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Fitoterapia. 2006 Apr;77(3):203-7. Epub 2006 Mar 6.

A new acylated quercetin glycoside and other secondary metabolites from Helleborus foetidus.

Author information

1
Dipartimento di Chimica Bioorganica e Biofarmacia, Università di Pisa, Via Bonanno 33, 56126, Pisa, Italy. Jose.Prieto@pharmacy.ac.uk

Abstract

A new acylated flavonol glycoside, quercetin 3-O-(2-trans-caffeoyl)-alpha-L-arabinopyranosyl-(1-->2)-beta-D-glucopyranoside (1), together with the known 25R,26-[(beta-D-glucopyranosyl)oxy]-22alpha-hydroxy-5beta-furostan-3-beta-yl O-alpha-l-rhamnopyranosyl-(1-->4)-beta-D-glucopyranoside (2), anemonin (3), beta-D-glucosyl-p-hydroxyphenylethyl alcohol (4), and 1-beta-O-caffeoyl-D-glucose (5) were isolated from Helleborus foetidus leaves and identified on the basis of detailed spectral analysis.

PMID:
16545528
DOI:
10.1016/j.fitote.2006.01.012
[Indexed for MEDLINE]

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