To explain the relationship between dielectric properties and RF heating, the heating rate of peanuts was obtained both by
experiment and simulation. A 6 kW, 27.12 MHz free-running oscillator RF system (SO6B, Strayfield International,Workingham,U.K.) was used to heat 2.5 kg peanuts in a plastic container (300 mm 220 mm 60 mm) (Fig. 1