Table 3.
Individual compounds AO activity as determined by DC polarographic (HPMC), DPPH, ABST and FRAP assays
| DPPH (mM TE/mol) | FRAP (mM TE/mol) | ABTS (mM TE/mol) | HPMC (%/μmol) | |
|---|---|---|---|---|
| Chlorogenic acid | 1430 ± 5 | 1805 ± 50 | 3190 ± 31 | 14.96 ± 0.45 |
| Caffeic acid | 1070 ± 33 | 1180 ± 23 | 1515 ± 35 | 12.65 ± 0.75 |
| Caffeine | 12 ± 3 | 0 | 0 | 4.35 ± 0.23 |
| Theophylline | 17 ± 15 | 30 ± 10 | 8 ± 8 | 22.30 ± 0.95 |
| Theobromine | 27 ± 3 | 33 ± 11 | 12 ± 6 | 15.49 ± 0.68 |
| N-methylpyridinium | 50 ± 0 | 8 ± 3 | 28 ± 5 | 7.78 ± 0.50 |
| Catechin | 1402 ± 17 | 1903 ± 42 | 2169 ± 65 | 47.57 ± 3.28 |
| Quercetin | 3088 ± 36 | 4188 ± 72 | 5410 ± 59 | 37.37 ± 5.24 |
| Rutin | 2432 ± 99 | 2772 ± 102 | 4930 ± 46 | 24.65 ± 2.16 |
The data represents the means of a triplicate experiment ± standard deviation