Non-thermal methods of food preservation based on electromagnetic energy
Sommaire de l'article
Consumer’s demand for preserved foods, particularly fruit and vegetables, that retain at most both sensory anti nutritional properties, leads researchers to test new preserving methods either alternative or combined with traditional thermal processing. These include several techniques based on the use of different forms of electromagnetic energy. In this review, the principles, equipments and food applications of pulsed electric field, pulsed light and oscillating magnetic field techniques are described. Due to non-thermal nature of these processes, energy saving and product quality loss minimisation is achieved.