Lynne Wong's PhD thesis

Table 5.8. Equilibrium moisture content (on a dry basis) of stalk fibre 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 23.60 24.29 0.9812 25.21 25.79 0.9816 26.26 26.79 0.9818 31.04 26.52
26.08 24.10 27.46 27.47 30.71 27.32 33.40 21.18
mean 24.84 24.20 26.34 26.63 28.49 27.06 32.22 23.85
10% 0.9746 20.54 25.63 0.9751 25.46 25.98 0.9760 30.66 27.94 0.9764 32.82 27.11
19.81 22.30 23.76 29.53 24.81 26.44 24.42 27.76
mean 20.18 23.97 24.61 27.76 27.74 27.19 28.62 27.44
20% 0.8814 15.26 16.03 0.8839 16.54 15.38 0.8868 16.02 16.04 0.8882 16.06 15.19
17.28 14.94 15.30 15.55 14.67 13.12 14.39 15.58
mean 16.27 15.49 15.92 15.47 15.35 14.58 15.23 15.39
30% 0.7549 13.79 12.41 0.7629 14.45 12.26 0.7684 12.66 10.32 0.7711 11.15 11.83
15.20 10.66 11.24 12.70 10.53 11.63 10.88 10.32
mean 14.50 11.54 12.85 12.48 11.60 10.98 11.02 11.08
40% 0.5711 9.65 8.21 0.5866 9.60 7.66 0.5948 7.76 8.18 0.5989 7.89 7.49
7.62 7.65 11.05 7.79 7.85 7.86 8.04 7.59
mean 8.64 7.93 10.33 7.73 7.81 8.02 7.97 7.54
50% 0.3574 5.40 4.69 0.3765 5.16 5.40 0.3879 5.33 5.55 0.3936 5.32 5.10
5.30 6.89 5.34 4.53 4.83 5.59 4.57 4.04
mean 5.35 5.79 5.25 4.97 5.08 5.57 4.95 4.57
60% 0.1677 4.93 4.15 0.1834 3.47 3.38 0.1937 3.35 3.56 0.1988 3.21 2.45
4.33 3.92 3.51 3.26 2.80 3.16 3.32 2.76
mean 4.63 4.04 3.49 3.32 3.08 3.36 3.27 2.61
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