Rheology, spontaneous whey separation, microstructure and sensorial characteristics of probiotic yoghurts enriched with passion fruit fiber - Espírito Santo, Ana Paula do; Lagazzo, A; Sousa, Ana Lúcia Orlandini Pilleggi de; Perego, Patrizia; Converti, Attilio; Oliveira, Maricê Nogueira de (Food Research International, 2013)