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Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2011 by Universidad Católica de Valparaíso -- Chile
Vol. 14 No. 2, Issue of April 15, 2011
 

Table 5. Chemical composition of CS with and without alkaline pre-treatment with 40 g L-1 NaOH.



Chemical composition
(weight %)

Without alkaline
pre-treatment

With alkaline
pre-treatment

Totals solids

95.0 ± 0.1

95.0 ± 0.1

Protein

5.0 ± 0.1

5.4 ± 0.1

Ether extract

1.48 ± 0.1

1.40 ± 0.1

Ash

5.5 ± 0.1

5.8 ± 0.1

NDF

77.0 ± 0.1

70.6 ± 0.1

ADF

46.5 ± 0.1

45.8 ± 0.1

Hemicellulose

30.4 ± 0.1

24.2 ± 0.1

Cellulose

38.0 ± 0.1

37.2 ± 0.1

Lignin

7.85 ± 0.03

5.56 ± 0.04

aValues represent mean of three independent experiments ± standard deviation. Significant difference was only found for hemicellulose and lignin contents (P < 0.05)