Table 4 Physical properties of spelt and common wheat flour.
Parameter | Oberkulmer Rotkorn | Schwabenkorn | Franckenkorn | Zollernspelz | Common wheat |
|---|---|---|---|---|---|
Average size of the particles, df (µm) | 96.5 ± 1.0c* | 116.5 ± 0.4d | 87.5 ± 0.8a | 90.5 ± 1.0b | 115.5 ± 0.8d |
d(0.1) (µm) | 17.9 ± 0.6c | 42.8 ± 0.5e | 13.7 ± 0.4a | 16.1 ± 0.4b | 40.1 ± 1.4d |
d(0.5) (µm) | 97.9 ± 1.6c | 123.5 ± 0.9d | 85.0 ± 1.3a | 89.6 ± 1.7b | 126.3 ± 1.5d |
d(0.9) (µm) | 212.1 ± 2.6c | 247.3 ± 1.6c | 204.1 ± 1.3a | 209.1 ± 3.1ab | 266.6 ± 5.1d |
SPAN (-) | 1.98 ± 0.01c | 1.66 ± 0.02a | 2.24 ± 0.03e | 2.15 ± 0.02d | 1.79 ± 0.02b |
Damaged Starch (%) | 3.84 ± 0.06ab | 6.14 ± 0.14d | 3.69 ± 0.08a | 4.11 ± 0.10b | 5.00 ± 0.14c |
DSC of flour | |||||
To (°C) | 59.4 ± 0.3c | 56.3 ± 0.2a | 57.9 ± 0.8b | 58.4 ± 0.5b | 61.0 ± 0.1d |
Tp (°C) | 64.1 ± 0.2d | 62.3 ± 0.1a | 63.8 ± 0.1c | 63.2 ± 0.2b | 65.1 ± 0.2e |
Te (°C) | 68.8 ± 0.6ab | 68.0 ± 1.2a | 68.4 ± 0.2a | 68.4 ± 0.4a | 69.8 ± 0.3b |
ΔT (°C) | 9.4 ± 0.4ab | 11.7 ± 1.0c | 10.6 ± 0.8bc | 10.0 ± 0.8ab | 8.8 ± 0.3a |
ΔH (J g−1) | 5.3 ± 0.1a | 5.8 ± 0.4ab | 6.3 ± 0.5b | 5.6 ± 0.7ab | 5.4 ± 0.3a |