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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Bibliographic Details
Published in:Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2006-02, Vol.70 (2), p.551-553
Main Authors: Wang, H.L.(National Kaohsiung Univ. (Taiwan)), Yeh, K.W, Chen, P.R, Chang, C.H, Chen, J.M, Khoo, K.H
Format: Article
Language:English
Subjects:
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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Description
Summary: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