The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/by/3.0/). For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.
A glycosyloxyflavone and a flavone C-glycoside that is (S)-naringenin substituted by a beta-D-glucopyranosyl residue at position 7 via a glycosidic linkage and a alpha-L-arabinopyranosyl residue at position 8. It has been isolated from the roots and leaves of Petrorhagia velutina.