In this book, suitable examples of how to increase the shelf life of food materials while preserving their desirable original features are provided.

Dr Felipe Reis is Professor and Chair of the Food Technician Course at Instituto Federal do Paraná. He is a Food Engineer and has more than ten years research experience on vacuum drying of foods. He is continuously preparing and publishing scientific material in the Food Engineering area.

Dr Maria Lucia Masson is a Professor and Researcher at the Chemical Engineering Department of the Federal University of Paraná. In addition, she is Professor and Advisor at the Graduate Program of Food Engineering (PPGEAL) at the same institution. She is continuously conducting and publishing studies in the Food Engineering area.