Influencia de la temperatura de subcultivo sobre el comportamiento frenta al calor de los esporos de Bacillus stearothermophilus

  1. Bernardo Álvarez, Ana
  2. Martín Sarmiento, Roberto
  3. González Prieto, Josefa
  4. González Martínez, Isaac
  5. López Fernández, Mercedes
Journal:
Anales de la Facultad de Veterinaria de León

ISSN: 0373-1170

Year of publication: 1991

Year: 37

Issue: 37

Pages: 41-51

Type: Article

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Abstract

The effects of recovery temperature (40-650 C) on the apparent behaviour of heattreated spores of Bacillus stearothermophilus were studied using as plating media nutrient agar (NA), dextrose triptone agar (DTA) and antibiotic assay medium (A-AM). Colony counts increased with temperature from 45 to 60o C. DT values obtained at 50-600 C were slightly higher than those at 650 C and 40-450 C. z values were not modified by incubation temperatures.

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