Bacteriocin with activity against species of Lactobacillus, Lactococcus, Pediococcus, Leuconostoc and against B.subtilis and, to a lesser extent, against B.coagulans, B.cereus and species of Enterococcus, Listeria, Kocuria, Staphylococcus, Corynebacterium, Salmonella, Pseudomonas and Escherichia