Table 3.
Serum amino acids concentration according to protein requirements in patients with CD.
| UPI N = 47 | MPI N = 56 | |
|---|---|---|
| EAA, μM/L | ||
| Valine | 224 (91) | 259 (76) |
| Leucine | 131 (48) | 140 (55) |
| Isoleucine | 72 (26) | 77 (29) |
| Threonine | 134 (61)* | 156 (54) |
| Lysine | 170 (41)** | 190 (68) |
| Methionine | 26 (8)* | 29 (10) |
| Histidine | 88 (23) | 89 (20) |
| Tryptophan | 6 (2.1) | 7 (4) |
| Phenylalanine | 61 (15)* | 66 (20) |
| BCAA | 424 (157) | 484 (144) |
| Total EAAs | 873 (231) | 948 (246) |
| NEAA, μM/L | ||
| Glutamic acid | 74 (42) | 70.5 (47) |
| Asparagine | 59 (15) | 60 (18) |
| Arginine | 96 (43)* | 108 (38) |
| Aspartic acid | 23 (14) | 24.5 (17) |
| Glutamine | 684 (172) | 662 (130) |
| Serine | 145 (42) | 149 (40) |
| Glycine | 280 (151) | 291 (73) |
| Tyrosine | 61 (20) | 62.5 (20) |
| Alanine | 399 (104) | 367 (134) |
| Cysteine | 32 (13) | 29 (10) |
| Total NEAAs | 1892 (507) | 1846 (288) |
| Other metabolites, μM/L | ||
| Ornithine | 92 (44) | 93.5 (42) |
| Citrulline | 34 (11) | 33 (14) |
| Taurine | 149 (71) | 154.5 (72) |
BCAA, branched-chain amino acid; EAAs, essential amino acids; IQR, interquartile range; MPI, Met protein intake; NEAAs, non-essential amino acids; UPI, Unmet protein intake. **p < 0.01; *p < 0.05.