Liha töötlemine
2 days based on High-frequency heating is considered a
initial psychrotrophic plate count reduction thermal process where the meat product is
of up to 2.3 log10 CFU/g (Natrajan and heated through microwave or radiofrequency
Sheldon 2000b). Marcos et al. (2007) dem- energy, which causes oscillation of water
onstrated the effectiveness of enterocin-con- molecules, friction, and resultant heat genera-
taining biodegradable films (alginate, zein, tion (Hugas et al. 2002). The permitted fre-
and polyvinyl alcohol) to control L. monocy- quency bands include 13.56, 27.12, and
togenes on air-packed and vacuum-packed 40.68 MHz for radiofrequency heating and
sliced cooked ham. Millette et al. (2007) 433, 915, 2,450, and 5,800 MHz for micro-
incorporated nisin in alginate film and beads wave usage (Aymerich et al. 2008). All