Use of complex coacervation followed by freeze drying for microencapsulation of aspartame, sucralose and stevia - Rocha-Selmi, Glaucia Aguiar; Bozza, Fernanda Tonche; Theodoro, Aline Cristina; Alves, Ana Julia Gouvêa; Thomazini, Marcelo; Bolini, Helena Maria André; Fávaro-Trindade, Carmen Silvia (Interamerican Congress of Chemical Engineering = Congreso Interamericano de Ingeniería Química, 2011)