16
Aqueous	0.2	91.4	24.2 ± 0.11
Ethyl acetate	0.2	76.5	62.4 ± 2.21
Chloroform	0.2	78.4	152.4 ± 1.81
Butanol	0.2	88.4	55.3 ± 2.15
EDTA	0.2	87.9	265.5 ± 2.25

where EDTA is for ethyl amine tetra acetic acid.