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Table 3 Phenolic acid composition (μg/mg) of wheat bran before (in AIRs) and after alkaline sequential extraction

From: Characterization of cell wall components of wheat bran following hydrothermal pretreatment and fractionation

 

p -coumaric acid

Ferulic acid

8,5′-DiFA

5,5′-DiFA

8- O -4′-DiFA

Ctrl AIR

2.6 ± 0.5

9.7 ± 0.4

0.9 ± 0.1

0.9 ± 0.2

1.0 ± 0.4

190°C AIR

1.0 ± 0.2

3.6 ± 0.4

0.3 ± 0.1

0.5 ± 0.1

0.7 ± 0.0

200°C AIR

0.8 ± 0.2

2.7 ± 0.3

0.2 ± 0.4

0.2 ± 0.0

0.4 ± 0.0

Ctrl residue

0.4 ± 0.1

0.5 ± 0.1

nd

nd

nd

190°C residue

0.2 ± 0.0

0.5 ± 0.1

nd

nd

nd

200°C residue

0.1 ± 0.0

0.2 ± 0.0

nd

nd

nd

  1. Values are expressed as means of duplicate analysis ± SD.
  2. nd none detected.
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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