Process Optimisation and Minimal Processing of Foods Proceedings of the second main meeting European Commission COPERNICUS PROGRAMME Concerted action CIPA-CT94-0195 Warsaw Agricult uralUniversity, Warsa w, Po land, D ec e m b e r 1 9 9 6 Editors : Jorge C. Oliveira, Leon G.M. Gorris Project Coordinator : Fernanda A. R. Oliveira Area leader : Leon G.M. Gorris Volume 5: Minimal and Combined Processes