Table 2. Indispensable general amino acid content (mg/100 g) of Korean Hanwoo beef cuts before digestion

Amino acid	Tenderloin	Sirloin	Brisket and flank	Bottom round
His	1.09 ± 0.41	0.95 ± 0.38	0.92 ± 0.02	1.33 ± 0.08
Thr	1.66 ± 0.01^c	1.72 ± 0.02^b	1.27 ± 0.00^d	1.85 ± 0.01^a
Val	1.88 ± 0.00^b	1.79 ± 0.00^c	1.47 ± 0.01^d	2.14 ± 0.01^a
Met	1.28 ± 0.00^b	1.13 ± 0.01^c	0.97 ± 0.00^d	1.45 ± 0.00^a
Ile	1.61 ± 0.01^b	1.33 ± 0.00^c	1.19 ± 0.01^d	1.77 ± 0.01^a
Leu	3.43 ± 0.01^b	2.88 ± 0.01^c	2.52 ± 0.01^d	3.89 ± 0.00^a
Phe	1.69 ± 0.00^b	1.30 ± 0.01^c	1.21 ± 0.00^d	1.94 ± 0.00^a
Lys	3.87 ± 0.01^b	2.29 ± 0.02^d	2.56 ± 0.01^c	4.22 ± 0.01^a
Trp	0.12 ± 0.01^a	0.03 ± 0.00^c	0.05 ± 0.02^b	0.10 ± 0.00^a

Total	16.62 ± 0.44^b	13.41 ± 0.42^c	12.15 ± 0.03^d	18.66 ± 0.11^a