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Table 5.31. Calculated equilibrium moisture content (db) for reconstituted dry leaf and green leaf of variety R 570 aged 52 weeks at various temperatures and water activities.<br />
30 o C 45 o C 55 o C 60 o C<br />
Water Water adsorbed/% db Water Water adsorbed/% db Water Water adsorbed/% db Water Water adsorbed/% db<br />
m/m of 96%<br />
a w Experimental Predicted<br />
a w Experimental Predicted<br />
a w Experimental Predicted<br />
a w Experimental Predicted<br />
Dry leaf Green leaf Reconstituted Dry leaf Green leaf Reconstituted Dry leaf Green leaf Reconstituted Dry leaf Green leaf Reconstituted<br />
H 2SO 4 soln fibre fines fibre fines dry leaf green leaf fibre fines fibre fines dry leaf green leaf fibre fines fibre fines<br />
dry green<br />
fibre fines fibre fines<br />
dry<br />
green leaf<br />
leaf leaf<br />
leaf<br />
5% 0.9808<br />
26.2 27.3 27.7 27.3<br />
26.69 27.64 0.9812<br />
31.5 27.7 27.6 30.4<br />
29.98 28.61 0.9816<br />
31.6<br />
28.61 30.3 37.5<br />
30.37 32.68 0.9818<br />
48.2 34.0 39.9 31.3<br />
42.26 40.69<br />
1 6 7 9<br />
9 6 9 9<br />
5 0 2<br />
3 4 2 4<br />
27.5 28.6 27.8 28.5<br />
27.5 28.5 29.5 38.5<br />
36.3<br />
28.02 28.07<br />
27.97 32.49<br />
26.61 31.9 48.1<br />
40.5 34.3 28.1 39.0<br />
32.25 37.28<br />
37.96 31.38<br />
9 1 6 1<br />
8 1 2 5<br />
5 8 0<br />
6 9 5 7<br />
Mean<br />
26.9 27.9 27.8 27.9<br />
27.36 27.86<br />
29.5 28.1 28.6 34.5<br />
28.97 30.55<br />
34.0<br />
27.61 31.1 42.8<br />
31.31 34.98<br />
44.4 34.2 34.0 35.2<br />
40.11 36.03<br />
0 9 2 5<br />
9 4 1 2<br />
0 4 1<br />
0 2 4 1<br />
10% 0.9746<br />
25.4 23.5 22.6 26.4<br />
24.66 23.91 0.9751<br />
24.6 27.1 30.7 28.5<br />
25.66 30.04 0.9760<br />
26.1<br />
30.08 33.5 30.4<br />
27.80 32.52 0.9764<br />
26.0 24.1 26.0 30.6<br />
25.23 25.79<br />
9 2 5 8<br />
1 1 9 1<br />
4 2 9<br />
3 2 6 9<br />
22.0 22.9 23.7 24.7<br />
24.2 25.7 26.8 27.5<br />
19.6<br />
22.41 24.05<br />
24.91 27.09<br />
24.00 28.9 25.7<br />
33.1 32.1 28.0 25.8<br />
21.49 27.87<br />
32.75 29.57<br />
4 2 0 7<br />
8 8 6 7<br />
7 0 6<br />
8 5 2 2<br />
Mean<br />
23.7 23.2 23.1 25.6<br />
23.54 23.98<br />
24.4 26.4 28.8 28.0<br />
25.29 28.57<br />
22.9<br />
27.04 31.2 28.1<br />
24.65 30.20<br />
29.6 28.1 27.0 28.2<br />
28.99 27.68<br />
7 2 8 3<br />
5 5 3 4<br />
1 1 3<br />
1 4 4 6<br />
20% 0.8814<br />
16.7 22.3 16.6 18.1<br />
19.12 17.13 0.8839<br />
18.0 18.6 18.5 18.0<br />
18.30 18.39 0.8868<br />
16.9<br />
17.75 18.6 18.3<br />
17.28 18.57 0.8882<br />
