the handbook of food engineering practice crc press chapter 10 ...

Figure 10. Thiamin retention of a model system as function of storage
temperature (first-order reaction).
Table 7 Simulated thiamin retention (1) for a model system as a function of storage
temperature (first - order reaction) for Figure 10
Time
Thiamin concentration (mg/g solid) for temperatures
(days) 25 °C 35 °C 45 °C 55 °C
1 96.70 93.40
2 85.47
5 98.22 0.104 89.44 69.92
8 54.60
10 80.98 47.50
12 42.29
15 72.36 33.43
20 98.16 0.112 66.72
25 59.91 14.80
30 94.80 0.114 51.93
40 0.123 44.11
50 0.127
60 92.56 0.133 28.62
90 88.61 0.148
105 0.155
120 85.84
135 0.160
150 81.27
180 0.175
197 76.29
257 70.55
300 67.15
(1) Adopted from Saguy and Cohen (1990).
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