On the Structure of C-Glycosyl Flavones, Flavoayamenin and Luteoayamenin, in Petals of Iris Nertshinskia LODDIGES form, albiflora HONDA

Ryosuke HIROSE; Yukio KAZUTA; Daizo KOGA; Akio IDE; Kazuyoshi YAGISHITA

doi:10.1271/bbb1961.45.551

Agricultural and Biological Chemistry

Online ISSN : 1881-1280
Print ISSN : 0002-1369
ISSN-L : 0002-1369

On the Structure of C-Glycosyl Flavones, Flavoayamenin and Luteoayamenin, in Petals of Iris Nertshinskia LODDIGES form, albiflora HONDA

Ryosuke HIROSE, Yukio KAZUTA, Daizo KOGA, Akio IDE, Kazuyoshi YAGISHITA

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JOURNAL FREE ACCESS

1981 Volume 45 Issue 3 Pages 551-555

DOI https://doi.org/10.1271/bbb1961.45.551

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Abstract

Luteoayamenin, C₂₈H₈₂O₁₆, mp 185-187°C, a new C-glycosyl flavone, was isolated together with flavoayamenin, swerisin and sweriajaponin from ethanol extracts of petals of Iris Nertshinskia LODDIGES form. albiflora HONDA. The chemical structure of this luteoyamenin was 2"-O-β-D-glucopyranosyl-6-C-β-D-glucopyranosyl-7-O-methyl-luteolin. Flavoayamenin was formulated as 2"-O-β-D-glucopyranosyl-6-C-β-D-glucopyranosyl-7-O-methyl-apigenin.

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