Table 5.
The antidiabetic activity of PGEOs (IC50 in μg/mL) at three developmental stages. Results are presented as means ± SD (standard deviations) for triplicate assays.
| Assays | Pelargonium graveolens EOs | Positive Controls | |||
|---|---|---|---|---|---|
| Vegetative Stage | Beginning Flowering Stage | Full Flowering Stage | Acarbose | Orlistat | |
| α-Amylase IC50 (µg/mL) | 95.24 ± 0.03 a | 69.31 ± 0.08 b | 43.33 ± 0.01 c | 27.21± 0.08 d | - |
| α-Glucosidase IC50 (µg/mL) | 49.21 ± 0.05 a | 26.37 ± 0.02 b | 19.04 ± 0.01 c | 10.01 ± 0.03 d | - |
| Lipase IC50 (µg/mL) | 63.27 ± 0.01 a | 47.62 ± 1.03 b | 24.33 ± 0.05 c | - | 18.27 ± 0.03 d |
Different letters indicate significant differences (p < 0.05; n = 3), (-): not tested.