Table 4.
The enzyme inhibition capacity (IC50 values; μg/mL) of red onion skins extract in α-amylase, α-glucosidase, lipase, and LOX enzymes.
| Sample | IC50 (μg/mL Extract) | |||
|---|---|---|---|---|
| α-Amylase | α-Glucosidase | Lipase | LOX | |
| Extract | 1.02 ± 0.30a | 0.57 ± 0.16a | 4.57 ± 0.86a | 2.40 ± 0.71a |
| Acarbose | 4.49 ± 0.44b | 2.09 ± 0.14b | - | - |
| Orlistat | - | - | 3.18 ± 0.33a | - |
| Quercetin | - | - | - | 1.95 ± 0.20a |
Measurements are expressed as mean ± SD of triplicates. Values (mean ± SD) from a column that shares the same letter are not significantly different (p > 0.05).