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  • Title: Behaviour of Campylobacter jejuni in experimentally contaminated bottled natural mineral water.
    Author: Tatchou-Nyamsi-König JA, Moreau A, Fédérighi M, Block JC.
    Journal: J Appl Microbiol; 2007 Aug; 103(2):280-8. PubMed ID: 17650187.
    Abstract:
    AIMS: The main objective of the present study was to estimate the survival of microaerophilic Campylobacter jejuni in filtered natural mineral water at 4 degrees C and 25 degrees C. The influence of the presence of biodegradable organic matter was tested, assuming that the bacterial contamination of a bottled natural mineral water could be associated with contamination by organic matter. METHODS AND RESULTS: Washed Campylobacter cultures were inoculated in natural mineral water and sterile natural mineral water, and incubated in the dark at 4 degrees C and 25 degrees C. The effect of temperature, the biodegradable organic matter added, incubation atmosphere and autochthonous microflora were tested on the cultivability of Camp. jejuni. CONCLUSIONS: The survival of Camp. jejuni in natural mineral water was better at 4 degrees C than at 25 degrees C, and the presence of organic matter led to a deceleration in the loss of cultivability and to the multiplication of Camp. jejuni in natural mineral water. SIGNIFICANCE AND IMPACT OF THE STUDY: This study highlighted the fact that, in the event of dual contamination of a bottled natural mineral water (Campylobacter and biodegradable organic matter), the pathogen could survive (and even grow) for a relatively long time, especially at low temperature and in spite of the presence of oxygen.
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