Moisture loss of potato chips during vacuum frying at different oil
temperatures. MðtÞ ¼ 2:5964 expð p2De t
4a2 Þ þ 0:15; lnDe ¼ 8:5175 4085:1 1T
393 6 T 6 413 where M(t) is the moisture content at time t in (g water/g solids),
t is the frying time (s), a is half of the thickness (m) of the potato slice, De is the
diffusion coefficient (m2/s), and T the absolute temperature (K).