Antibacterial activity of bacteriocin-like substance P34 on Listeria monocytogenes in chicken sausage

作者：Sant'Anna Voltaire; Quadros Deoni A F; Motta Amanda S; Brandelli Adriano^*

来源：Brazilian Journal of Microbiology, 2013, 44(4): 1163-1167.

• bacteriocin
• chilled chicken sausage
• Listeria monocytogenes
• biopreservation

The antimicrobial activity of the bacteriocin-like substance (BLS) P34 against Listeria monocytogenes was investigated in chicken sausage. The BLS was applied to chicken sausages (256 AU g(-1)) previously inoculated with a suspension of 10(2) cfu g(-1) of L. monocytogenes. BLS P34 inhibited the indicator microorganism in situ in all incubation times for up to 10 days at 5 degrees C. The effectiveness of BLS P34 was increased when it was added in combination with nisin. The bacteriocin was also tested in natural eatable natural bovine wrapping (salty semi-dried tripe) against the same indicator microorganism, also showing inhibitory capability in vitro. BLS P34 showed potential to control L. monocytogenes in refrigerated meat products.

• 出版日期2013-12