Data were reported as mean value ± standard deviation for triplicate samples. They were analyzed using General Linear Model (GLM) procedure of Genstat statistical programme (USN International Ltd., Hemel Hempstead, UK). Analysis of variance was performed to compare level of peroxide value, Thiobarbituric acid (TBA), p-anisidine values and FA composition for the samples. Difference between means was tested for significance using the least significance difference (LSD) method of Montgomery (Ogwok, Muyonga, & Sserunjogi, 2008). To compare antioxidant activity and phenolic content Duncan's Multiple Range Test was performed where the ANOVA procedure showed significance. Data were analyzed by a non-parametric test by Kroskal-Wallis (KeW) method.