Isolation and Characterization of a Pure Mannan from Oncidium (cv. Gower Ramsey) Current Pseudobulb during Initial Inflorescence Development
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A water-soluble and neutral polysaccharide was extracted from the current pseudobulbs of <I>Oncidium</I> "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.
- Agricultural and Biological Chemistry
Agricultural and Biological Chemistry 70(2), 551-553, 2006-02-23
Japan Society for Bioscience, Biotechnology, and Agrochemistry