TABLE 5.
Enzyme inhibitory effects of Verbascum diversifolium aerial parts extracts.
| Extracts | AChE (mg GALAE/g) | BChe (mg GALAE/g) | Tyrosinase (mg KAE/g) | Amylase (mmol ACAE/g) | Glucosidase (mmol ACAE/g) |
|---|---|---|---|---|---|
| n-Hexane | 2.38 ± 0.16b | 2.54 ± 0.10d | 41.40 ± 2.58d | 0.35 ± 0.01c | 1.00 ± 0.01c |
| Dichloromethane | 2.28 ± 0.02b | 5.21 ± 0.01a | 54.54 ± 2.23ab | 0.51 ± 0.01a | 0.96 ± 0.02c |
| Ethyl acetate | 1.12 ± 0.34d | 3.09 ± 0.24c | 46.74 ± 4.08cd | 0.41 ± 0.01b | 1.01 ± 0.05bc |
| Ethanol | 2.66 ± 0.01a | 4.64 ± 0.29b | 58.39 ± 1.32a | 0.25 ± 0.01d | 1.07 ± 0.01ab |
| 70% Ethanol | 2.64 ± 0.02a | 2.63 ± 0.13d | 50.93 ± 1.51bc | 0.23 ± 0.01d | 1.09 ± 0.01a |
| Water | 1.46 ± 0.06c | na | na | 0.04 ± 0.01e | na |
**Values are reported as mean ± SD, of three parallel measurements. GALAE, Galantamine equivalent; KAE, Kojic acid equivalent; ACAE, Acarbose equivalent; na, not active.