Table 3
Total amino acid composition (g/100 g protein, %) of yellowfin tuna roe (YTR) and roe protein concentrates (RPCs) prepared by cook-dried process

Amino acid

YTR

FDC

BDC

SDC

Egg white

Protein content (%)

82.4

81.6

82.6

83.6

83.9

Asp

9.1b

8.7c

9.0b

9.2b

11.8a

Thr

5.2a

5.0c

5.1b

5.2a

4.7d

Ser

4.9e

5.6b

5.3d

5.4c

5.7a

Glu

12.3e

13.1d

13.2b

13.2c

14.9a

Pro

6.5a

6.1ab

5.8b

5.8b

3.7c

Gly

5.6a

4.9b

5.1b

5.1b

4.0c

Ala

5.6b

6.6a

6.4a

6.4a

6.6a

Cys

0.8a

0.7a

0.7b

0.8a

0.7a

Val ∮†

5.9c

6.3b

6.5b

6.4b

8.2a

Met ∮†

4.0a

2.9b

2.9c

2.8b

2.0c

Ile ∮†

5.9b

5.4c

5.5c

5.4c

6.2a

Leu ∮†

8.8b

8.6c

8.6c

8.5c

9.2a

Tyr

2.5c

3.4a

3.1b

3.0b

0.2d

Phe ∮†

4.3e

4.4d

4.6b

4.6c

6.4a

His

3.4a

3.4a

3.2b

3.2b

2.7c

Lys

8.5a

8.5a

8.5a

8.5a

8.2b

Arg

6.6a

6.6a

6.6a

6.5a

4.8b

TAA

99.9

100.2

100.1

100.0

100.0

EAA

52.6

51.1

51.5

51.1

52.4

EAA/NEAA

1.11

1.04

1.06

1.00

1.10

Hydrophobic amino acid

46.6

45.2

45.4

45.0

46.3