17.2 16.8 18.2 16.3<br />
17.08 17.88<br />
5 8 5 0<br />
2 8 6 3<br />
4 6 9<br />
1 9 7 9<br />
16.3 19.4 16.6 16.4<br />
16.4 16.3 17.0 16.7<br />
15.8<br />
17.65 16.56<br />
16.39 16.96<br />
16.73 16.8 16.7<br />
15.8 16.1 19.5 17.5<br />
16.22 16.79<br />
15.98 18.35<br />
5 3 1 6<br />
4 3 9 0<br />
5 4 0<br />
2 9 1 9<br />
Mean<br />
16.5 20.9 16.6 17.2<br />
18.38 16.84<br />
17.2 17.5 17.8 17.3<br />
17.35 17.67<br />
16.4<br />
17.24 17.7 17.5<br />
16.75 17.68<br />
16.5 16.5 18.8 16.9<br />
16.53 18.11<br />
5 1 3 8<br />
3 1 3 7<br />
0 5 5<br />
2 4 9 9<br />
30% 0.7549<br />
17.5 18.5 14.5 17.4<br />
17.93 15.50 0.7629<br />
12.5 12.2 12.3 13.2<br />
12.40 12.64 0.7684<br />
14.4<br />
11.64 12.7 12.0<br />
13.26 12.53 0.7711<br />
10.7 11.3 12.0 11.6<br />
11.02 11.74<br />
1 1 7 0<br />
1 5 5 4<br />
4 7 5<br />
7 6 9 7<br />
15.1 13.5 14.8 12.9<br />
10.7 11.7 11.5 11.2<br />
12.3<br />
14.43 14.24<br />
11.16 11.45<br />
9.32 9.92 13.1 11.09 10.99 9.41 11.3 9.35 11.9 10.21 9.63<br />
0 2 9 0<br />
5 2 5 4<br />
7<br />
6<br />
2 2<br />
Mean<br />
16.3 16.0 14.7 15.1<br />
16.18 14.87<br />
11.6 11.9 11.9 12.2<br />
11.78 12.05<br />
13.4<br />
10.48 11.3 12.6<br />
12.17 11.76<br />
10.0 11.3 10.7 11.8<br />
10.62 10.69<br />
1 2 3 5<br />
3 9 5 4<br />
1 5 1<br />
9 4 2 0<br />
40% 0.5711<br />
10.8 11.2 10.7<br />
9.11 10.98 10.19 0.5866 8.97 8.79 10.2 8.66 8.89 9.73 0.5948 8.58 8.28 6.92 8.31 8.45 7.38 0.5989 7.77 8.19 8.39 8.60 7.95 8.24<br />
0 2 2<br />
5<br />
8.49 9.83 8.35 8.42 9.05 8.37 8.37 9.19 9.21 9.68 8.72 9.36 8.08 6.26 8.30 8.06 7.31 8.22 9.14 7.84 7.45 7.72 8.59 7.83<br />
Mean 9.65 10.5<br />
3<br />
9.54 8.77 10.02 9.28 8.67 8.99 9.73 9.17 8.80 9.55 8.33 7.27 7.61 8.19 7.88 7.80 8.46 8.02 7.92 8.16 8.27 8.04<br />
50% 0.3574 5.98 7.40 5.80 5.99 6.58 5.86 0.3765 5.54 5.44 5.54 5.67 5.50 5.58 0.3879 5.29 9.48 5.83 5.86 7.05 5.84 0.3936 5.26 5.46 5.45 5.49 5.34 5.42<br />
6.20 8.57 6.00 6.22 7.20 6.07 5.86 6.59 5.78 5.86 6.17 5.81 5.27 4.21 5.32 5.37 4.82 5.34 5.06 4.38 5.17 4.96 4.77 5.04<br />
Mean 6.09 7.99 5.90 6.11 6.89 5.97 5.70 6.02 5.66 5.77 5.83 5.69 5.28 6.85 5.58 5.62 5.94 5.59 5.16 4.92 5.31 5.23 5.06 5.23<br />
60% 0.1677 4.11 4.42 3.96 4.31 4.24 4.08 0.1834 3.79 3.56 3.84 3.97 3.69 3.88 0.1937 3.73 3.87 3.39 3.87 3.79 3.55 0.1988 3.59 4.04 3.52 3.54 3.78 3.61<br />
7.36 4.84 3.95 4.90 6.30 4.26 3.89 4.98 3.66 3.96 4.35 3.76 2.64 3.23 3.25 3.18 2.89 3.23 3.66 2.77 4.48 3.73 3.29 4.09<br />
Mean 5.74 4.63 3.96 4.61 5.27 4.17 3.84 4.27 3.75 3.97 4.02 3.82 3.19 3.55 3.32 3.53 3.34 3.39 3.63 3.41 4.00 3.64 3.53 3.85<br />
231