ULTRASOUND USE FOR LISTERIA MONOCYTOGENES ATTACHED CELLS REMOVAL FROM INDUSTRIAL BRINE INJECTION NEEDLES

• DOI: 10.14674/ijfs-1162
• Publication Date: 2018-06-28
• Authors: Daniele Hamann; K. F. Tonkiel; Alexandre Matthie...; Jamile Zeni; Eunice Valduga; Natália Paroul; Clarice Steffens; Geciane Toniazzo ...; Rogério Luís Cansian
• Keywords: Peracetic acid; Brine; Sterilization

This work aimed at studying methods for Listeria monocytogenes attached cells removal from food industry equipment. In order to verify possible contamination points, a tracking was carried out in products and equipment surfaces (brine injection needles) by swab. Brine needles were defined as study due their higher potential. L. adhesion after 6 h contact with observed. Minimum bactericidal concentration (MBC) of peracetic acid on 0.06 0.24% 6 24 h bacteria, respectively. 75% power (700 W) 14 min exposure ultrasound treatment showed 3.25 Log CFU microbial load reduction needles. The combination an MBC 0.24 0.03%, hence, it may be recommended meat application.