Lynne Wong's PhD thesis

Table 5.29. Calculated equilibrium moisture content (db) for reconstituted cane stalk of variety R 570 aged 52 weeks at various temperatures and water activities.
30 o C 45 o C 55 o C 60 o C
Water Water adsorbed/% db Water Water adsorbed/% db Water Water adsorbed/% db Water Water adsorbed/% db
m/m of a w
Experimental Predicted a w
Experimental Predicted a w
Experimental Predicted a w
Experimental Predicted
96%
Stalk Rind Reconstitute
Stalk Rind Reconstitute
Stalk Rind Reconstitute
Stalk Rind Reconstituted
d
d
d
H 2SO 4 soln fibre pith fibre fines cane fibre pith fibre fines cane fibre pith fibre fines cane fibre pith fibre fines cane
5% 0.9808 23.6 35.7 21.7 23.5 25.89 0.9812 25.2 31.6 23.7 24.7 26.17 0.9816 26.2 35.0 22.8 24.3 26.76 0.9818 31.0 42.8 29.6 22.2 31.33
0 1 3 5
1 6 4 8
6 1 9 4
4 8 1 8
26.0 34.1 22.3 24.0
26.26
27.4 38.3 24.4 25.5
28.60
30.7 39.2 30.2 24.8
31.23
33.4 40.1 44.8 24.7
36.97
8 7 0 7
6 1 4 3
1 6 6 4
0 9 9 8
mean 24.8 34.9 22.0 23.8 26.08 26.3 34.9 24.0 25.1 27.38 28.4 37.1 26.5 24.5 29.00 32.2 41.5 37.2 23.5 34.15
4 4 2 1
4 9 9 6
9 4 8 9
2 4 5 3
10% 0.9746 20.5 26.1 19.7 20.0 21.52 0.9751 25.4 40.3 24.2 25.1 28.59 0.9760 30.6 46.6 26.5 22.3 31.15 0.9764 32.8 40.5 32.9 28.5 33.73
4 9 5 1
6 2 4 5
6 7 5 8
2 6 7 2
19.8 28.3 22.0 19.4
22.58
23.7 39.5 21.4 20.2
25.95
24.8 42.3 23.6 21.7
27.96
24.4 41.9 19.0 18.4
25.37
1 3 6 5
6 1 4 2
1 4 9 5
2 6 0 0
mean 20.1 27.2 20.9 19.7 22.05 24.6 39.9 22.8 22.6 27.27 27.7 44.5 25.1 22.0 29.56 28.6 41.2 25.9 23.4 29.55
8 6 1 3
1 2 4 9
4 1 2 7
2 6 9 6
20% 0.8814 15.2 22.1 16.6 15.1 17.39 0.8839 16.5 24.0 16.3 16.8 18.37 0.8868 16.0 19.5 15.5 16.4 16.81 0.8882 16.0 21.8 15.3 16.3 17.30
6 1 4 9
4 8 3 0
2 5 2 6
6 7 8 1
17.2 20.9 14.3 14.7
16.54
15.3 21.1 15.0 15.1
16.61
14.6 22.4 14.2 14.7
16.43
14.3 18.1 14.2 14.4
15.27
8 1 4 7
0 3 6 8
7 2 2 7
9 9 1 7
mean 16.2 21.5 15.4 14.9 16.97 15.9 22.6 15.7 15.9 17.49 15.3 20.9 14.8 15.6 16.62 15.2 20.0 14.8 15.3 16.29
7 1 9 8
2 1 0 9
5 9 7 2
3 3 0 9
30% 0.7549 13.7 15.0 11.4 11.6 12.76 0.7629 14.4 13.8 13.8 10.8 13.21 0.7684 12.6 12.9 13.6 10.5 12.55 0.7711 11.1 12.6 9.08 10.2 10.58
9 5 1 4
5 0 4 4
6 7 0 3
5 6 2
15.2 13.9 14.6 11.3
13.79
11.2 13.2 10.4 12.6
11.77
10.5 12.7
9.76 7.71 10.12
10.8 14.2 10.1 10.7
11.40
0 7 5 9
4 0 2 3
3 1
8 2 4 4
mean 14.5 14.5 13.0 11.5 13.28 12.8 13.5 12.1 11.7 12.49 11.6 12.8 11.6 9.12 11.33 11.0 13.4 9.61 10.4 10.99
0 1 3 2
5 0 3 4
0 4 8
2 4 8
40% 0.5711 9.65 12.9 9.57 9.50 10.38 0.5866 9.60 9.51 8.96 8.02 8.98 0.5948 7.76 9.05 5.80 6.77 7.16 0.5989 7.89 9.31 7.13 6.76 7.70
2
7.62 9.23 7.63 7.51 7.99
11.0
9.70 10.8 9.22 10.22 7.85 8.92 7.19 5.25 7.26 8.04 8.90 8.71 5.26 7.82
5 6
mean 8.64 11.0 8.60 8.51 9.19 10.3 9.61 9.91 8.62 9.60 7.81 8.99 6.50 6.01 7.21 7.97 9.11 7.92 6.01 7.76
8
3
50% 0.3574 5.40 6.62 5.07 5.42 5.59 0.3765 5.16 8.23 4.95 6.57 6.17 0.3879 5.33 6.54 5.14 4.99 5.48 0.3936 5.32 5.89 4.51 4.45 4.97
5.30 8.12 6.97 5.53 6.62 5.34 7.87 5.98 5.17 6.14 4.83 6.31 3.98 4.54 4.83 4.57 3.79 4.43 4.50 4.31
mean 5.35 7.37 6.02 5.48 6.11 5.25 8.05 5.47 5.87 6.16 5.08 6.43 4.56 4.77 5.15 4.95 4.84 4.47 4.48 4.64
60% 0.1677 4.93 8.08 3.52 4.25 5.05 0.1834 3.47 6.68 2.66 3.16 3.90 0.1937 3.35 3.61 3.17 3.01 3.27 0.1988 3.21 2.42 3.07 3.13 2.95
4.33 4.85 4.82 3.91 4.53 3.51 4.76 3.15 3.13 3.60 2.80 3.44 1.84 2.76 2.61 3.32 3.36 2.79 3.04 3.08
mean 4.63 6.47 4.17 4.08 4.79 3.49 5.72 2.91 3.15 3.75 3.08 3.53 2.51 2.89 2.94 3.27 2.89 2.93 3.09 3.01
229