Reduction of Listeria monocytogenes and Salmonella Typhimurium on Blueberries through Brief Exposure to Antimicrobial Solutions Coupled with Freezing

David F Bridges; Shravani Tadepalli; Ryan Anderson; Rong Zhang; Vivian C H Wu

doi:10.4315/0362-028X.JFP-18-433

Reduction of Listeria monocytogenes and Salmonella Typhimurium on Blueberries through Brief Exposure to Antimicrobial Solutions Coupled with Freezing

J Food Prot. 2019 Jun;82(6):926-930. doi: 10.4315/0362-028X.JFP-18-433.

Authors

David F Bridges¹, Shravani Tadepalli², Ryan Anderson², Rong Zhang², Vivian C H Wu¹

Affiliations

¹ 1 Produce Safety and Microbiology Research Unit, Western Regional Research Center, Agricultural Research Service, U.S. Department of Agriculture, Albany, California 94710 (ORCID: https://orcid.org/0000-0002-1525-1078 [V.C.H.W.]).
² 2 Pathogenic Microbiology Laboratory, University of Maine, Orono, Maine 04469, USA (ORCID: https://orcid.org/0000-0001-6190-479X [S.T.]).

PMID: 31081691
DOI: 10.4315/0362-028X.JFP-18-433

Abstract

Freezing after brief exposure to antimicrobial solutions increases bacterial reduction. Lactic acid combined with freezing reduced L. monocytogenes to unrecoverable levels. Most wash treatments maintained visual qualities of blueberries.

Keywords: Typhimurium; Antimicrobial washing; Blueberries; Freezing.

MeSH terms

Anti-Infective Agents / pharmacology
Blueberry Plants* / microbiology
Colony Count, Microbial
Food Microbiology* / methods
Freezing*
Listeria monocytogenes* / drug effects
Listeria monocytogenes* / physiology
Salmonella typhimurium* / drug effects
Salmonella typhimurium* / physiology

Substances

Anti-Infective Agents