Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10395295 | Bioresource Technology | 2011 | 4 Pages |
Abstract
The optimum conditions for the production of l-arabinose from debranched arabinan were determined to be pH 6.5, 75 °C, 20 g lâ1 debranched arabinan, 42 U mlâ1 endo-1,5-α-l-arabinanase, and 14 U mlâ1 α-l-arabinofuranosidase from Caldicellulosiruptor saccharolyticus and the conditions for sugar beet arabinan were pH 6.0, 75 °C, 20 g lâ1 sugar beet arabinan, 3 U mlâ1 endo-1,5-α-l-arabinanase, and 24 U mlâ1 α-l-arabinofuranosidase. Under the optimum conditions, 16 g lâ1l-arabinose was obtained from 20 g lâ1 debranched arabinan or sugar beet arabinan after 120 min, with a hydrolysis yield of 80% and a productivity of 8 g lâ1 hâ1. This is the first reported trial for the production of l-arabinose from the hemicellulose arabinan by the combined use of endo- and exo-arabinanases.
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Physical Sciences and Engineering
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Authors
Yu-Ri Lim, Soo-Jin Yeom, Young-Su Kim, Deok-Kun Oh,