Table 1 Antioxidant and α-glucosidase activities of extracts and isolated compounds from S. jamaicensis.
Samples | DPPH | ABTS | α-Glucosidase inhibition |
|---|---|---|---|
IC50 (μg/mL) | IC50 (μg/mL) | IC50 (μg/mL) | |
Extracts of S. jamaicensis | |||
n-hexane | > 550 | 202.25 ± 4.67 | > 1250 |
Dichloromethane | > 550 | 85.68 ± 2.00 | > 1250 |
Ethyl acetate | > 550 | 54.26 ± 0.29 | > 550 |
Methanol | 19.36 ± 0.34 | 27.37 ± 0.11 | 217.03 ± 16.00 |
The compound isolated from S. jamaicensis | |||
6β-hidroksipolamiide | > 550 | 393.25 ± 69.25 | 537.79 ± 45.04 |
Standard | |||
Trolox | 17.10 ± 0.17 | 11.97 ± 0.25 | – |
Acarbose | – | – | 2.94 ± 0.99 |
