Table 4.
Enzyme inhibitory activity (mg standard equiv./g extract DW) of extracts from Cladium mariscus (sawgrass) seeds: acetyl- (AChE) and butyryl-cholinesterase (BChE), tyrosinase, α-glucosidase, and α-amylase.
| Sample | AChE (mg GALAE/g) |
BChE (mg GALAE/g) |
Tyrosinase (mg KAE/g) |
α-Glucosidase (mmol ACAE/g) |
α-Amylase (mmol ACAE/g) |
|---|---|---|---|---|---|
| Water | 3.73 ± 0.13 b | 5.13 ± 0.78 ab | 61.81 ± 0.50 c | 1.05 ± 0.01 b | 1.12 ± 0.02 a |
| Acetone | 3.89 ± 0.17 ab | 5.05 ± 0.31 ab | 55.04 ± 0.69 d | 1.05 ± 0.01 b | 0.81 ± 0.01 c |
| Aq. Acetone | 3.92 ± 0.05 ab | 3.47 ± 0.48 b | 70.26 ± 1.59 ab | 1.10 ± 0.02 a | 0.82 ± 0.02 c |
| Ethanol | 4.21 ± 0.19 a | n.a. | 68.64 ± 0.30 b | 1.06 ± 0.01 b | 0.95 ± 0.02 b |
| Aq. Ethanol | 3.83 ± 0.17 ab | 6.02 ± 1.39 a | 70.99 ± 0.57 a | 1.07 ± 0.01 b | 0.92 ± 0.03 b |
Values represent the mean ± SD of at least three experiments performed in triplicate (n = 9). In each column, different letters “a–d” mean significant differences (p < 0.05). GALAE: galantamine equivalent, KAE: kojic acid equivalent, ACAE: acarbose equivalent, n.a.: not active.