1 Laboratory of Applied Microbiology and Biotechnology, Department of Molecular Biology and Genetics, Democritus University of Thrace, 68100 Alexandroupolis, Greece.
2 Institute of Technology of Agricultural Products, Greek Agricultural Organization Demeter, 15310 Athens, Greece.
3 Laboratory of Microbiology-Immunology, Faculty of Biology, Department of Botany-Microbiology, University of Bucharest, Romania.
4 Food and Drug Department, University of Parma, Italy.