1. Department of Agricultural Economics, School of Agriculture, Aristotle University of Thessaloniki, 52124 Thessaloniki, Greece
2. Laboratory of Food Chemistry and Technology, School of Chemistry, Aristotle University of Thessaloniki, 52124 Thessaloniki, Greece
3. Department of Regional Development and Cross Border Studies, University of Western Macedonia, Koila Campus, 50100 Kozani, Greece
4. CHOUTAS-MARDAS S.A., 63017 Chalkidiki, Greece