Table 4 Composition of amino acids (residues per protein molecule) in caseins and whey proteins of porcine and bovine milk

Ala

7

8

10

15

3

13

9

8

5

15

5

19

Arg

10

3

6

9

2

5

6

6

4

5

1

3

Asp

6

5

5

2

15

14

7

4

4

3

13

10

Asn

8

12

5

10

6

4

8

14

5

8

8

5

Cys

0

2

0

1

8

4

0

2

0

2

8

7

Glu

21

28

18

12

5

14

26

24

19

13

7

16

Gln

22

18

23

10

6

8

14

16

20

14

7

10

Gly

10

2

5

2

8

3

9

2

5

2

7

5

His

11

6

5

3

3

3

5

3

5

3

4

2

Ile

6

16

9

12

9

6

11

11

10

13

9

10

Leu

16

8

26

4

11

24

17

13

22

8

17

27

Lys

11

25

13

8

11

11

14

24

11

9

12

16

Met

3

5

5

2

2

4

5

4

6

2

3

5

Phe

8

7

8

7

4

3

8

6

9

4

6

4

Pro

17

11

37

23

7

8

17

10

35

20

2

8

Ser

11

23

13

10

11

10

16

17

16

13

9

7

Thr

6

14

8

12

7

10

5

15

9

14

8

9

Trp

2

3

1

1

3

1

2

2

1

1

4

2

Tyr

10

12

5

9

4

2

10

12

4

9

4

4

Val

6

13

18

16

2

13

11

14

19

11

8

9

Total

191

220

218

168

127

160

200

207

209

169

142

178

P

8

17

6

1

x

x

8–9

12

5

1

x

x