Polysaccharides of tropical pasture herbage. VII. Identification of a new pinitol galactoside from seeds of Trifolium subterraneum (subterranean clover) and analysis of several pasture legume seeds for cyclohexitols and their galactosides
- 1 January 1977
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 30 (7) , 1583-1590
- https://doi.org/10.1071/ch9771583
Abstract
A pinitol galactoside isolated from ethanol extracts of seeds of T. subterraneum has been shown to be 1D-2-O-(α-D-galactopyranosyl)-4-O- methy-chiro-inosito (1). The structure is based on successive periodate oxidation, borohydride reduction, hydrolysis and acetylation (Smith degradation), yielding the tetraacetate of 2-O-methyl-L-xylitol. The seeds of 39 pasture legumes from 13 different genera and 26 species have been analysed by gas chromatography for (1), myo-inositol, D-(+)- pinitol and galactinol.Keywords
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