Treatments at three US intensities (4.2, 11 and 19 w cm-2) and three treatment times (10 ,25 and 40 min) were applied according to Table 2 and details of the US intensities used can be seen in Table 3. The temperature remained below 21°c for all US intensities applied, measured by placement of a thermocouple (Tiny Tag View 2 TV – 4020, Gemini Date Loggers Ltd.,UK) at the liquid to meat interface for the duration of treatments.