Lynne Wong's PhD thesis

Lynne Wong's PhD thesis Lynne Wong's PhD thesis

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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. 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 96% a w Experimental Predicted a w Experimental Predicted a w Experimental Predicted a w Experimental Predicted Dry leaf Green leaf Reconstituted Dry leaf Green leaf Reconstituted Dry leaf Green leaf Reconstituted Dry leaf Green leaf Reconstituted H 2SO 4 soln fibre fines fibre fines dry leaf green leaf fibre fines fibre fines dry leaf green leaf fibre fines fibre fines dry green fibre fines fibre fines dry green leaf leaf leaf leaf 5% 0.9808 26.2 27.3 27.7 27.3 26.69 27.64 0.9812 31.5 27.7 27.6 30.4 29.98 28.61 0.9816 31.6 28.61 30.3 37.5 30.37 32.68 0.9818 48.2 34.0 39.9 31.3 42.26 40.69 1 6 7 9 9 6 9 9 5 0 2 3 4 2 4 27.5 28.6 27.8 28.5 27.5 28.5 29.5 38.5 36.3 28.02 28.07 27.97 32.49 26.61 31.9 48.1 40.5 34.3 28.1 39.0 32.25 37.28 37.96 31.38 9 1 6 1 8 1 2 5 5 8 0 6 9 5 7 Mean 26.9 27.9 27.8 27.9 27.36 27.86 29.5 28.1 28.6 34.5 28.97 30.55 34.0 27.61 31.1 42.8 31.31 34.98 44.4 34.2 34.0 35.2 40.11 36.03 0 9 2 5 9 4 1 2 0 4 1 0 2 4 1 10% 0.9746 25.4 23.5 22.6 26.4 24.66 23.91 0.9751 24.6 27.1 30.7 28.5 25.66 30.04 0.9760 26.1 30.08 33.5 30.4 27.80 32.52 0.9764 26.0 24.1 26.0 30.6 25.23 25.79 9 2 5 8 1 1 9 1 4 2 9 3 2 6 9 22.0 22.9 23.7 24.7 24.2 25.7 26.8 27.5 19.6 22.41 24.05 24.91 27.09 24.00 28.9 25.7 33.1 32.1 28.0 25.8 21.49 27.87 32.75 29.57 4 2 0 7 8 8 6 7 7 0 6 8 5 2 2 Mean 23.7 23.2 23.1 25.6 23.54 23.98 24.4 26.4 28.8 28.0 25.29 28.57 22.9 27.04 31.2 28.1 24.65 30.20 29.6 28.1 27.0 28.2 28.99 27.68 7 2 8 3 5 5 3 4 1 1 3 1 4 4 6 20% 0.8814 16.7 22.3 16.6 18.1 19.12 17.13 0.8839 18.0 18.6 18.5 18.0 18.30 18.39 0.8868 16.9 17.75 18.6 18.3 17.28 18.57 0.8882 17.2 16.8 18.2 16.3 17.08 17.88 5 8 5 0 2 8 6 3 4 6 9 1 9 7 9 16.3 19.4 16.6 16.4 16.4 16.3 17.0 16.7 15.8 17.65 16.56 16.39 16.96 16.73 16.8 16.7 15.8 16.1 19.5 17.5 16.22 16.79 15.98 18.35 5 3 1 6 4 3 9 0 5 4 0 2 9 1 9 Mean 16.5 20.9 16.6 17.2 18.38 16.84 17.2 17.5 17.8 17.3 17.35 17.67 16.4 17.24 17.7 17.5 16.75 17.68 16.5 16.5 18.8 16.9 16.53 18.11 5 1 3 8 3 1 3 7 0 5 5 2 4 9 9 30% 0.7549 17.5 18.5 14.5 17.4 17.93 15.50 0.7629 12.5 12.2 12.3 13.2 12.40 12.64 0.7684 14.4 11.64 12.7 12.0 13.26 12.53 0.7711 10.7 11.3 12.0 11.6 11.02 11.74 1 1 7 0 1 5 5 4 4 7 5 7 6 9 7 15.1 13.5 14.8 12.9 10.7 11.7 11.5 11.2 12.3 14.43 14.24 11.16 11.45 9.32 9.92 13.1 11.09 10.99 9.41 11.3 9.35 11.9 10.21 9.63 0 2 9 0 5 2 5 4 7 6 2 2 Mean 16.3 16.0 14.7 15.1 16.18 14.87 11.6 11.9 11.9 12.2 11.78 12.05 13.4 10.48 11.3 12.6 12.17 11.76 10.0 11.3 10.7 11.8 10.62 10.69 1 2 3 5 3 9 5 4 1 5 1 9 4 2 0 40% 0.5711 10.8 11.2 10.7 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 0 2 2 5 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 Mean 9.65 10.5 3 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 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 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 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 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 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 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 3.85 231

