Extracts from pitanga (Eugenia uniflora L.) leaves: influence of extraction process on antioxidant properties and yield of phenolic compounds - Martínez-Correa, Hugo Alexander; Magalhães, Pedro Melillo; Queiroga, Carmem Lúcia; Peixoto, Camila Arantes; Oliveira, Alessandra Lopes de; Cabral, Fernando Antonio (Journal of Supercritical Fluids, 2011)