The lowest reducing power was shown by L. sulphureus with mean absorbance of 0.194 at 4 mg/ml, which is in agreement with its lower DPPH scavenging effect. Reducing power
of the synthetic antioxidant BHT is much higher (mean absorbance = 2.008 at 4 mg/ml) as indicated with a straight line in the far left side Fig. 2