1. Universidad Tecnológica MetropolitanaDepartment of Biotechnology Las Palmeras 3360, P.O. Box 7800003 Ñuñoa, Santiago Chile
2. University of Illinois at Urbana-ChampaignDepartment of Food Science and Human Nutrition 61801 Urbana IL USA
3. Universidad del Bío-BíoDepartment of Food Engineering Av. Andrés Bello 720, Casilla 447 Chillán Chile