Nb. Amino Acid Malignant Tissue Normal Tissue
1 Glutamate 6.20 ± 2.69 1.93 ± 0.71
2 Glycine 5.55 ± 1.59 2.55 ± 0.68
3 Alanine 4.19 ± 0.52 3.20 ± 0.94
4 Aspartate 2.27 ± 1.41 0.55 ± 0.28
5 Serine 1.43 ± 0.48 0.87 ± 0.32
6 Proline 1.43 ± 0.48 0.92 ± 0.46
7 Leucine 1.34 ± 0.29 0.92 ± 0.46
8 Lysine 1.23 ± 0.53 0.85 ± 0.36
9 Threonine 0.90 ± 0.24 0.50 ± 0.29
10 Isoleucine 0.57 ± 0.10 0.36 ± 0.15
11 Phenylalanine 0.50 ± 0.15 0.39 ± 0.22
12 Tyrosine 0.32 ± 0.09 0.21 ± 0.09
Table 1: The amino acids content (μmol/g) in malignant and normal tissues from patients with squamous cell carcinoma of the larynx.