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Table 2 Amino acid profiles of okra seed samples

From: Characterization of okra seed flours, protein concentrate, protein isolate and enzymatic hydrolysates

 

WF

DF

PC

PI

PHT

PHP

PHC

Aspartic/asparagine

11.80

12.28

10.67

9.67

8.37

8.07

8.04

Threonine

3.44

3.35

1.67

7.80

6.94

6.70

7.80

Serine

4.64

4.71

6.62

6.59

6.14

5.92

6.82

Glutamic/glutamine

17.38

16.46

12.86

9.64

7.43

7.17

8.03

Proline

6.35

6.02

7.80

7.44

6.08

5.87

6.22

Glycine

5.87

6.94

8.28

7.81

7.23

6.98

7.82

Alanine

4.52

5.00

7.52

7.34

6.64

6.41

7.45

Cysteine

0.10

0.34

0.74

0.72

0.58

0.56

0.61

Valine

5.73

5.58

7.19

7.39

6.77

6.54

6.24

Methionine

0.85

0.92

1.40

3.08

7.07

6.83

6.62

Isoleucine

3.53

3.59

2.15

1.83

3.76

3.63

4.21

Leucine

7.32

7.91

6.33

5.42

6.41

6.19

5.84

Tyrosinea

2.54

2.52

1.69

1.68

3.70

4.73

5.41

Phenylalaninea

4.94

4.66

6.64

6.70

6.17

7.11

8.43

Histidine

4.09

3.83

2.10

2.51

4.40

4.25

2.12

Lysine

5.45

5.19

7.03

7.08

6.00

5.80

3.21

Arginine

11.34

10.58

9.20

7.19

6.23

6.02

3.75

Tryptophan

0.10

0.10

0.11

0.10

0.08

1.24

1.39

EAA

37.99

37.67

36.31

43.59

51.32

53.01

51.27

AAA

7.58

7.28

8.44

8.48

9.96

13.08

15.23

HAA

28.69

29.37

31.62

30.46

33.55

35.85

38.97

PCAA

20.88

19.61

18.34

16.79

16.63

16.06

9.08

NCAA

29.18

28.74

23.53

19.31

15.80

15.25

16.06

SCAA

0.95

1.26

2.15

3.80

7.65

7.38

7.23

BCAA

16.59

17.09

15.67

14.63

16.95

16.36

16.29

  1. Combined total of hydrophobic amino acids (HAA) = alanine, valine, isoleucine, leucine, tyrosine, phenylalanine, tryptophan, proline, methionine and cysteine; aromatic amino acids (AAA) = phenylalanine, tryptophan and tyrosine; positively charged amino acids (PCAA) = arginine, histidine, lysine; negatively charged amino acids (NCAA) = aspartic + asparagine, glutamic + glutamine, threonine, serine; essential amino acids (EAA) = histidine, isoleucine, leucine, lysine, methionine, threonine, tryptophan, valine and aPhenylalanine and Tyrosine; Sulphur containing amino acids (SCAA) = methionine and cysteine; total branched chain amino acids (BCAA) = leucine, isoleucine, valine