Diameter of the zones of inhibition in mm (5 mm disc)

SFME

HD

Control

100% (622 W)

40% (249 W)

Listeria monocytogenes Scott-A

0^a

0^a

0^a

0^a

S. aureus 6538P

0^a

4.5^b

3.5^c

4.5^b

S. typhimurium NRRL E4463

0^a

2.5^b

2.5^b

2.5^b

E. coli O157:H7

0^a

3.5^b

3.5^b

3.5^b