.Supernatant(0.5mL) was mixed with distilled water (0.5mL) and FeCl3 (0.1% w/v,0.5mL).Absorbance at 700 nm (A700)was measured by using UV-Vis spectrophotometer(Shimadzu. Tokyo, Japan). Vitamin C, Vitamin E, and BHT were used as positive controls.
.Supernatant(0.5mL) was mixed with distilled water (0.5mL) and FeCl3 (0.1% w/v,0.5mL).Absorbance at 700 nm (A700)was measured by using UV-Vis spectrophotometer(Shimadzu. Tokyo, Japan). Vitamin C, Vitamin E, and BHT were used as positive controls.