ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Hemicelluloses from twigs of the white willow (Salix alba). III. Wood xylans

P. Kováč, F. Rendoš, G. N. Pershina, and E. Pavlovová

Institute o/ Chemistry, Slovak Academy of Sciences, Bratislava

 

Abstract: Purification of three hemicellulose fractions isolated by fraction extraction of holocellulose obtained from wood of white willow twigs yielded electrophoretically homogeneous fractions of (4-O-methylglucurono)-xylans, possessing common structural features, but differing in molecular and equivalent weights. The molecular weights of the single fractions of (4-O-methylglucurono)- xylans were 8300, 12 600 and 12 500, while the ratio between 4-O-methyl-D-glucuronic acid and D-xylose was found to be 1 6, 1 8 and 1 10, respectively.

Full paper in Portable Document Format: 223a198.pdf

 

Chemical Papers 22 (3) 198–205 (1968)

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