Sensitive strains

Antimicrobial Activity (mm)

ATCC

CRL 1879

19434

E. coli DH10 B

-

-

E. faeciumATCC19434

-

-

E. faeciumCRL1

-

-

E. faeciumCRL6

-

++

E. faeciumCRL11

-

++

E. faeciumCRL23

-

+

E. faeciumCRL147

-

-

E. faeciumCRL316

-

+

E. faeciumCRL318

-

++

E. faeciumCRL486

-

++

E .faeciumCRL589

-

++

E. faeciumCRL1571

-

++

E. mundtiiCRL35

 -

+

L. innocua7

+

+

L. monocytogenes139

+

+

L. monocytogenes149

+

+

L. monocytogenes152

+

+

L. monocytogenes24

+

+

L. monocytogenesEGD-e

-

-

L. monocytogenesFBUNT

+

++

S. aureusATCC29740

-

-

Diameter of growth inhibition zones (mm) (++): ˃10 mm; (+) : <10 mm; (–): no
growth inhibition zone.
Table 2: Inhibitory activity of heated and neutralized cell-free supernatants of E.
faecium
CRL1879 and ATCC 19434 strains as determined by the agar spot test
method.