Values are mean of three independent determinations (n ¼ 3); SD, standard deviation.
RM, raw methanol extract; RA, raw 70% acetone extract; HM, dry heated methanol extract; HA, dry heated 70%acetone extract.
aConcentration in mg.
bConcentration was 20, 40, 60 and 80 mg, respectively (Siddhuraju & Becker, 2006).