| ABTS | 2:2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) |
| CUPRAC | cupric-reducing antioxidant |
| DPPH | 2,2-diphenyl-1-picrylhydrazyl |
| FRAP | ferric-reducing antioxidant power |
| FLD | fluorescence detector |
| ESI-LC-DAD-MS | electrospray ionization source–liquid chromatography–diode array detector–mass spectrophotometry |
| NMR | nuclear magnetic resonance |
| PAC | procyanidin |
| TC-MeOH | Tectaria coadunata methanolic extract |
| TC-EtOAc | T. coadunata ethyl acetate extract |
| TC-H2O | T. coadunata water extract |
| GC-MS | gas chromatography–mass spectrophotometry |
| AChE | acetylcholinesterase |
| BuChE | butyrylcholinesterase |
| AD | Alzheimer’s disease |
| TLC | thin layer chromatography |
| TDDS | turbo detection data scanning |
| HSQC-DEPT | heteronuclear single quantum coherence spectroscopy–distortionless enhancement by polarization transfer |
| HMBC | heteronuclear multiple quantum coherence |
| COSY | correlation spectroscopy |
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