Journal of Food: Microbiology, Safety & Hygiene
Open Access

Department of Microbiology and Biochemistry, University of M’Sila, M’Sila 24000, Algeria

Publications

• Research Article   
  Ultrasound Treatment Effects on Staphylococcus aureus Cell
  Author(s): Amir Tahi Akil, Amir Nadir, Kernou Ourdia Nouara*, Belbahi Amine, Kerdouche Kamelia and Madani Khodir
  
  The aim of this study was to obtain valuable information about the effect of ultrasonic irradiation with a frequency of 20 kHz while discontinuing pulsation (10 s off, 5 s on) on the inactivation capability of Staphylococcus aureus ATCC 25923, in physiologic water samples. Ultrasonic irradiation of bacterial samples with different populations of 108, 1010 and 1012 colony-forming units/mL by varying the volumes of the bacterial suspension (15 mL, 30 mL and 45 mL) was performed at a constant frequency with different amplitude levels 60%, 80% and 100%, various treatment times and temperatures 20, 30 and 50°C ± 2°C. The linear section of a plot showing a survival ratio logarithm vs. sonication time was used to determine the rate constant for ultrasonic inactivation. In spite of the fact that ultrasonic ther.. View More»
  DOI: 10.35248/2476-2059.23.08.188

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