Influencia del ph del medio de esporulación sobre los parámetros de resitencia al calor para Bacllus cereus

1. Martín Sarmiento, Roberto
2. González Prieto, Josefa
3. González Martínez, Isaac
4. López Fernández, Mercedes
5. Mazas Alberdi, Margarita

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More publications in: Anales de la Facultad de Veterinaria de León

Abstract

Heat resistance of Bacillus cereus ATCC 4342 spores produced at different pHs of sporulation was investigated. D-values were very influenced by the pH of the medium, showing differences of about six-fold. The pH of sporulation medium which yielded the most thermoresistant spores depended on the type of medium used, 7,5 with nutrient agar and 6,2 with Angelotti medium. z-Values were not significantly affected.

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