Field strength experiments
A set of experiments was conducted to determine the
effect of field strength on the electrical conductivity
changes during ohmic heating. The strawberry pulp
samples were heated up to 100 8C using eight different
field strengths (from 25 to 100 Vcmy1) with a 2 cm
gap between electrodes.
Strawberry based products were tested with four
different field strengths (from 32 to 80 Vcmy1) and a
2 cm gap between electrodes.
In all cases, the variation coefficient obtained between
the three replicates made for each experiment was below
5%.