Influence of temperature and pressure on the lethality of ultrasound.

  title={Influence of temperature and pressure on the lethality of ultrasound.},
  author={Javier Raso and Rafael F. Pagan and Santiago Cond{\'o}n and F. J. Food Sala},
  journal={Applied and environmental microbiology},
  volume={64 2},
A specially designed resistometer was constructed, and the lethal effect on Yersinia enterocolitica of ultrasonic waves (UW) at different static pressures (manosonication [MS]) and of combined heat-UW under pressure treatments (manothermosonication [MTS]) was investigated. During MS treatments at 30 degrees C and 200 kPa, the increase in the amplitude of UW of 20 kHz from 21 to 150 mum exponentially decreased decimal reduction time values (D(MS)) from 4 to 0.37 min. When pressure was increased… CONTINUE READING

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