Isolation and characterization of a pure mannan from Oncidium (cv. Gower Ramsey) current pseudobulb during initial inflorescence development

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...

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Veröffentlicht in:	Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2006-02, Vol.70 (2), p.551-553
Hauptverfasser:	Wang, H.L.(National Kaohsiung Univ. (Taiwan)), Yeh, K.W, Chen, P.R, Chang, C.H, Chen, J.M, Khoo, K.H
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Chromatography, Thin Layer current pseudobulbs ETAPAS DE DESARROLLO DE LA PLANTA EXTRACTOS VEGETALES EXTRAIT D'ORIGINE VEGETALE Flowers - growth & development Fundamental and applied biological sciences. Psychology IDENTIFICACION IDENTIFICATION MANANOS mannan MANNANE MANNANS Mannans - chemistry Mannans - isolation & purification Mannans - metabolism ONCIDIUM Orchidaceae - chemistry Orchidaceae - growth & development Orchidaceae - metabolism PLANT DEVELOPMENTAL STAGES PLANT EXTRACTS Plant Roots - chemistry Plant Roots - growth & development Plant Roots - metabolism PSEUDOBULBE PSEUDOBULBS SEUDOBULBO Solubility STADE DE DEVELOPPEMENT VEGETAL Time Factors Water
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Zusammenfassung:	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 beta-1,4 linked mannan.
ISSN:	0916-8451 1347-6947
DOI:	10.1271/bbb.70.551