| Compounds | Antioxidant activity values | |
| ORAC (µm Trolox/mmolcompund) | FRAP (µM Fe2+/mmolcompund) | |
| Uric acid | 7015.3 ± 498.5 | 854.4 ± 79.7 |
| Ascorbic acid | 22685.8 ± 1257.1 | 782.7 ± 21.7 |
| Protocatechuic acid | 20582.9 ± 688.4 | 2315.4 ± 53.1 |
| 3,4-dihydroxyphenylacetic acid | 10048.1 ± 240.4 | 4303.4 ± 57.3 |
| 3,4-dihydroxyphenylpropionic acid | 23093.9 ± 472.1 | 3539.6 ± 159.4 |
| 3-hydroxyphenylacetic acid | 1844.2 ± 179.8 | 543.8 ± 14.4 |