Table 3 Trypsin and chymotrypsin inhibitor activity of soybean Plant Introduction lines used in this studya

From: Elemental sulfur concentration can be used as a rapid, reliable, and cost-effective predictor of sulfur amino acid content of soybean seeds

PI number

Trypsin inhibitor activity TIU/mg seed powder

Chymotrypsin inhibitor Activity CIU/mg seed powder

Williams 82

65.60 ± 1.94

22.55 ± 0.54

PI603162

87.33 ± 4.54

23.68 ± 0.76

PI603910B

61.89 ± 6.98

21.75 ± 0.65

PI549045A

111.28 ± 2.41

30.73 ± 0.23

PI437377

110.7 ± 0.93

35.15 ± 1.43

PI468919

96.22 ± 1.34

28.43 ± 0.63

PI082278

76.72 ± 1.90

28.75 ± 0.61

PI339734

76.72 ± 1.42

28.37 ± 0.59

PI424078

80.89 ± 1.39

29.92 ± 1.65

PI096322

32.28 ± 1.78

20.65 ± 0.71

PI229327

24.39 ± 1.11

12.98 ± 0.34

PI507411

35.06 ± 0.25

19.34 ± 0.08

PI603599A

45.00 ± 2.17

20.31 ± 0.75

  1. aTrypsin and chymotrypsin inhibitor activity were measured under standard conditions with N-benzoyl-l-arginine ethyl ester and N-benzoyl-l-tyrosine ester as substrates, respectively. TIU trypsin units inhibited, CIU chymotrypsin units inhibited.
Back to article page