Table 5.
Phenolic composition and antioxidant activity in quinoa cultivars in Colombia.
| Cultivars | Polyphenols (mg AG/g) |
ABTS (µmol de T/g) |
DPPH (µmol de T /g) |
FRAP (µmol de AA/g) |
|---|---|---|---|---|
| Titicaca | 1.0409 ± 0.0202 b | 10.8536 ± 0.1317 a | 2.3488 ± 0.0177 d | 3.2626 ± 0.0585 a |
| Salcedo | 0.9303 ± 0.0103 c | 8.2387 ± 0.2718 c | 2.7893 ± 0.0627 c | 1.9886 ± 0.0643 c |
| Soracá | 0.735 ± 0.0212 d | 5.6546 ± 0.1075 d | 2.6638 ± 0.0648 c | 0.8063 ± 0.0215 f |
| Puno | 0.6782 ± 0.0198 e | 7.9468 ± 0.1222 c | 2.8127 ± 0.0830 c | 1.6469 ± 0.0159 d |
| Pasankalla | 0.6681 ± 0.001 e | 9.4534 ± 0.3435 b | 3.2587 ± 0.0697 b | 1.2685 ± 0.0373 e |
| Nariño | 1.7737 ± 0.009 a | 11.0023 ± 0.0857 a | 3.8935 ± 0.0454 a | 2.6356 ± 0.0212 b |
Results are expressed as the mean ± standard deviation (n = 3). Different letters had significant differences (p < 0.001) using Tukey’s test. AG: gallic acid; T: Trolox; AA: ascorbic acid.