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Original Articles

Effect of Material Moisture Content and Temperature on the True Density of Foods

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Pages 109-125 | Received 18 Mar 2005, Accepted 29 Jul 2005, Published online: 06 Feb 2007

Figures & data

Table 1 Mathematical model for calculating true density as a function of moisture and temperature

Table 2 Data used in true density parameter estimation for various foodstuffs

Table 3 Parameter estimates of the model presented in

Figure 1. (a) True density of Apple at 70°C and various moisture contents (Exp. Pts from Krokida et al.[Citation9]; Zogzas et al.[Citation11]). (b) True density of Apple at various temperatures and moisture contents.

Figure 1. (a) True density of Apple at 70°C and various moisture contents (Exp. Pts from Krokida et al.[Citation9]; Zogzas et al.[Citation11]). (b) True density of Apple at various temperatures and moisture contents.

Figure 2. (a) True density of Carrot at 70°C and various moisture contents (Exp. Pts from Krokida & Maroulis,[Citation15]; Zogzas et al.[Citation11]). (b) True density of Carrot at various temperatures and moisture contents.

Figure 2. (a) True density of Carrot at 70°C and various moisture contents (Exp. Pts from Krokida & Maroulis,[Citation15]; Zogzas et al.[Citation11]). (b) True density of Carrot at various temperatures and moisture contents.

Figure 3. (a) True density of Potato at 70°C and various moisture contents (Exp. Pts from Wang & Brennan, [Citation27]; Zogzas et al. [Citation11]). (b) True density of Potato at various temperatures and moisture contents

Figure 3. (a) True density of Potato at 70°C and various moisture contents (Exp. Pts from Wang & Brennan, [Citation27]; Zogzas et al. [Citation11]). (b) True density of Potato at various temperatures and moisture contents

Figure 4. Predicted values of true density for fruits at 20°C.

Figure 4. Predicted values of true density for fruits at 20°C.

Figure 5. Predicted values of true density for vegetables at 20°C.

Figure 5. Predicted values of true density for vegetables at 20°C.

Figure 6. Predicted values of true density vs. temperature for fruits at Xw(db) = 1.

Figure 6. Predicted values of true density vs. temperature for fruits at Xw(db) = 1.

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