Untitled STEFAN CEL MARE UNIVERSITY OF SUCEAVA ANNALS of the Suceava University FOOD ENGINEERING Year VII, No. 2 – 2008 University Publishing House of Suceava EDITOR Sonia GUTT Suceava, Romania EDITORIAL BOARD Dirk FLOTTMAN Aalen, Germany Christian NEUSÜß Aalen, Germany Jürgen SCHRAM Krefeld, Germany Heinz – Dieter ISENGARD Hohenheim, Germany Thiery ABRAHAM Bruxelles, Belgium Yarema TEVTUL Cernauti, Ukraine Charles E. WALKER Kansas, U.S.A. Vladimir RESITCA Chisinau – Republic of Moldavia Petre ALEXE Galati, Romania Gheorghe CAMPEANU Bucuresti, Romania Dumitru COJOCARU Iasi, Romania Gheorghe GUTT Suceava, Romania Gabriela POP Suceava, Romania Rodica ROTAR Suceava, Romania Cristina Elena HREŢCANU Suceava, Romania AIMS AND SCOPE ANNALS of the Suceava University – FOOD ENGINEERING is the scientific official journal of the Faculty of Food Engineering. The journal policy is to publish high quality original scientific articles and reviews in the areas of food engineering and related disciplines, in a foreign language accepted by the UE. It should not have been previously publish and should not be under consideration for publication elsewhere. ANNALS of the Suceava University – FOOD ENGINEERING is a semiannually publication that is assessed and acknowledged by the CNCSIS dependent upon the Ministry of Education and Research. CIP description of National Library ANNALS of the Suceava University – FOOD ENGINEERING, Editura Universitatii Suceava, ISSN 1842 - 4597