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Table 3 Amino acid contents (g/16 g N) and ratio between OMIU-RL and lysine in rapeseed meal samples toasted for different timesa

From: Physical and chemical changes of rapeseed meal proteins during toasting and their effects on in vitro digestibility

Toasting time

Indispensable amino acids

Dispensable amino acids

Arg

His

Ile

Leu

Lys

OMIU-RL

Phe

Thr

Val

Ratio

Ala

Asp

Glu

Gly

Ser

Tyr

0 min

5.47

2.93

4.11

7.04

6.31

6.20

4.07

4.67

5.38

0.98

4.63

7.38

17.34

5.33

4.48

3.30

20 min

5.50

2.95

4.17

7.13

6.08

5.66

4.12

4.70

5.43

0.93

4.68

7.39

17.45

5.38

4.56

3.34

40 min

5.42

2.93

4.13

7.06

5.83

5.32

4.06

4.67

5.38

0.91

4.64

7.35

17.30

5.33

4.51

3.26

60 min

5.18

2.85

4.03

6.90

5.46

4.85

3.97

4.55

5.28

0.89

4.53

7.15

16.83

5.19

4.39

3.17

80 min

5.23

2.91

4.08

6.97

5.39

4.61

4.03

4.59

5.34

0.86

4.58

7.21

17.05

5.25

4.45

3.24

100 min

5.25

3.01

4.18

7.15

5.23

4.22

4.12

4.68

5.47

0.81

4.69

7.36

17.40

5.38

4.55

3.27

120 min

5.08

2.94

4.09

6.99

4.85

3.86

4.02

4.61

5.38

0.80

4.60

7.18

17.06

5.27

4.47

3.23

SEM

0.04

0.01

0.02

0.03

0.13

0.21

0.02

0.02

0.02

0.02

0.02

0.03

0.07

0.02

0.02

0.02

P-value

 Linear

<0.001

0.09

0.09

0.15

<0.001

<0.001

0.37

0.15

0.07

<0.001

0.05

0.02

0.03

0.04

0.06

0.35

 Quadratic

0.72

0.24

0.23

0.24

0.74

0.32

0.29

0.17

0.17

0.92

0.14

0.30

0.16

0.16

0.12

0.16

  1. a Arg arginine, His histidine, Ile isoleucine, Leu leucine, Lys lysine, OMIU-RL O-methylisourea reactive lysine, Phe phenylalanine, Thr threonine, Val valine, Ratio ratio OMIU-RL to lysine, Ala alanine, Asp aspartic acid, Glu glutamic acid, Gly glycine, Ser serine, Tyr tyrosine, SEM standard error of the mean