Preparation of extracts
About 50 gm of powdered drug roots were extracted
in soxhlet apparatus for 3 days with methanol and ethyl
acetate separately. The extract was filtered, concentrated
by evaporation under vacuum and completely dried
in vacuo.
Preparation of Water extract: Root powder was macerated
in water for 24 h. Extract was filtered and evaporated
to dryness.
Ethyl acetate fraction: Dried methanol extract were dissolved
in ethyl acetate. Insoluble part of extract was
removed by filtration. It was concentrated by evaporation
under vacuum and completely dried in vacuo.