Table 2.
Scavenging of the 1,1-diphenyl-2-picrylhydrazyl radical (DPPH), radical ABTS, (ABTS), total phenolic content (TPC), total carotenoid content (TCC) and cholinesterase inhibition capacity of six haloarchaea (Te Se-85, Te Se-86, ALT-23, TeSe-41, TeSe-51 and TeSe-89) from the II Region of Chile. (n = 5).
| Sample | DPPH a | ABTS b | FRAP c | TPC d | TCC e | ACHe f | BuCHe f |
|---|---|---|---|---|---|---|---|
| Te Se-85 | 55.43 ± 3.26 i (IC50 = 4.73 ± 0.02 μg/mL) |
473.50 ± 15.85 (IC50 = 7.98 ± 0.03 μg/mL) |
878.07 ± 11.60 | 175.62 ± 8.26 | 714.4 ± 11.5 | 2.96 ± 0.08 | 2.39 ± 0.09 |
| Te Se-86 | 59.14 ± 9.54 i (IC50 = 2.95 ± 0.02 μg/mL) |
570.54 ± 15.45 (IC50 = 4.23 ± 0.02 μg/mL) |
1023.03 ± 10.23 | 199.32 ± 7.54 | 950.2 ± 15.5 | 4.24 ± 0.10 | 8.63 ± 0.06 |
| ALT-23 | 39.84 ± 6.21 h (IC50 = 8.83 ± 0.03 μg/mL) |
342.46 ± 10.95 (IC50 = 12.12 ± 0.04 μg/mL) |
669.26 ± 8.89 | 136.63 ± 5.22 | 522.05 ± 18.7 k,l | 7.89 ± 0.04 | 18.33 ± 0.07 |
| TeSe-41 | 41.11 ± 6.02 h (IC50 = 6.25 ± 0.01 μg/mL) |
376.38 ± 12.06 (IC50 = 9.32 ± 0.02 μg/mL) |
762.50 ± 10.64 | 146.19 ± 6.27 | 540.7 ± 12.2 l | 2.57 ± 0.04 | 7.57 ± 0.05 |
| TeSe-51 | 26.13 ± 3.25 g (IC50 = 15.43 ± 0.04 μg/mL) |
272.61 ± 11.31 j (IC50 = 18.45 ± 0.08 μg/mL) |
479.27 ± 9.37 | 98.64 ± 6.35 | 512.63 ± 13.5 k | 7.80 ± 0.03 | 3.52 ± 0.04 |
| TeSe-89 | 23.10 ± 4.68 g (IC50 = 23.19 ± 0.04 μg/mL) |
250.66 ± 18.70 j (IC50 = 34.72 ± 0.06 μg/mL) |
396.56 ± 21.11 | 79.85 ± 5.48 | 412.39 ± 19.1 | 3.04 ± 0.05 | 17.83 ± 0.07 |
| Astaxanthin | 63.15 ± 6.25 (IC50 = 7.22 ± 0.02 μg/mL) |
585.73 ± 13.22 (IC50 = 89.47 ± 0.08 μg/mL) |
1045.56 ± 13.43 | 212.73 ± 8.83 | 923.45 ± 20.3 | - | - |
| Galantamine | 0.26 ± 0.02 | 3.82 ± 0.02 |
a Antiradical DPPH activities are expressed as μmol Trolox/g extract; b,c expressed as μmol Trolox/g extract; d total phenolic content (TPC) expressed as μmol Trolox/g dry weight; e total carotenoid content (TCC) expressed as μg astaxanthin/g dry weight. f CHe enzyme e inhibitory activity in IC50 in μg/mL. Values in the same column marked with the same letter are not significantly different (at p < 0.05).