Acetylcholinesterase 1 Article 1 Aβ25-35 1 Commiphiora pubescens 1 Commiphora 1 Commiphora berryi 1 Commiphora berryi extract 1 Commiphora caudata Commiphora caudata extract 1 Commiphora pubescens 1 Commiphora pubescens extract 1 IC50 1 MTT assay 1 Neuroprotective 1 SH-SY5Y cell line 1 bark 1 cell damage 1 cell death 1 cell viability 1 cell viability assay 1 cholinesterase inhibition 1 cholinesterase inhibitor 1 colorimetry 1 comparative study 1 controlled study 1 cytotoxicity 1 drug screening 1 human 1 human cell 1 in vitro study 1