Table 4.
Acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) inhibitory activiy of S. guyoniana and M. aquatica extract.a
| Plant | Extract | AChE assay | BChE assay |
|---|---|---|---|
| IC50 (μg/mL) | |||
| S. guyoniana aerial parts | BESG | 5.78 ± 0.01 | 39.10 ± 1.41 |
| EESG | NAb | NA | |
| CESG | NA | NA | |
| M. aquatica aerial parts | MEMA | NA | NA |
| CEMA | NA | 20.18 ± 0.55 | |
| M. aquaticaroots | MERMA | NA | NA |
| AERMA | 20.7 ± 2.11 | 19.23 ± 1.42 | |
| Standard | Galantamin | 5.01 ± 0.10 | 53.90 ± 0.56 |
a
Values expressed are means ± SEM of three parallel measurements (p < 0.05).
b
Not active.