Effectiveness of chitosan-coated plastic films incorporating antimicrobials in inhibition of Listeria monocytogenes on cold-smoked salmon

International Journal of Food Microbiology
M YeHaiqiang Chen

Abstract

The objective of this study was to evaluate the efficacy of chitosan-coated plastic films incorporating five Generally Recognized as Safe (GRAS) antimicrobials (nisin, sodium lactate (SL), sodium diacetate (SD), potassium sorbate (PS) and sodium benzoate (SB)) against Listeria monocytogenes on cold-smoked salmon. Salmon samples were surface-inoculated with a five-strain cocktail of L. monocytogenes and packaged in chitosan-coated plastic films containing 500 IU/cm(2) of nisin, 9 mg/cm(2) of SL, 0.5 mg/cm(2) of SD, 0.6 mg/cm(2) of PS, or 0.2 mg/cm(2) of SB, and stored at room temperature (ca. 20 degrees C) for 10 days. The film incorporating SL was the most effective, completely inhibiting the growth of L. monocytogenes during 10 days of storage. L. monocytogenes in samples packaged in the other four antimicrobial films grew, but the increase in counts was lower than the control. The antilisterial efficacy of films containing lower concentrations of SL (2.3 mg/cm(2) and 4.5 mg/cm(2)) and binary combinations SL, PS, SD, SB and nisin were subsequently evaluated. Among all the treatments, chitosan-coated plastic films with 4.5 mg/cm(2) SL, 4.5 mg/cm(2) SL-0.6 mg/cm(2) PS and 2.3 mg/cm(2) SL-500 IU/cm(2) nisin were the most effectiv...Continue Reading

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Citations

Jan 19, 2016·International Journal of Biological Macromolecules·Mahmoud Hosseinnejad, Seid Mahdi Jafari
Oct 29, 2009·International Journal of Food Microbiology·Hudaa NeetooHaiqiang Chen
Oct 17, 2013·International Journal of Food Microbiology·Weerapong WoraprayoteWonnop Visessanguan
Jan 31, 2012·International Journal of Food Microbiology·Hesham M Badr
May 28, 2013·International Journal of Biological Macromolecules·Emrah Torlak, Durmuş Sert
Feb 13, 2015·Critical Reviews in Food Science and Nutrition·Adem GharsallaouiPascal Degraeve
Jun 29, 2017·International Journal of Biological Macromolecules·Mohammed S AlsaggafAhmed A Tayel
Jan 8, 2019·Critical Reviews in Food Science and Nutrition·Muhammad Zubair, Aman Ullah
Jul 31, 2020·Foods·Amalia ConteMatteo Alessandro Del Nobile
Sep 11, 2010·Journal of Food Protection·Mendel Friedman, Vijay K Juneja
Jul 26, 2017·Journal of Food Science and Technology·P WidstenM A Chycka
Dec 12, 2018·Frontiers in Microbiology·Rajaa BenabbouIsmail Fliss
Mar 28, 2019·BioMed Research International·Krzysztof SkowronEugenia Gospodarek-Komkowska
Jan 1, 2018·Comprehensive Reviews in Food Science and Food Safety·Selçuk YildirimVéronique Coma
Nov 1, 2018·Comprehensive Reviews in Food Science and Food Safety·Oladipupo Odunayo Olatunde, Soottawat Benjakul
Aug 9, 2020·International Journal of Food Microbiology·Ruixi ChenVeronica Guariglia-Oropeza

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