The effects of solvent, of different polarities (distilled water (polarity P= 10.20), 50% (v/v) aqueousmethanol (P= 8.40), 50% (v/v) aqueous ethanol (P= 7.25), 90% (v/v) aqueous methanol (P’ = 6.69), 90%(v/v) aqueous ethanol (P= 4.89), and ethyl acetate (P=