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Potential of acidified sodium benzoate as an alternative wash solution of cherry tomatoes: Changes of quality, background microbes, and inoculated pathogens during storage at 4 and 21°C post-washing

Published on Sep 1, 2019in Food Microbiology4.089
· DOI :10.1016/j.fm.2019.01.013
Huaiqiong Chen13
Estimated H-index: 13
(UT: University of Tennessee),
Yue Zhang20
Estimated H-index: 20
(UT: University of Tennessee),
Qixin Zhong34
Estimated H-index: 34
(UT: University of Tennessee)
Abstract
Abstract To evaluate the feasibility of acidified sodium benzoate (NaB) as alternative washing solutions of fresh produce, the survival of inoculated pathogens, the background molds and yeasts counts, and quality parameters were compared during 4 and 21 °C storage of cherry tomatoes washed with 3000 ppm NaB at pH 2.0, 200 ppm free chlorine at pH 6.5, water adjusted to pH 2.0, and distilled water. The acidified NaB solution was the most effective in reducing the population of Escherichia coli O157:H7, Salmonella enterica and Listeria monocytogenes cocktails on tomatoes (>4 log CFU/g). NaB was more effective than free chlorine (P   0.05). No recovery of bacteria was found in all treatments during storage for 15 days. The acidified NaB effectively controlled yeasts and molds on cherry tomatoes to
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References44
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