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OMURTAG KORKMAZ, BURCU İREM

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OMURTAG KORKMAZ

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BURCU İREM

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Has files: true × Subject: Campylobacter jejuni ×

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    PublicationOpen Access
    Using microbial responses viewer and a regression approach to assess the eEffect of pH, activity of water and temperature on the survival of campylobacter spp
    (2022-03-01) OMURTAG KORKMAZ, BURCU İREM; İÇEN, HAYRUNİSA; İÇEN H., Corbo M. R., Sinigaglia M., OMURTAG KORKMAZ B. İ., Bevilacqua A.
    This study aimed at developing a model for evaluating the survival of various Campylobacter jejuni strains under different conditions in culture media and poultry data from ComBase. Campylobacter data of culture media (116) and poultry (19) were collected from Microbial Responses Viewer, an additional tool of ComBase. The Weibull equation was selected as a suitable model for the analysis of survival data because of the nonlinearity of survival curves. Then, the fitting parameters (first reduction time and shape parameter) were analysed through a Kruskall-Wallis test and box-whisker plots, thus pointing out the existence of two classes of temperature (0-12 degrees C and 15-25 degrees C) and pH (4-6.5 and 7-7.5) acting on the viability of C. jejuni. Finally, a general regression model was used to build a comprehensive function; all factors were significant, but temperature was the most significant variable, followed by pH and water activity. In addition, desirability and prediction profiles highlighted a negative correlation of the first reduction time with temperature and a positive correlation with pH and water activity.
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    PublicationOpen Access
    The anti-campylobacter activity of eugenol and its potential for poultry meat safety: A review
    (2022-11-01) OMURTAG KORKMAZ, BURCU İREM; GÜRBÜZ M., OMURTAG KORKMAZ B. İ.
    Poultry is one of the fastest growing industries due to advantages in land use, rapid production and advances in feed technology. The rising trend in the consumption of poultry meat over the last 50 years has also increased concerns about food safety. Campylobacter jejuni is the leading bacterial cause of gastroenteritis, the foremost cause of foodborne deaths. Despite significant progress in food safety methology, the genus Campylobacter remains a common foodborne pathogen in poultry. Increasing consumer demands for natural products require the discovery of new antimicrobials to ensure the safety of poultry meat. Recent studies have revealed that eugenol acts with antimicrobial activity on a wide variety of foodborne microorganisms. Eugenol is generally recognized as safe and is a promising preservative for the food industry. However, specific applications of eugenol need to be identified and validated to clarify the role of the food preservative in poultry meat safety.