Table 5. Concentration (mg/100 g) of free amino acids in coarsely-and finely-marbled 1+ grade Hanwoo loins

Items (mg/100 g) Marbling type
Fineness Coarseness
Glycine 6.01±0.41 5.19±0.24
Alanine 25.27±0.49 23.27±0.22
Serine 6.01±0.72 4.28±0.50
Proline 2.89±0.29 3.17±0.44
Valine 6.46±0.53 5.43±0.27
Threonine 5.15±0.52 4.48±0.78
Leucine 9.34±1.03 7.81±0.63
Isoleucine 3.98±0.34 3.30±0.56
Asparagine 2.53±0.15 2.32±0.11
Aspartate 0.26±0.05 ND
Lysine 5.49±0.60 4.85±0.37
Glutamine 22.74±1.05 26.42±0.89
Glutamate 10.59±0.12 10.36±0.64
Methionine 3.16±0.47 2.09±0.39
Histidine 4.97±0.56 4.78±0.57
Phenylalanine 5.55±0.64 4.49±0.89
Arginine 7.25±0.90 6.34±0.73
Tyrosine 6.30±0.57 4.71±0.21
Tryptophan 1.71±0.01 1.47±0.02
ND, not detectable.