m/m of 96% Table 5.32. Calculated equilibrium moisture content (db) for reconstituted dry leaf and green leaf of variety R 570 aged 36 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 a w Experimental Predicted a w Experimental Predicted a w Experimental Predicted a w Experimental Predicted Dry leaf Green leaf Reconstituted Dry leaf Green leaf Reconstituted Dry leaf Green leaf Reconstituted Dry leaf Green leaf Reconstituted H 2SO 4 soln fibre fines fibre fines dry green fibre fines fibre fines dry green fibre fines fibre fines dry green fibre fines fibre fines dry green leaf leaf leaf leaf leaf leaf leaf leaf 5% 0.9808 28.0 28.1 27.0 28.1 28.06 27.34 0.9812 33.2 32.6 30.0 29.5 33.00 29.88 0.9816 33.2 30.8 27.6 37.4 32.33 30.57 0.9818 64.5 31.0 58.8 41.7 52.20 53.73 2 2 0 4 1 3 4 2 1 2 3 6 6 6 3 7 27.0 27.8 26.9 27.7 27.32 27.18 28.3 31.6 29.6 33.3 29.57 30.73 26.5 25.1 29.0 36.5 26.04 31.30 54.9 26.3 57.8 51.8 44.42 56.03 2 4 4 3 5 5 2 3 9 0 5 8 7 9 3 2 Mean 27.5 27.9 26.9 27.9 27.69 27.26 30.7 32.1 29.8 31.4 31.28 30.31 29.9 27.9 28.3 37.0 29.18 30.94 59.7 28.7 58.3 46.8 48.31 54.88 2 8 7 4 8 4 3 3 6 4 2 7 3 3 0 10% 0.9746 25.5 23.3 24.3 21.9 24.75 23.60 0.9751 27.7 26.7 29.0 25.8 27.39 28.06 0.9760 25.0 27.7 31.5 23.7 26.08 29.20 0.9764 19.2 23.7 27.8 24.7 20.90 26.93 8 2 1 2 4 8 3 0 9 8 4 1 4 4 4 9 24.3 21.8 21.7 23.7 23.41 22.32 25.2 27.5 29.9 26.0 26.09 28.80 22.3 26.3 23.4 25.3 23.83 24.04 21.4 27.4 32.5 25.8 23.66 30.55 4 1 3 0 7 0 7 6 3 9 9 3 2 8 8 0 Mean 24.9 22.5 23.0 22.8 24.08 22.96 26.5 27.1 29.5 25.9 26.74 28.43 23.7 27.0 27.5 24.5 24.96 26.62 20.3 25.6 30.2 25.3 22.28 28.74 6 7 2 1 1 4 0 3 1 9 2 2 3 1 1 0 20% 0.8814 17.1 18.0 17.1 17.2 17.48 17.19 0.8839 16.9 17.4 17.5 17.0 17.11 17.37 0.8868 17.1 17.4 17.6 17.0 17.24 17.48 0.8882 13.9 15.5 16.8 16.3 14.50 16.69 2 9 6 5 1 6 3 1 3 4 9 0 1 2 5 3 16.4 16.8 17.1 16.5 16.55 16.95 15.4 16.7 17.1 16.5 15.90 16.95 16.3 16.7 17.0 16.1 16.50 16.76 14.7 