| ANOVA | A one-way analysis of variance |
| Ach | Acetylcholine |
| AD | Alzheimer’s disease |
| ChAT | Choline acetyltransferase |
| d-gal | d-Galactose |
| DPC12 | Differentiated PC12 |
| ELISA | Enzyme-linked immunosorbent assay |
| HE | H. erinaceus mycelium polysaccharides enriched aqueous extract |
| l-Glu | l-Glutamic acid |
| MMP | Mitochondrial membrane potential |
| NMDA | N Methyl D Aspartate |
| NGF | Nerve growth factor’s |
| PD | Parkinson’s disease |
| PC12 cell | Pheochromocytoma cell |
| ROS | Reactive oxygen species |