Table 4.

Antioxidant enzyme activity

SA (mg/L)	SOD activity (U/g FW)	POD activity (U/g/min FW)	CAT activity (mg/g/min FW)
0	786.7 ± 844d	981.6 ± 10.36a	1.754 ± 0.097ab
100	815.3 ± 9.74c	562.5 ± 19.64b	1.781 ± 0.028ab
150	975.8 ± 13.11a	315.4 ± 15.88e	1.842 ± 0.069a
200	946.9 ± 19.33b	369.5 ± 17.74d	1.782 ± 0.039ab
250	946.6 ± 20.08b	483.3 ± 14.55c	1.693 ± 0.035b

Values are means (± SE) of four replicates. Significant differences (indicated by different lowercase letters) within a column are based on a one-way analysis of variance with least significant difference (p < 0.05). FW = fresh weight