Table 4.
Enzyme inhibitory effects of the tested extracts.
| Extracts | AChE (mg GALAE/g) |
BChE (mg GALAE/g) |
Tyrosinase (mg KAE/g) |
Amylase (mmol ACAE/g) |
Glucosidase (mmol ACAE/g) |
|---|---|---|---|---|---|
| S. gummiferum-MeOH | 3.48 ± 0.09 b | 8.90 ± 0.35 a | 107.15 ± 1.38 b | 0.78 ± 0.01 a | na |
| S. gummiferum-Water | 0.35 ± 0.08 c | 6.52 ± 0.97 b | na | 0.12 ± 0.02 b | 0.13 ± 0.01 |
| S. transcaucasicum-MeOH | 4.53 ± 0.19 a | 9.71 ± 0.47 a | 109.37 ± 0.38 a | 0.78 ± 0.01 a | na |
| S. transcaucasicum-Water | 0.15 ± 0.05 d | 1.66 ± 0.17 c | na | 0.12 ± 0.01 b | na |
Values are reported as mean ± SD. AChE: acetylcholinesterase; BChE: butyrylcholinesterase; MeOH: Methanol; GALAE: Galantamine equivalent; KAE: Kojic acid equivalent; ACAE: Acarbose equivalent; Na: not active. Different letters indicate significant differences among the tested extracts (p < 0.05).