1. Departamento de Ciência e Tecnologia Agroindustrial; Universidade Federal de Pelotas; Rio Grande do Sul Pelotas 96010-900 Brazil
2. Department of Food Science; University of Guelph; Guelph ON N1G 2W1 Canada
3. Healthy Processed Foods Research Unit; WRRC; ARS; United States Department of Agriculture; Albany CA 94710 USA