14.0 15.5 17.0 14.47 15.99 0 1 4 1 3 1 1 7 8 0 3 2 4 0 6 1 Mean 16.7 17.4 17.1 16.8 17.01 17.07 16.1 17.0 17.3 16.7 16.51 17.16 16.7 17.0 17.3 16.5 16.87 17.12 14.3 14.7 16.2 16.6 14.49 16.34 6 5 5 8 7 9 2 9 6 7 6 6 3 6 1 7 30% 0.7549 13.2 12.9 12.2 12.2 13.16 12.22 0.7629 13.1 11.9 11.9 11.6 12.72 11.83 0.7684 12.5 12.4 12.4 12.0 12.50 12.35 0.7711 10.9 13.2 12.0 12.8 11.78 12.27 9 4 0 6 8 3 0 5 0 9 9 2 3 3 1 7 14.0 12.1 12.4 11.7 13.32 12.26 12.9 12.2 12.1 11.7 12.67 12.01 12.0 13.8 11.5 11.9 12.70 11.68 11.9 10.9 11.3 11.4 11.62 11.40 1 4 8 5 1 5 2 4 1 7 9 0 9 8 7 7 Mean 13.6 12.5 12.3 12.0 13.24 12.24 13.0 12.0 12.0 11.7 12.69 11.92 12.2 13.1 12.0 11.9 12.60 12.02 11.4 12.1 11.6 12.1 11.70 11.83 5 4 4 1 5 9 1 0 6 8 4 6 6 1 9 7 40% 0.5711 8.92 9.38 8.73 8.94 9.09 8.79 0.5866 8.35 11.6 8.26 8.14 9.55 8.22 0.5948 9.73 9.81 6.54 7.24 9.76 6.75 0.5989 7.43 8.39 9.16 7.26 7.78 8.59 0 8.56 10.6 8.34 8.51 9.33 8.39 8.56 8.87 8.42 8.37 8.67 8.41 8.37 10.6 8.39 8.12 9.22 8.31 4.33 8.83 7.14 9.04 5.99 7.71 5 7 Mean 8.74 10.0 8.54 8.73 9.21 8.59 8.46 10.2 8.34 8.26 9.11 8.31 9.05 10.2 7.47 7.68 9.49 7.53 5.88 8.61 8.15 8.15 6.89 8.15 2 4 4 50% 0.3574 5.97 6.44 6.05 6.52 6.14 6.19 0.3765 8.80 6.74 6.94 8.86 8.04 7.51 0.3879 5.49 5.60 5.43 5.37 5.53 5.41 0.3936 5.45 5.58 5.66 4.98 5.50 5.46 5.77 6.21 5.92 5.97 5.93 5.93 8.21 6.48 4.99 6.21 7.57 5.35 8.59 6.87 6.52 6.07 7.96 6.39 5.07 7.12 5.29 5.93 5.83 5.48 Mean 5.87 6.33 5.99 6.25 6.04 6.06 8.51 6.61 5.97 7.54 7.81 6.43 7.04 6.24 5.98 5.72 6.74 5.90 5.26 6.35 5.48 5.46 5.66 5.47 60% 0.1677 4.83 5.02 4.68 4.86 4.90 4.73 0.1834 3.70 3.87 3.64 2.66 3.76 3.35 0.1937 4.08 4.24 2.74 4.06 4.14 3.13 0.1988 3.71 3.40 3.64 3.26 3.60 3.53 4.59 4.99 4.55 4.80 4.74 4.62 3.72 2.54 3.46 3.64 3.28 3.51 3.71 3.10 3.73 3.87 3.48 3.77 3.53 3.17 3.11 3.42 3.40 3.20 Mean 4.71 5.01 4.62 4.83 4.82 4.68 3.71 3.21 3.55 3.15 3.52 3.43 3.90 3.67 3.24 3.97 3.81 3.45 3.62 3.29 3.38 3.34 3.50 3.36 232

