2012
DOI: 10.1111/j.1750-3841.2012.02719.x
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Electrostatic Spraying of Food‐Grade Organic and Inorganic Acids and Plant Extracts to Decontaminate Escherichia coli O157:H7 on Spinach and Iceberg Lettuce

Abstract: Electrostatic spraying is an emerging technique that can be adopted to improve the distribution and application of antimicrobials during fresh produce sanitation. Relatively simple and quick, the process can access most/all parts of produce surface and offer protection from food pathogens. The use of malic and lactic acids with or without grape seed extract can serve as effective antimicrobials when sprayed electrostatically, lowering the risk from postcontamination issues with spinach and iceberg lettuce. Thi… Show more

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Cited by 39 publications
(24 citation statements)
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“…LAB are known for their antagonistic relationship with pathogens and are used extensively as biocontrol agents in food products. Electrostatic spraying is known to provide a ‘coating effect’, which has been shown to be effective against this pathogen . An even coverage, wrap‐around effect of the sample surface (leaves), combined with the uniform distribution of the droplets containing the LAB, yielded superior decontamination in comparison with the ‘mechanical removal’ offered by the sprinkler irrigation spraying method.…”
Section: Resultsmentioning
confidence: 99%
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“…LAB are known for their antagonistic relationship with pathogens and are used extensively as biocontrol agents in food products. Electrostatic spraying is known to provide a ‘coating effect’, which has been shown to be effective against this pathogen . An even coverage, wrap‐around effect of the sample surface (leaves), combined with the uniform distribution of the droplets containing the LAB, yielded superior decontamination in comparison with the ‘mechanical removal’ offered by the sprinkler irrigation spraying method.…”
Section: Resultsmentioning
confidence: 99%
“…Therefore the pathogen might become more susceptible to other mechanical removal forces as well as to the competitive and antagonistic relationships with other microbial groups present on the surface of the produce leaves. Also, the LAB metabolic products could affect the pathogen's quorum‐sensing mechanism, further disturbing the survival and growth of E. coli O157:H7 on spinach leaves ‘coated’ with LAB …”
Section: Resultsmentioning
confidence: 99%
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“…Recent studies in which aerosolized organic acids were applied to lettuce and spinach that had been inoculated with human pathogens have yielded promising results Ganesh et al, 2012). Huang et al (2012) applied aerosolized antimicrobials including allyl isothiocyanate, hydrogen peroxide, acetic acid, and lactic acid as a post-washing treatment to baby lettuce, inoculated with E. coli O157:H7, and reported reductions approaching, and in some cases exceeding, 5 logs.…”
Section: Technology For Reduction Of Human Pathogens In Fresh Producementioning
confidence: 99%