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Table 5 Hydrogen-deuterium exchange of untreated and hydrothermally (HT) treated Robigus leaves and stems

From: Structure and enzymatic accessibility of leaf and stem from wheat straw before and after hydrothermal pretreatment

Sample

Area ratio (AR)

Intensity ratio (IR)

 

20 h

240 h

20 h

240 h

Untreated leaf

0.59

0.92

1.26

+∞

Untreated stem

0.65

0.90

1.13

0.98

HT-treated leaf

0.58

0.88

1.11

1.06

HT-treated stem

0.62

0.91

0.89

1.07

  1. Data presented as the average of four replicates. AR is the ratio of peak area at OD-stretching (2,800 to 2,159 cm−1) to the total hydroxyl-stretching (2,800 to 2,159 cm−1 and 3,700 to 3,000 cm−1). IR is the ratio of peak intensity at 2,478 cm−1 to 2,362 cm−1.