The effect of potassium sorbate on the structural integrity of Alteromonas putrefaciens

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Abstract
Treatment of Alteromonas putrefaciens with potassium sorbate at pH 7.0 resulted in increased hydrophobicity of the cell wall and lysis on exposure to lysozyme. These effects could be overcome to some extent by the addition of magnesium ions to the incubation medium. Transmission and scanning electron microscopy provided evidence of outer membrane damage in sorbate‐treated cells. Dissociated sorbate ion was shown to have an inhibitory effect on A. putrefaciens.
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