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Visavale - Principles, Classification and Selection of Solar Dryers
Table 1.5. Quality and other drying parameters of Silver Pomfret, Mandeli and Ribbon fish dehydrated using various drying methods (Visavale, 2009)
Density,
Deff
Dryer
RR
Shrinkage,
%
kg m -3
∆ E
Hardness,
G
OA
Esp,
kJ kg -1
×10 9 ,
DT,h
25 °C 100 °C True Bulk
m 2 s -1
Silver pomfret (Pampus argenteus): IMC ~75% (w.b)
OSD 1.07 a 0.65 a
58.14 a
600.15 a 102.31 a 29.21 a 15000.40 a 5.05 a 0 a * 91.23 16.00
SCD 2.01 b 1.03 b 51.24 b 695.21 b 135.01 b 18.11 b 863.51 b 6.88 b 2367.03 a 101.33 11.33
HAD 2.10 b 1.11 b 52.44 b 724.55 c 144.51 b 18.55 b 995.32 c 6.91 b 21037.13 b 101.33 8.33
FD 2.51 c 1.21 b 4.85 c 413.31 d 58.32 c 5.50 c 780.24 d 8.50 c 30187.29 c 81.12 14.00
Mandeli (Coilia dussumieri): IMC ~85% (w.b)
OSD 2.35 a,c 2.05 a
62.19 a
390.28 a 75.12 a 37.05 a 1264.13 a 5.80 a 0 a * 30.39
8.00
SCD 3.5 b 3.15 b 43.13 b 412.58 a 79.32 a 25.19 b 1108.05 b 6.50 a 1045.15 a 61.08 5.00
HAD 3.05 a,b 2.78 b 42.14 b 435.21 a 80.72 a 21.08 b 988.06 c 6.65 a 7572.23 a 4.05 3.00
FD 3.75 c 3.45 d 5.15 d 305.12 b 48.14 b 5.75 d 628.51 d 8.88 b 16168.97 b 2.02 7.50
Ribbon fish (Lepturacanthus savala): IMC ~85% (w.b)
OSD 1.78 a,c 2.05 a
58.04 a
650.11 a 350.41 a 41.22 a 1503.81 a 5.55 a 0 a * 20.27
18.00
SCD 2.25 b 2.75 b 44.05 b 680.24 a 412.44 a 25.41 b 1342.43 b 6.65 a 1668.40 a 40.53 8.00
HAD 2.65 a,b 2.78 b 43.21 b 690.12 a 425.43 a 23.32 b 1303.53 c 6.75 a 15153.12 a 50.60 6.00
FD 3.75 c 3.55 d 6.01 d 495.44 b 98.22 b 5.78 d 686.41 d 8.85 b 32314.35 b 25.27 15.00
*During OSD E sp was assumed 0.00 kJ/kg water removal as natural solar energy was freely available. Similar letters indicate non significant difference (p>0.05)
Drying of Foods, Vegetables and Fruits 39