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.