Although LAB are considered GRAS (Generally Regarded As Safe)
organisms, it must be kept in mind their potential to transfer antibiotic
resistances to pathogenic bacteria or the capacity to produce toxic compounds
as biogenic amines. In addition, enterococci are true members
of LAB community but they remain controversial because most species
harbor a series of virulence factors and have been associated with
nosocomial infections, urinary tract infections, bacteraemia, peritonitis,
and endocarditis. For these reasons, it is necessary to do an assessment
in regards to toxicity and pathogenic determinants as well as the
presence of antibiotic resistances