TF and early-onset autosomal dominant Alzheimer disease: The present study aimed to determine the chemical composition of ethanolic extract from propolis produced by Plebeia catamarcensis (EEP-Pc) and Tetragonisca fiebrigi (EEP-Tf), as well as their in vitro and in vivo antioxidant effects, lifespan influence and induced paralysis in Caenorhabditis elegans, mutant model for Alzheimer’s disease.