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Table 3 Absorption of amino acids in VHG worts fermentation (mg/L)a

From: Wheat gluten hydrolysates promotes fermentation performance of brewer’s yeast in very high gravity worts

Amino acid

Control

WGH-A

WGH-B

WGH-C

WGH-D

Asp

72.0 ± 1.8

72.3 ± 2.3

61.9 ± 2.4

72.8 ± 1.6

72.9 ± 1.9

Thr

60.4 ± 2.3

92.0 ± 1.2

123.2 ± 2.6

65.9 ± 1.9

61.8 ± 1.7

Ser

69.9 ± 1.9

80.6 ± 1.4

89.1 ± 1.5

69.4 ± 1.9

71.1 ± 2.2

Glu

61.9 ± 2.6

57.3 ± 1.1

42.9 ± 1.2

65.5 ± 1.3

63.3 ± 1.6

Gly

18.3 ± 0.9

16.0 ± 0.6

16.6 ± 1.1

18.3 ± 0.6

21.4 ± 0.9

Ala

30.9 ± 1.4

47.4 ± 1.9

37.3 ± 1.2

42.7 ± 0.8

57.4 ± 1.0

Cys

1.0 ± 0.2

1.5 ± 0.2

1.70 ± 0.2

0.7 ± 0.1

0.8 ± 0.1

Val

65.0 ± 2.2

46.1 ± 1.4

33.9 ± 1.5

82.4 ± 2.3

100.3 ± 2.6

Met

33.8 ± 1.5

43.8 ± 1.2

45.9 ± 1.3

33.8 ± 1.2

33.9 ± 0.9

Ile

59.7 ± 2.5

69.1 ± 1.5

62.0 ± 1.7

68.9 ± 1.5

71.4 ± 2.1

Leu

148.7 ± 2.4

153.7 ± 2.6

157.0 ± 2.3

155.1 ± 2.7

158.6 ± 2.8

Tyr

51.6 ± 1.0

58.0 ± 1.0

62.3 ± 1.4

65.3 ± 1.9

83.9 ± 2.1

Phe

102.7 ± 2.6

90.1 ± 1.3

79.8 ± 1.9

176.4 ± 2.5

127.9 ± 2.8

Lys

78.6 ± 1.9

89.6 ± 1.9

102.1 ± 2.4

77.9 ± 2.1

79.5 ± 1.9

NH4+

40.7 ± 1.5

40.3 ± 2.6

34.9 ± 1.7

46.3 ± 1.5

47.2 ± 1.8

His

28.9 ± 1.7

25.1 ± 1.3

20.7 ± 0.6

27.0 ± 0.9

32.7 ± 1.4

Trp

5.0 ± 0.5

12.2 ± 1.4

6.40 ± 0.3

42.6 ± 1.7

23.9 ± 1.2

Arg

82.6 ± 2.6

110.2 ± 1.3

94.1 ± 2.7

95.5 ± 2.3

95.7 ± 1.8

Pro

4.3 ± 0.6

5.1 ± 0.8

4.20 ± 0.5

2.80 ± 0.4

8.60 ± 0.8

Total

1016.2

1110.4

1076.0

1209.4

1212.3

  1. aWGH-A, supernatant of wheat gluten hydrolysate; WGH-B, WGH-C and WGH-D, 0, 20 and 40% ethanol elution fractions of WGH-A on XAD-16 resin, respectively