A new isoflavanone from Iresine herbstii

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Authors

VALENTOVÁ Marie MAREK Radek ŠVAJDLENKA Emil KUBÍNOVÁ Renata SUCHÝ Václav

Year of publication 2011
Type Article in Periodical
Magazine / Source Fitoterapia
MU Faculty or unit

Faculty of Science

Citation
Web DOI: 10.1016/j.fitote.2010.10.010
Doi http://dx.doi.org/10.1016/j.fitote.2010.10.010
Field Analytic chemistry
Keywords Iresine herbstii; Amaranthaceae; 225-Trimethoxy-67-methylenedioxyisoflavanone; 25-Dimethoxy-67-methylenedioxyisoflavone; Tlatlancuayin; alpha-Glucosidase
Attached files
Description A new isoflavanone 2,2,5-trimethoxy-6,7-methylenedioxyisoflavanone was isolated from the aerial parts of Iresine herbstii, together with isoflavone tlatlancuayin (2,5-dimethoxy-6,7-methylenedioxyisoflavone). The structure was identified using spectroscopic analysis. This is the first description of a methoxy group occurrence at position 2 of the isoflavanone skeleton. Both isolated compounds were tested for alpha-glucosidase inhibitory activity, but showed only a low effect compared to hyperoside.
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