Lynne Wong's PhD thesis

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 27.77 27.00 0.9812 27.69 30.04 0.9816 30.30 27.63 0.9818 39.92 58.83
27.86 26.94 29.52 29.62 31.98 29.05 28.15 57.83
mean 27.82 26.97 28.61 29.83 31.14 28.34 34.04 58.33
10% 0.9746 22.65 24.31 0.9751 30.79 29.03 0.9760 33.52 31.54 0.9764 26.06 27.84
23.70 21.73 26.86 29.97 28.90 23.49 28.02 32.58
mean 23.18 23.02 28.83 29.50 31.21 27.52 27.04 30.21
20% 0.8814 16.65 17.16 0.8839 18.56 17.53 0.8868 18.66 17.69 0.8882 18.27 16.85
16.61 17.14 17.09 17.11 16.84 17.03 19.51 15.56
mean 16.63 17.15 17.83 17.32 17.75 17.36 18.89 16.21
30% 0.7549 14.57 12.20 0.7629 12.35 11.90 0.7684 12.77 12.49 0.7711 12.09 12.01
14.89 12.48 11.55 12.12 9.92 11.59 9.35 11.37
mean 14.73 12.34 11.95 12.01 11.35 12.04 10.72 11.69
40% 0.5711 10.72 8.73 0.5866 10.25 8.26 0.5948 6.92 6.54 0.5989 8.39 9.16
8.35 8.34 9.21 8.42 8.30 8.39 7.45 7.14
mean 9.54 8.54 9.73 8.34 7.61 7.47 7.92 8.15
50% 0.3574 5.80 6.05 0.3765 5.54 6.94 0.3879 5.83 5.43 0.3936 5.45 5.66
6.00 5.92 5.78 4.99 5.32 6.52 5.17 5.29
mean 5.90 5.99 5.66 5.97 5.58 5.98 5.31 5.48
60% 0.1677 3.96 4.68 0.1834 3.84 3.64 0.1937 3.39 2.74 0.1988 3.52 3.64
3.95 4.55 3.66 3.46 3.25 3.73 4.48 3.11
mean 3.96 4.62 3.75 3.55 3.32 3.24 4.00 3.38
Table 5.16. Equilibrium moisture content (on a dry basis) of green leaf fines 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
201