Table 1
Composition of rapeseed seeds, hulls, and kernels and meals.
| Oil | Proteins | Crude fibre | Ashes | NDF | ADF | ADL | Dry matter | |
| (% DM) | (% DM) | (%DM) | (%DM) | (%DM) | (%DM) | (%DM) | content (%w/w) | |
| Seeds | 47.7 | 21.8 | 8.1 | 5.1 | 14.9 | 11.2 | 5.9 | 92.4 |
| (corrected values) | (20.3) | |||||||
| Technical kernels | 53.3 | 24.5 | 2.7 | 4.7 | 5.27 | 3.3 | 0.3 | 93.4 |
| (corrected values) | (56.5) | (21.5) | ||||||
| Technical hulls | 12.0 | 15.2 | 32.3 | 6.6 | 50.7 | 41.8 | 23.1 | 89.3 |
| Pure kernels | 53.7 | 24.6 | 2.4 | 4.7 | 4.8 | 2.9 | 0.1 | |
| (calculated and corrected) | (57.0) | (21.6) | ||||||
| Pure hulls (calculated) | 9.1 | 14.8 | 34.2 | 6.7 | 53.7 | 44.3 | 24.6 | |
| Theoretical seeds | 48.0 | 20.3 | 8.3 | 5.1 | 13.9 | 10.6 | 4.7 | |
| Squared differences between reals seeds | 5.2 | 0.9 | 0.1 | 0.1 | 0.9 | 0.3 | 1.6 | |
| and theoretical seeds (after correction) | (0.1) | (0.0) | ||||||
| Hull share of the seeds component | 3.6% | 13.7% | 76.8% | 24.9% | 72.1% | 78.0% | 99.0% | |
| (based on theoretical seeds) | ||||||||
| Theoretical meal from seeds | 2.7 | 40.6 | 15.1 | 8.7 | 27.7 | 20.8 | 11.0 | |
| Theoretical meal from kernels | 2.0 | 51.4 | 5.7 | 9.9 | 11.1 | 6.9 | 0.6 | 88.7 |
| Theoretical Meal from kernels corrected | 2.0 | 48.4 | 6.1 | 10.6 | 11.9 | 7.4 | 0.7 | 89.0 |
Source: (Dauguet, et al., 2013). Correction of kernel oil content corresponds to the adjustment necessary to harmonize with other composition values. Correction of protein content corresponds to an adjustment to match the average protein content of rapeseed meals.
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