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Combined Treatment With Mild Heat, Manothermosonication And Pulsed Electric Fields Reduces Microbial Growth In Milk., Rachel Halpin, O. Cregenzán-Alberti, P. Whyte, J.G Lyng, F. Noci
Combined Treatment With Mild Heat, Manothermosonication And Pulsed Electric Fields Reduces Microbial Growth In Milk., Rachel Halpin, O. Cregenzán-Alberti, P. Whyte, J.G Lyng, F. Noci
Articles
In recent years, there has been considerable interest in non-thermal milk processing. The objective of the present study was to assess the efficacy of two non-thermal technologies (manothermosonication; MTS, and pulsed electric fields; PEF) in comparison to thermal pasteurisation, by assessing the microbial levels of each of these milk samples post-processing. Homogenised milk was subjected to MTS (frequency; 20 kHz, amplitude; 27.9 μm, pressure; 225 kPa) at two temperatures (37 °C or 55 °C), before being immediately treated with PEF (electric field strength; 32 kV/cm, pulse width; 10 μs, frequency; 320 Hz). Thermal pasteurisation (72 °C, 20 s) was included …