Chapter 13

High-intensity Pulsed Light Technology

Domenico Cacace,  and Luigi Palmieri     S.S.I.C.A.–Stazione Sperimentale per l'Industria delle Conserve Alimentari, Parma, Italy


Pulsed light technology (PLT) is an innovative method for the purification and sterilization of food items using very high power, short duration pulses of light emitted by inert-gas flash lamps. This technology was approved by the FDA in 1996, and has recently been widely investigated to assess possible commercial applications.

In this chapter, the theoretical and technical principles of PLT are introduced and the main topics of PLT are discussed, including the development of the device, the mechanisms of microbial inactivation, the parameters that are critical ...

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