1. Unit of Microbiology, Department of Genetics, Physiology and Microbiology, Biology Faculty, Complutense of Madrid , Jose Antonio Novais, 12, 28040 Madrid, Spain
2. Food Sciences, Department of Life Technologies, University of Turku , FI-20014 Turku, Finland
3. Department of Chemistry and Food Technology, Polytechnic University of Madrid , Ciudad Universitaria S/N, 28040 Madrid, Spain
4. Pago de Carraovejas, S.L.U., Camino de Carraovejas , s/n, 47300 Peñafiel, Spain