Hydrogen ions lower luminal pH and thereby prevent the growth of pathogenic pH-sensitive bacteriaJames et al. 2003 Intern Med J 33(7):291-296
Studies in vitro show inhibition of clostridia, Escherichia coli and pathogenic streptococci and stapyhlococci with acid-producing bacteriaBruno & Shah 2002 Milchwissenschaft 57: 617-21