MECHANISM OF ACTION OF BIFIDOBACTERIUM BIFIDUM IN THE LOWER INTESTINAL TRACT -
* ANTIBIOTIC PRODUCTION - B. BIFIDIUM IN CONJUNCTION WITH LACTULOSE ERADICATE ENTEROPATHOGENIC E. COLI.
* COMPARED TO LACTOBACILLI, BIFIDOBACTERIA PRODUCE MORE ACETIC ACID WHICH HAS A STRONGER ANTAGONISTIC EFFECT AGAINST GRAM-NEGATIVE BACTERIA THAN LACTIC ACID.
* BIFIDOGENIC FACTORS INDUCE THE GROWTH OF BIFIDOBACTERIA, THEREBY DECREASING THE PH IN THE LARGE INTESTINE.
* BIFIDOBACTERIUM BIFIDUM RESIST BILE ACIDS AND SURVIVE PASSAGE THROUGH THE GASTROINTESTINAL TRACT.