The total antioxidant capacity was expressed as percentage of
inhibition (PI), according to the equation PI ¼ ððAbsABTSþ
AbssampleÞ=AbsABTSþ Þ 100, where AbsABTS+ denotes the initial
absorbance of diluted ABTS+
, and Abssample denotes the absorbance
of the sample by 6 min of reaction. Usin