Table 4.

Electrical energy consumption of FD and different IRAFD trials for dried strawberry

Methods	Vacuum pump (× 103 kJ)	Condenser (× 103 kJ)	IR lamp (× 103 kJ)	Total (× 103 kJ)
FD	9.83 ± 0.40a	13.66 ± 4.88a	-	23.49 ± 5.17a
IRAFD-1.6 kW/m2 at 60% WR	7.52 ± 0.09b	13.32 ± 0.044ab	0.35 ± 0.07b	20.85 ± 0.08ab
IRAFD-1.6 kW/m2 at 40% WR	6.27 ± 0.05c	11.52 ± 0.23abc	0.44 ± 0.06ab	17.80 ± 0.20bc
IRAFD-1.6 kW/m2 at 20% WR	5.16 ± 0.26d	9.38 ± 0.40bc	0.48 ± 0.03a	14.55 ± 0.26c
Continuous IRAFD-1.6 kW/m2	4.64 ± 0.08e	8.98 ± 0.10c	0.54 ± 0.10a	13.63 ± 0.09c

^a–eMeans (± SD) with a different letter in the same column are significantly different at p < 0.05

WR weight reduction