Table 4. Indispensable free amino acid content (mg/100 mL) of digested Korean Hanwoo beef cuts over 4 h digestion

Amino acid	Tenderloin	Sirloin	Brisket and flank	Bottom round
His	1.06 ± 0.85	1.05 ± 0.10	1.05 ± 0.14	1.13 ± 0.07
Thr	4.00 ± 0.80^a	1.60 ± 0.27^b	2.25 ± 0.41^b	3.41 ± 0.61^a
Val	2.23 ± 0.42^a	1.39 ± 0.26^b	1.77 ± 0.23^ab	1.76 ± 0.11^ab
Met	2.11 ± 0.41^a	1.19 ± 0.43^b	1.46 ± 0.31^b	1.34 ± 0.09^b
Ile	1.18 ± 0.19	0.91 ± 0.08	0.91 ± 0.11	1.42 ± 0.83
Leu	8.67 ± 1.86^a	4.47 ± 2.19^b	2.99 ± 0.34^b	2.92 ± 0.13^b
Phe	4.06 ± 0.62^a	3.51 ± 0.33^ab	3.04 ± 0.49^b	2.82 ± 0.16^b
Lys	3.70 ± 0.80^a	2.54 ± 0.50^b	2.94 ± 0.33^b	2.82 ± 0.14^b
Trp	1.44 ± 0.27	2.19 ± 0.06	1.94 ± 0.25	1.84 ± 0.10

Total	28.45 ± 4.60^a	18.85 ± 2.95^b	18.35 ± 2.55^b	19.46 ± 1.10^b