On the contrary, L. sulphureus had then least antioxidant activity with the highest EC50 of 11.4, >6 and 0.4 mg/ml for scavenging, reducing and cheating assays, respectively. The synthetic antioxidant (BHT, L-Ascorbic acid and EDTA), which was used as a positive control, had a superior performance with the least EC50 in all the assays.