Abstract
THE galactose-contarining oligosaccharides found in Phaseolus vulgaris appear to be those related to raffinose by virtue of having one or more α-D-galactopyranosyl residues joined by an α-1,6-link to the glucose moiety of sucrose; that is, members of the raffinose family of oligosaccharides (sucrose series) as designated by French1 (namely, verbascose, stachyose, raffinose and including sucrose2,3). These oligosaccharides have been widely reported in the plant kingdom (see the surveys of Duperon2, French1, and others4,5), occurring mainly in roots, seeds, stems and underground tubers in amounts usually equal to or greater than that of sucrose. This distribution suggests that with sucrose they form the major reserve of soluble carbohydrate during times of dormancy or vernalization.
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GOULD, M., GREENSHIELDS, R. Distribution and Changes in the Galactose-containing Oligosaccharides in Ripening and Germinating Bean Seeds. Nature 202, 108–109 (1964). https://doi.org/10.1038/202108a0
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DOI: https://doi.org/10.1038/202108a0
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