Table 4.
Inhibition of selected enzymes exerted by the analyzed extracts.
| Samples | AChE (mg GALAE/g) |
BChE (mg GALAE/g) |
Tyrosinase (mg KAE/g) |
Amylase (mmol ACAE/g) |
Glucosidase (mmol ACAE/g) |
|---|---|---|---|---|---|
| O. aquatica-MeOH | 3.67 ± 0.15 a | 5.96 ± 0.52 a | 126.66 ± 0.95 a | 0.83 ± 0.02 a | 0.16 ± 0.04 c |
| O. aquatica-Water | na | na | 6.31 ± 0.81 b | 0.15 ± 0.01 c | 0.26 ± 0.03 bc |
| O. silaifolia-MeOH | 3.35 ± 019 b | 6.11 ± 0.41 a | 126.60 ± 1.88 a | 0.72 ± 0.03 b | 0.40 ± 0.06 a |
| O. silaifolia-Water | na | na | 4.82 ± 0.17 b | 0.13 ± 0.01 c | 0.28 ± 0.03 b |
Values are shown as mean ± SD. MeOH: Methanol; GALAE: Galantamine equivalent; KAE: Kojic acid equivalent; ACAE: Acarbose equivalent; na: not active. Different superscripts indicate significant differences in the tested extracts (p < 0.05).