New Egonol Glycoside Having D-Xylose from Immature Seeds of Styrax obassia Sieb. et Zucc.

Masahide TAKANASHI; Yasuomi TAKIZAWA

doi:10.5650/jos.51.423

Journal of Oleo Science

Online ISSN : 1347-3352
Print ISSN : 1345-8957
ISSN-L : 1345-8957

NOTES

New Egonol Glycoside Having D-Xylose from Immature Seeds of Styrax obassia Sieb. et Zucc.

Masahide TAKANASHI, Yasuomi TAKIZAWA

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Keywords: Styrax obassia, immature seed, egonol glycoside, β-primeveroside, structural determination

JOURNAL FREE ACCESS

2002 Volume 51 Issue 6 Pages 423-426

DOI https://doi.org/10.5650/jos.51.423

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Abstract

A new compound, egonol β-primeveroside (EGX) was isolated from immature seeds of Styrax obassia Sieb. et Zucc., along with three known egonol glycosides and its structure was determined as 3''-O-[6-O-(β-D-xylopyranosyl)-β-D-glucopyranosyl]egonol based on spectroscopic and chemical findings. The major glycoside EGX changed to egonol β-gentiobioside (EG2) in the maturing season of seeds.

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