Table 2.
Sample | TPC (mg GAE L−1) | Antioxidant Capacity (mmol TroloxE L−1) | Dopamine (mg L−1) |
Total Betacyanin Content (mg Betanin L−1) | |
---|---|---|---|---|---|
ABTS | DPPH | ||||
Banana peel extract | 507.1 ± 9.8 | 2.34 ± 0.02 | 1.52 ± 0.02 | 156.8 ± 1.1 | / |
Red beetroot peel extract | 239.6 ± 5.0 | 1.69 ± 0.04 | 1.04 ± 0.01 | / | 90.1 ± 0.1 |
TPC-total phenolic content; GAE-gallic acid equivalents; TroloxE-trolox equivalents.