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Protective properties of plant extracts against lipid peroxidation. In the same concentration the values affected with different letters (a–f) are significantly different at p < 0.05. FTE: P. guineense (stem) ethanolic extract; FTH: P. guineense (stem) hydroethanolic extract; FFE: P. guineense (leaves) ethanolic extract; FFH: P. guineense (leaves) hydroethanolic extract; VIT C: vitamin C; Pos Control: oxidant (positive) control; Neg Control: normal (negative) control.
