Elsa VelázquezHoracio TournierPerla M. de BuschiazzoGloria SaavedraGuillermo Schinella2026-03-222026-03-22200310.1016/s0367-326x(02)00293-9https://doi.org/10.1016/s0367-326x(02)00293-9https://andeanlibrary.org/handle/123456789/43133Citaciones: 218enAntioxidantDPPHTraditional medicineLipid peroxidationChemistryBotanyPiperBiochemistryAntioxidant activity of Paraguayan plant extractsarticle