m/m of<br />

96%<br />

Table 5.32. Calculated equilibrium moisture content (db) for reconstituted dry leaf and green leaf of variety R 570 aged 36 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 />

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<br />

dry green<br />

fibre fines fibre fines<br />

dry green<br />

fibre fines fibre fines<br />

dry green<br />

fibre fines fibre fines<br />

dry<br />

green leaf<br />

leaf leaf<br />

leaf leaf<br />

leaf leaf<br />

leaf<br />

5% 0.9808<br />

28.0 28.1 27.0 28.1<br />

28.06 27.34 0.9812<br />

33.2 32.6 30.0 29.5<br />

33.00 29.88 0.9816<br />

33.2 30.8 27.6 37.4<br />

32.33 30.57 0.9818<br />

64.5 31.0 58.8 41.7<br />

52.20 53.73<br />

2 2 0 4<br />

1 3 4 2<br />

1 2 3 6<br />

6 6 3 7<br />

27.0 27.8 26.9 27.7<br />

27.32 27.18<br />

28.3 31.6 29.6 33.3<br />

29.57 30.73<br />

26.5 25.1 29.0 36.5<br />

26.04 31.30<br />

54.9 26.3 57.8 51.8<br />

44.42 56.03<br />

2 4 4 3<br />

5 5 2 3<br />

9 0 5 8<br />

7 9 3 2<br />

Mean<br />

27.5 27.9 26.9 27.9<br />

27.69 27.26<br />

30.7 32.1 29.8 31.4<br />

31.28 30.31 29.9 27.9 28.3 37.0<br />

29.18 30.94<br />

59.7 28.7 58.3 46.8<br />

48.31 54.88<br />

2 8 7 4<br />

8 4 3 3<br />

6 4 2<br />

7 3 3 0<br />

10% 0.9746<br />

25.5 23.3 24.3 21.9<br />

24.75 23.60 0.9751<br />

27.7 26.7 29.0 25.8<br />

27.39 28.06 0.9760<br />

25.0 27.7 31.5 23.7<br />

26.08 29.20 0.9764<br />

19.2 23.7 27.8 24.7<br />

20.90 26.93<br />

8 2 1 2<br />

4 8 3 0<br />

9 8 4 1<br />

4 4 4 9<br />

24.3 21.8 21.7 23.7<br />

23.41 22.32<br />

25.2 27.5 29.9 26.0<br />

26.09 28.80<br />

22.3 26.3 23.4 25.3<br />

23.83 24.04<br />

21.4 27.4 32.5 25.8<br />

23.66 30.55<br />

4 1 3 0<br />

7 0 7 6<br />

3 9 9 3<br />

2 8 8 0<br />

Mean<br />

24.9 22.5 23.0 22.8<br />

24.08 22.96<br />

26.5 27.1 29.5 25.9<br />

26.74 28.43<br />

23.7 27.0 27.5 24.5<br />

24.96 26.62<br />

20.3 25.6 30.2 25.3<br />

22.28 28.74<br />

6 7 2 1<br />

1 4 0 3<br />

1 9 2 2<br />

3 1 1 0<br />

20% 0.8814<br />

17.1 18.0 17.1 17.2<br />

17.48 17.19 0.8839<br />

16.9 17.4 17.5 17.0<br />

17.11 17.37 0.8868<br />

17.1 17.4 17.6 17.0<br />

17.24 17.48 0.8882<br />

13.9 15.5 16.8 16.3<br />

14.50 16.69<br />

2 9 6 5<br />

1 6 3 1<br />

3 4 9 0<br />

1 2 5 3<br />

16.4 16.8 17.1 16.5<br />

16.55 16.95<br />

15.4 16.7 17.1 16.5<br />

15.90 16.95<br />

16.3 16.7 17.0 16.1<br />

16.50 16.76<br />

14.7 14.0 15.5 17.0<br />

