Table 1 Diffraction peak position, crystallite size and relative peak areas for zein, grain kafirin and dried distillers grain with solubles (DGGS) kafirin as measured by cx-ray diffraction (XRD).
Sample | Phase | Peak position (° 2θ) | Crystallite size, Lvol (nm) | Area (net) | Area (rel.) |
|---|---|---|---|---|---|
Zein | Alpha | 8.87 | 1.1 | 128 | 0.123 |
Beta | 19.6 | 1.1 | 565 | 1 | |
24.2 | 324 | ||||
30.0 | 152 | ||||
Grain kafirin | Alpha | 8.87 | 1.0 | 132 | 0.127 |
Beta | 19.7 | 1.1 | 565 | 1 | |
24.4 | 332 | ||||
30.4 | 141 | ||||
DDGS kafirin | Alpha | 8.9 | 1.0 | 109 | 0.118 |
Beta | 19.6 | 1.1 | 517 | 1 | |
23.8 | 292 | ||||
27.7 | 110 | ||||
Sharp | 19.0 | 5.6 | 19.6 | ||
31.6 | 5.0 | 19.7 |
