Total phenolics and antioxidant activity
The phenolic contents also increased, as well as the antioxidant activity. Maximum antioxidant activity seen was 36%. On the 21st day, the highest phenolic content was 7.5% mg/L and the lowest phenolic content was 4.3% mg/L. The maximum antioxidant activity achieved on the 21st day was 36% and the minimum antioxidant activity was 7.8%.