Lynne Wong's PhD thesis

Table 5.9. Equilibrium moisture content (on a dry basis) of stalk pith from R 570 aged 52 weeks and 36 weeks at various temperatures and water activities.
30 o C 45 o C 55 o C 60 o C
Water water adsorbed Water water adsorbed Water water adsorbed Water water adsorbed
m/m of 96% activity, a w (g/100g dry fibre) activity, a w (g/100g dry fibre) activity, a w (g/100g dry fibre) activity, a w (g/100g dry fibre)
H 2SO 4 soln 52 weeks 36 weeks 52 weeks 36 weeks 52 weeks 36 weeks 52 weeks 36 weeks
5% 0.9808 35.71 31.99 0.9812 31.66 37.04 0.9816 35.01 36.50 0.9818 42.88 38.91
34.17 31.29 38.31 34.10 39.26 36.83 40.19 27.25
mean 34.94 31.64 34.99 35.57 37.14 36.67 41.54 33.08
10% 0.9746 26.19 27.24 0.9751 40.32 37.62 0.9760 46.67 37.94 0.9764 40.56 37.94
28.33 23.79 39.51 33.04 42.34 36.79 41.96 42.55
mean 27.26 25.52 39.92 35.33 44.51 37.37 41.26 40.25
20% 0.8814 22.11 19.45 0.8839 24.08 18.05 0.8868 19.55 19.80 0.8882 21.87 18.60
20.91 18.55 21.13 17.87 22.42 18.32 18.19 17.19
mean 21.51 19.00 22.61 17.96 20.99 19.06 20.03 17.90
30% 0.7549 15.05 14.30 0.7629 13.80 15.44 0.7684 12.97 16.10 0.7711 12.66 12.53
13.97 12.93 13.20 16.64 12.71 13.25 14.22 14.17
mean 14.51 13.62 13.50 16.04 12.84 14.68 13.44 13.35
40% 0.5711 12.92 11.76 0.5866 9.51 9.15 0.5948 9.05 7.15 0.5989 9.31 7.69
9.23 10.96 9.70 9.75 8.92 8.53 8.90 6.41
mean 11.08 11.36 9.61 9.45 8.99 7.84 9.11 7.05
50% 0.3574 6.62 5.73 0.3765 8.23 5.76 0.3879 6.54 4.01 0.3936 5.89 7.89
8.12 6.28 7.87 6.62 6.31 5.28 3.79 3.57
mean 7.37 6.01 8.05 6.19 6.43 4.65 4.84 5.73
60% 0.1677 8.08 5.22 0.1834 6.68 4.09 0.1937 3.61 3.90 0.1988 2.42 4.78
4.85 5.00 4.76 4.05 3.44 3.81 3.36 4.88
mean 6.47 5.11 5.72 4.07 3.53 3.86 2.89 4.83
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