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Original Articles

Isolation and Characterization of a Pure Mannan from Oncidium (cv. Gower Ramsey) Current Pseudobulb during Initial Inflorescence Development

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Pages 551-553 | Received 27 Sep 2005, Accepted 29 Nov 2005, Published online: 22 May 2014
 

Abstract

A water-soluble and neutral polysaccharide was extracted from the current pseudobulbs of Oncidium “Gower Ramsey” during the early inflorescence stage (flower stalk less than 4 cm) by hot water, precipitated with ethanol, and purified with an anion exchanger. From the data of monosaccharide composition and linkage and anomeric configuration analyses, the polysaccharide was identified as a linear β-1→4 linked mannan.

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