Table 1.
Extraction yields and antioxidant capacity of S. stellata ethanolic extract fractions.
| Fraction | Mass a | Total Phenolic Content b | DPPH (FRS50) c | ABTS Assay (FRS50) c | Reducing Power (EC50) c |
|---|---|---|---|---|---|
| DCMF | 12.3 | <1.00 | >250 | >250 | >50 |
| EAF | 5.3 | 4.74 ± 0.01 * | 71.82 ± 0.04 * | 40.41 ± 0.02 * | 202.41 ± 0.10 * |
| n-BF | 51.7 | 11.86 ± 0.05 * | 64.46 ± 0.01 * | 27.87 ± 0.01 *,# | 161.11 ± 0.08 *,# |
| Reference | - | - | 8.21 ± 0.03 d | 12.07 ± 0.04 e | 18.03 ± 0.01 f |
Table Data represent the mean values ± SD of three independent assays performed in triplicate (n = 3). a % of dry weight. b mg GA/g DF. c μg/mL. d Reference used was ascorbic acid. e Reference used was trolox. f Reference used was BHA. * Statistically significant different with respect to the reference (Tukey’s test), p < 0.05. # Statistically significant different with respect to EAF (unpaired Student’s t-test), p < 0.05.