Open Access
Table 1
Proximate and amino acid composition of rapeseed meal (RM), rapeseed protein concentrate (RPC) and fish meal (FM) and concentration of antinutritional factors detected in RPC.
| Ingredients | RM | RPC | FM |
|
|
|||
| Proximate composition (% of dry matter) | |||
| Crude Protein | 41.6 | 71.2 | 69.0 |
| Crude fat | 1.2 | 0.6 | 7.0 |
| Crude ash | 10.5 | 16.1 | 20.7 |
| Crude fibre | 11.5 | 0.5 | 0.5 |
| Nitrogen-free Extract (NfE) a | 35.2 | 11.6 | 2.8 |
| Gross energy b (MJ/kg) | 18.6 | 19.4 | 19.9 |
| Essential amino acids (g/100 g crude protein) | |||
| Arginine | 6.30 | 6.78 | 5.84 |
| Histidine | 2.75 | 3.86 | 2.00 |
| Isoleucine | 4.16 | 3.79 | 3.62 |
| Leucine | 7.40 | 7.57 | 6.45 |
| Lysine | 6.30 | 7.87 | 6.55 |
| Methionine | 2.04 | 2.36 | 2.36 |
| (+ Cysteine) | 4.31 | 6.52 | 3.17 |
| Phenylalanine | 4.16 | 3.60 | 3.52 |
| Threonine | 4.72 | 4.17 | 3.90 |
| Valine | 5.40 | 5.15 | 4.45 |
| Antinutritional factors | |||
| Glucosinolates ( μ mol/g) | 3.03 | 1.32 | – |
| Phytic acid (g/100 g) | 3.34 | 1.77 | – |
| Σ SAE c (g/kg) | not determined | 0.13 | – |
| thereof SA (g/kg) | 0.04 | ||
| thereof SIN (g/kg) | <0.01 | ||
| thereof SG (g/kg) | <0.01 | ||
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