... reader to this finesecond edition of Physical Principles of Food Preservation. I believe you willfind it of great valu e.Owen FennemaDepartment of Food ScienceUniversity of Wisconsin –MadisonMadison, ... Second Edition In the 28 years since the first edition of this textbook, significant advances havebeen made in our understanding of physical chemistry of foods, and in particular of the effects of ... factors on rates of changes in foods. Theseadvances in knowledge have led to refinements in formulation of principles of food p reservation and in the development and application of new processes...