Table 1. Nutritional content of the experimental diets (g/kg diet).
| Nutritional content* | normal chow | LNAA diet | high-protein diet | |||
|---|---|---|---|---|---|---|
| Carbohydrates | 674 | 550 | 551 | |||
| Fat | 41 | 41 | 41 | |||
| Dietary fibre | 50 | 50 | 50 | |||
| Protein | 124 | 248 | 248 | |||
| Amino acids** | ||||||
| LNAA | L-Phenylalanine | 6.0 | 6.1 | (0.1) | 12.2 | (6.2) |
| L-Tyrosine | 4.8 | 20.1 | (15.3) | 12.1 | (7.3) | |
| L-Valine | 7.4 | 25.0 | (17.6) | 15.9 | (8.5) | |
| L-Isoleucine | 5.9 | 22.9 | (17.0) | 12.4 | (6.4) | |
| L-Leucine | 10.9 | 28.0 | (17.1) | 23.1 | (12.2) | |
| L-Methionine | 3.0 | 19.7 | (16.7) | 6.9 | (3.9) | |
| L-Histidine | 3.2 | 19.0 | (15.8) | 6.8 | (3.5) | |
| L-Threonine | 5.3 | 5.7 | (0.3) | 11.3 | (5.9) | |
| non-LNAA | L-Aspartic acid | 9.3 | 9.7 | (0.4) | 19.4 | (10.1) |
| L-Serine | 7.7 | 7.9 | (0.2) | 15.8 | (8.1) | |
| L-Glutamic acid | 28.2 | 29.9 | (1.7) | 59.6 | (31.4) | |
| Glycine | 2.7 | 2.7 | (0.0) | 5.2 | (2.5) | |
| L-Alanine | 3.9 | 4.2 | (0.3) | 8.2 | (4.3) | |
| L-Lysine | 9.1 | 9.9 | (0.8) | 19.5 | (10.4) | |
| L-Arginine | 4.2 | 4.7 | (0.5) | 9.5 | (5.3) | |
Contents are not shown for L-Tryptophan, L-Proline, and L-cyst(e)ine, as these were not measured due to technical limitations. Differences with LNAA contents of normal chow are stated in brackets. LNAA, large neutral amino acid.
*Mineral and vitamin premixes were also included in accordance with the composition of the AIN93M diet [30].
**Dietary contents as measured in samples of prepared food pellets.