Table 2. Relative crystallinity of starches partially digested by pancreatic and intestinal extracts.
| Starch | Major diffraction peaks (degrees2θ)1 | Minor peaks | Total Crystallinity | ||||||
| 5 | 15 | 17/18 | 20 | 22 | 23 | 24 | |||
| Native Starch | |||||||||
| Waxy maize | – | 3.4 | 11.8 | 0.3 | – | 14.9 | – | 2.4 | 32.8 |
| Normal maize | – | 2.7 | 8.0 | 0.8 | – | 10.5 | – | 1.8 | 23.8 |
| High-amylose maize | 0.5 | 1.0 | 4.3 | 2.5 | 1.1 | – | 1.2 | 1.3 | 11.9 |
| Intestinal Extract Digestion | |||||||||
| Waxy maize | – | 3.7 | 12.7 | 0.3 | – | 15.2 | – | 2.6 | 34.5 |
| Normal maize | – | 2.7 | 8.1 | 1.2 | – | 10.5 | – | 1.8 | 24.3 |
| High-amylose maize | 0.4 | 1.3 | 6 | 2.5 | 1.8 | – | 1.6 | 1.8 | 15.4 |
1
Pancreatic extract digested starches and native starch had similar relatively crystallinity and area contributed by major diffraction peaks.