Purification, characterization and N-terminal amino acid sequencing of sakacin 1, a bacteriocin produced by lactobacillus sakei 1 - D'Angelis, C. E. M.; Polizello, A C M; Nonato, M. C.; Spadaro, Augusto César Cropanese; Martinis, E. C. P. de (Journal of Food Safety, 2009)