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Table 2 Yields of monolignol derivatives (w/w, μg/mg) a of untreated and biopretreated cellulosic samples, obtained from 1N NaOH extraction at room temperature

From: Structural evaluation and bioethanol production by simultaneous saccharification and fermentation with biodegraded triploid poplar

Samplesb

C 0

C 4

C 8

C 12

C 16

p-hydroxybenzoic acid

1.81

1.40

1.30

1.22

1.09

p-hydroxybenzaldehyde

0.03

NDc

0.01

ND

ND

vanillic acid

0.08

0.10

0.11

0.10

0.13

syringic acid

ND

ND

ND

ND

ND

vanillin

0.07

0.07

0.08

0.07

0.08

syringaldehyde

0.11

0.09

0.09

0.10

0.10

Total

2.09

1.66

1.59

1.50

1.41

  1. aThe standard deviations are less than 5%; bCorresponding to the cellulosic residues in Table 1; cNot detectable.
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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