Thin layer chromatogram of P . hysterophorus extracts. (A) Flower and (B) Root extracts. The extracts dissolved in respective solvents were chromatographed in solvent system containing chloroform (163): ethyl acetate (63): formic acid (25) followed by spraying of FCR for visualization of phenolic contents. Arrows indicate phenolic spots. Numbers indicate specific extracts (1-hexane, 2-benzene, 3-chloroform, 4-ethyl acetate, 5-acetone, 6-ethyl alcohol, 7-aqueous extracts).