Table 3. Water-holding capacity (WHC), Warner-bratzler shear force (WBSF), cooking loss (CL) and sarcomere length (SL) of 12 cuts from Hanwoo bull beef during 21 d of aging at 2℃

Cut	Aging days	WHC (%)	WBSF (kg)	CL (%)	SL (μm)
Tender loin	0	58.60±0.85^bA	3.67±0.09^B	29.98±0.52^E	3.67±0.08^A
	7	59.98±0.24^abAB	3.36±0.10^BC	30.37±0.52^D	3.67±0.06^A
	14	59.94±0.80^abABC	3.25±0.20^CD	30.28±0.61^E	3.79±0.09^A
	21	61.11±0.50^aA	3.21±0.13^CDE	30.67±0.54^D	3.86±0.06^A
Loin	0	57.01±1.11^AB	5.36±0.75^aAB	32.58±1.90^CDE	2.99±0.03^bCD
	7	61.97±1.53^A	4.23±0.17^abAB	30.10±2.01^D	2.98±0.06^bC
	14	61.94±1.14^A	3.15±0.20^bcCD	31.84±1.07^DE	3.17±0.07^abBC
	21	61.27±1.44^A	2.79±0.15^cDE	30.59±1.61^D	3.37±0.11^aB
Striploin	0	57.80±0.84^bAB	5.15±0.78^aAB	30.69±1.88^DE	3.02±0.09^bCD
	7	62.05±0.92^aA	3.90±0.37^abABC	33.09±1.35^BCD	3.38±0.04^aAB
	14	61.41±0.75^abAB	2.85±0.28^bD	32.34±1.35^CDE	3.38±0.04^aAB
	21	60.37±1.51^abA	2.62±0.25^bE	31.71±1.61^CD	3.51±0.08^aB
Chuck roll	0	54.13±1.14^B	5.18±0.18^aAB	34.88±0.77^ABCD	2.78±0.06^aCDE
	7	55.85±0.75^C	4.20±0.21^bAB	35.37±0.93^BC	2.52±0.05^bDE
	14	56.26±1.04^C	3.52±0.17^cCD	34.22±1.18^BCD	2.71±0.05^aDE
	21	56.47±0.76^BC	3.06±0.17^cCDE	35.57±0.66^B	2.72±0.06^aCD
Chuck tender	0	55.50±0.70^AB	5.27±0.28^aAB	38.08±0.76^A	2.70±0.08^DEF
	7	55.70±0.96^C	4.24±0.26^bAB	39.61±0.61^A	2.57±0.06^DE
	14	57.97±0.65^AB	4.38±0.26^bAB	40.23±0.83^A	2.67±0.12^DE
	21	57.77±0.50^ABC	4.01±0.23^bAB	40.20±0.48^A	2.56±0.09^DE
Oyster blade	0	55.04±0.80^AB	3.73±0.23^aB	32.17±1.46^bCDE	3.41±0.20^AB
	7	57.40±1.05^BC	3.10±0.12^bC	32.35±1.00^bCD	3.38±0.18^AB
	14	57.70±0.40^BC	3.22±0.09^bCD	35.37±0.19^abBC	3.26±0.11^BC
	21	56.35±0.45^C	2.85±0.13^bDE	36.29±0.62^aB	3.26±0.09^B
Short plate	0	53.80±0.80^B	4.30±0.15^aB	30.37±1.34^bDE	3.16±0.25^BC
	7	55.26±0.99^C	3.94±0.15^abABC	30.96±0.80^abD	3.07±0.20^BC
	14	57.07±0.89^C	3.88±0.12^abABC	3.17±0.23^abE	3.17±0.23^BC
	21	56.65±1.15^BC	3.75±0.14^bBC	3.37±0.21^aBCD	3.37±0.21^B
Top sirloin	0	57.26±0.86^bAB	5.18±0.26^aAB	34.98±0.07^ABCD	2.28±0.07^cF
	7	59.60±0.46^abAB	4.12±0.27^bAB	34.85±0.57^BC	2.37±0.07^cE
	14	59.17±0.82^abABC	3.97±0.19^bABC	36.49±0.75^B	2.62±0.09^bDE
	21	60.68±0.48^aA	3.26±0.10^cCDE	34.82±0.85^BC	2.84±0.06^aCD
Top round	0	57.82±0.72^AB	6.18±0.44^aA	38.93±0.074^aA	2.48±0.07^EF
	7	58.78±0.53^ABC	4.52±0.27^bA	36.48±0.48^bAB	2.31±0.04^E
	14	59.87±0.73^ABC	3.85±0.21^bcABC	34.40±0.64^bBCD	2.42±0.10^EF
	21	60.11±0.57^AB	3.40±0.11^cBCDE	34.65±1.17^bBC	2.52±0.08^DE
Eye of round	0	56.16±1.47^AB	5.17±0.31^aAB	36.13±1.29^ABC	2.48±0.06^bED
	7	58.67±0.84^AB	4.38±0.25^bAB	35.95±1.07^ABC	2.50±0.05^abDE
	14	57.54±1.18^BC	3.39±0.22^cCD	35.63±0.91^BC	3.03±0.08^aCD
	21	58.36±0.79^ABC	3.14±0.18^cCDE	35.86±1.29^B	2.97±0.10^aC
Bottom round	0	53.91±1.15^bB	6.14±0.30^aA	37.26±0.58^AB	2.33±0.02^EF
	7	58.26±0.64^aBC	4.74±0.44^bA	37.01±0.46^AB	2.21±0.07^E
	14	57.51±1.47^aABC	4.03±0.36^bABC	37.06±0.73^B	2.22±0.08^F
	21	59.93±0.64^aABC	3.55±0.34^bBCD	35.97±0.12^B	2.35±0.12^E
Brisket	0	56.25±0.79^AB	5.01±0.16^aAB	37.04±0.06^AB	2.42±0.06^EF
	7	58.12±0.71^BC	4.61±0.13^bA	36.67±0.71^AB	2.80±0.09^CD
	14	58.15±0.83^ABC	4.47±0.14^bA	36.73±0.53^B	2.76±0.05^DE
	21	58.63±0.54^ABC	4.38±0.09^bA	37.58±0.10^AB	2.85±0.10^CD