Table 4.
α-glucosidase inhibitory activity of extracts
| Scientific name | IC50 (μg/ml)a value for α-glucosidase inhibition | |
|---|---|---|
| 70% Ethanol extract | Water extract | |
| A. precatorius | – | – |
| A. nilotica | 3.75 ± 0.62 | 1.33 ± 0.57 |
| B. linariifolia | – | – |
| B. papyrifera | 141.57 ± 1.54 | – |
| C. ipecacuanha | – | – |
| C. colocynthis | – | – |
| C. sinensis | – | 265.66 ± 5.13 |
| C. proximus | – | 282.37 ± 7.26 |
| C. rotundus. | 118.92 ± 1.01 | – |
| G. alata | 191.66 ± 16.07 | 623.99 ± 22.54 |
| M. annua | 78.78 ± 3.19 | – |
| P. glaucum | – | – |
| R. graveolens | 162.09 ± 52.08 | – |
| S. argel | – | – |
| T. bakis | – | – |
| T. foenum-graceum | – | – |
| V. madagascariensis | – | – |
| Z. spina-christi | 3.35 ± 0.61 | 5.49 ± 0.50 |
| Acarboseb | 240.00 ± 0.03 | |
a Each value represents the mean ± SD (n = 3)
bAcarbose was used as a positive control