14.47 15.99<br />

0 1 4 1<br />

3 1 1 7<br />

8 0 3 2<br />

4 0 6 1<br />

Mean<br />

16.7 17.4 17.1 16.8<br />

17.01 17.07<br />

16.1 17.0 17.3 16.7<br />

16.51 17.16<br />

16.7 17.0 17.3 16.5<br />

16.87 17.12<br />

14.3 14.7 16.2 16.6<br />

14.49 16.34<br />

6 5 5 8<br />

7 9 2 9<br />

6 7 6 6<br />

3 6 1 7<br />

30% 0.7549<br />

13.2 12.9 12.2 12.2<br />

13.16 12.22 0.7629<br />

13.1 11.9 11.9 11.6<br />

12.72 11.83 0.7684<br />

12.5 12.4 12.4 12.0<br />

12.50 12.35 0.7711<br />

10.9 13.2 12.0 12.8<br />

11.78 12.27<br />

9 4 0 6<br />

8 3 0 5<br />

0 9 9 2<br />

3 3 1 7<br />

14.0 12.1 12.4 11.7<br />

13.32 12.26<br />

12.9 12.2 12.1 11.7<br />

12.67 12.01<br />

12.0 13.8 11.5 11.9<br />

12.70 11.68<br />

11.9 10.9 11.3 11.4<br />

11.62 11.40<br />

1 4 8 5<br />

1 5 2 4<br />

1 7 9 0<br />

9 8 7 7<br />

Mean<br />

13.6 12.5 12.3 12.0<br />

13.24 12.24<br />

13.0 12.0 12.0 11.7<br />

12.69 11.92<br />

12.2 13.1 12.0 11.9<br />

12.60 12.02<br />

11.4 12.1 11.6 12.1<br />

11.70 11.83<br />

5 4 4 1<br />

5 9 1 0<br />

6 8 4 6<br />

6 1 9 7<br />

40% 0.5711 8.92 9.38 8.73 8.94 9.09 8.79 0.5866 8.35 11.6 8.26 8.14 9.55 8.22 0.5948 9.73 9.81 6.54 7.24 9.76 6.75 0.5989 7.43 8.39 9.16 7.26 7.78 8.59<br />

0<br />

8.56 10.6 8.34 8.51 9.33 8.39 8.56 8.87 8.42 8.37 8.67 8.41 8.37 10.6 8.39 8.12 9.22 8.31 4.33 8.83 7.14 9.04 5.99 7.71<br />

5<br />

7<br />

Mean 8.74 10.0 8.54 8.73 9.21 8.59 8.46 10.2 8.34 8.26 9.11 8.31 9.05 10.2 7.47 7.68 9.49 7.53 5.88 8.61 8.15 8.15 6.89 8.15<br />

2<br />

4<br />

4<br />

50% 0.3574 5.97 6.44 6.05 6.52 6.14 6.19 0.3765 8.80 6.74 6.94 8.86 8.04 7.51 0.3879 5.49 5.60 5.43 5.37 5.53 5.41 0.3936 5.45 5.58 5.66 4.98 5.50 5.46<br />

5.77 6.21 5.92 5.97 5.93 5.93 8.21 6.48 4.99 6.21 7.57 5.35 8.59 6.87 6.52 6.07 7.96 6.39 5.07 7.12 5.29 5.93 5.83 5.48<br />

Mean 5.87 6.33 5.99 6.25 6.04 6.06 8.51 6.61 5.97 7.54 7.81 6.43 7.04 6.24 5.98 5.72 6.74 5.90 5.26 6.35 5.48 5.46 5.66 5.47<br />

60% 0.1677 4.83 5.02 4.68 4.86 4.90 4.73 0.1834 3.70 3.87 3.64 2.66 3.76 3.35 0.1937 4.08 4.24 2.74 4.06 4.14 3.13 0.1988 3.71 3.40 3.64 3.26 3.60 3.53<br />

4.59 4.99 4.55 4.80 4.74 4.62 3.72 2.54 3.46 3.64 3.28 3.51 3.71 3.10 3.73 3.87 3.48 3.77 3.53 3.17 3.11 3.42 3.40 3.20<br />

Mean 4.71 5.01 4.62 4.83 4.82 4.68 3.71 3.21 3.55 3.15 3.52 3.43 3.90 3.67 3.24 3.97 3.81 3.45 3.62 3.29 3.38 3.34 3.50 3.36<br />

232

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