Table 1 The effect of aging treatment and aging time on retail cutting yields (%) of typical steaks

Ribeye steaks

Ribeye

70.5^b

66.7^c

63.5^d

61.7^d

84.7^a

83.7^a

82.9^a

83.3^a

[32]

Beef for stew

0.3

2.2

0.7

1.6

1.8

2.4

2.2

3.6

Lean trimmings

1.3

0.4

0.2

0.2

2

2.3

1.9

1.2

Fat trim

2.5

1.7

-

-

5.1

5.7

5.5

5.6

Waste trimmings

16.8^b

17.3^b

24.2^a

22.8^a

4.0^cd

1.0^e

5.4^c

2.5^de

Cooler shrink

6.0^d

7.6^c

9.7^b

11.7^a

-

-

-

-

Purge

0.8

0.8

0.5

0.6

0.2

0.4

0.5

0.6

Total saleable yield

72.2^b

69.3^c

64.3^d

63.5^d

88.4^a

88.4^a

86.9^a

88.1^a

Strip steaks

Strip loin

48.4

47

45

43.4

54.6

53.6

52.2

51

[18]

Vein steak

11.7

11.6

8.6

9.1

14

14.7

12.7

14.4

Beef for stew

1.9

1.9

0.8

1.2

3.2

3.7

2

1.8

Lean trimmings

0.1

0.4

1.4

0.9

0.6

0.9

2.8

2.2

Fat trim

16.6^ab

10.1^c

6.3^c

14.6^b

20.3^a

14.7^b

19.1^a

17.7^a

Waste trimmings

3.2^cd

9.1^b

16.0^a

7.6^bc

0.7^d

4.9^cd

4.6b^cd

5.9^bc

Cooler shrink

8.2^c

9.5^b

11.2^a

11.9^a

1.0^d

1.2^d

0.8^d

0.9^d

Purge

0.2

0.1

0.1

0.1

0.2

0.2

0.1

0.1

Total saleable yield

62.1

60.8

55.9

54.7

72.4

72.9

72.9

69.8

Top sirloin steaks

Top sirloins

57.3

54.1

50.4

48.7

75.8

75.6

67.9

70.2

[32]

Beef for stew

0.4^b

-

1.2^b

0.2b

0.7^b

-

8.0^a

-

Lean trimmings

0.1

0.06

-

0.09

1.47

0.8

-

1.26

Fat trim

11.3

10.5

11.8

13.3

15.9

15.9

20.5

18.5

Waste trimmings

17.9^c

21.0^ab

23.6^a

19.0^b

-

-

-

-

Cooler shrink

8.9^d

11.2^c

12.7^b

15.0^a

-

-

-

-

Purge

0.43^e

0.48^e

0.3^e

0.6d^e

1.7^bc

1.43^cd

3.2^a

2.4^ab

Total saleable yield

61.4^d

56.5^e

51.6^f

52.0^f

81.9^a

82.5^a

75.9^c

78.6^c

Porterhouse steaks

Short loins

53.1

45.6

48.3

44.6

61.2

58.8

58.1

57.5

[17]

T-bone steaks

16

17.8

14.2

16.1

15.8

15.7

18.1

16.1

Top loin steaks

5.2

6.4

7.0

7.1

6

4.7

5.8

7.2

Beef for stew

1.2

1.5

1.4

1.1

1.8

3.3

2

2.5

Lean trimmings

1.0

0.8

0.8

0.9

2.8

2.8

2.5

3.9

Fat trim

4.1

5.7

4.8

4.4

4.6

7.1

6.4

4.4

Waste trimmings

3.8

3.5

4.2

4.5

-

-

-

-

Cooler shrink

5.4^b

6.0^b

6.1^b

8.5^a

-

-

-

-

Purge

0.1^d

0.5^cd

0.6^bc

0.3^cd

1.1^a

0.6^bc

1.0^ab

1.1^a

Total saleable yield

76.5^c

72.1^d

71.6^de

69.8^e

87.7^a

85.3^b

86.6^ab

87.1^ab