CHEMICAL EXAMINATION OF A PHYTOSTEROLIN FROM THE SEEDS OFIPOMOEA FISTULOSA

1 September 1971

journal article
Published by Georg Thieme Verlag KG in Planta Medica

Vol. 20 (04) , 172-177
https://doi.org/10.1055/s-0028-1099686

Abstract

The seeds of Ipomoea fistulosa (I. carnea) have been found to contain a phytosterolin, C₃₅H₆₀O₆, m. p. 284–286°. Acid hydrolysis of the compound yielded glucose and β–sitosterol, the identity of which was confirmed by mixed melting point determination and superimposition of infra–red spectra over an authentic sample. Methylation, periodate oxidation, enzymic hydrolysis and the positive optical rotations of the compound and its methyl and acetyl derivatives have shown the phytosterolin to be O–α–D–glucopyranoside of β–sitosterol.

Keywords

SEEDS
PHYTOSTEROLIN
FISTULOSA
METHYLATION
ACETYL
MELTING
INFRA
ROTATIONS
AUTHENTIC

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