Retusin is an

O-methylated isoflavone The O-methylated flavonoids or methoxyflavonoids are flavonoids with methylations on hydroxyl groups (methoxy bonds). O-methylation has an effect on the solubility of flavonoids. Enzymes O-methylated flavonoids formation implies the presence of spe ...

, a type of flavonoid. It can be found in Fabaceae species like ''

Dipteryx odorata ''Dipteryx odorata'' (commonly known as "cumaru", "kumaru", or "Brazilian teak") is a species of flowering tree in the pea family, Fabaceae. The tree is native to Northern South America and is semi-deciduous. Its seed In botany, a seed ...

'', in ''

Dalbergia retusa ''Dalbergia retusa'' (Caviuna, Cocobolo, Cocobolo Prieto, Funeram, Granadillo, Jacarandáholz, Nambar, ñamba, Nicaraguan Rosewood, Palisander, Palissandro, Palo Negro, Pau Preto, Rosewood, Urauna) is a plant species in the family'' Fabaceae ''. ...

'' and in '' Millettia nitida''. It can also be found in ''

Maackia amurensis ''Maackia amurensis'', commonly known as the Amur maackia, is a species of tree in the family Fabaceae that can grow 15 metres (49 ft) tall. The species epithet and common names are from the Amur River region, where the tree originated; it o ...

'' cell cultures.Isoflavonoid production by callus cultures of Maackia amurensis. S.A Fedoreyev, T.V Pokushalov, M.V Veselova, L.I Glebko, N.I Kulesh, T.I Muzarok, L.D Seletskaya, V.P Bulgakov and Yu.N Zhuravlev, Fitoterapia, 1 August 2000, Volume 71, Issue 4, Pages 365–372,

References

O-methylated isoflavones Catechols 4-Methoxyphenyl compounds {{aromatic-stub}"> --> O-methylated isoflavones Catechols 4-Methoxyphenyl compounds {{aromatic-stub}--> O-methylated isoflavones Catechols 4-Methoxyphenyl compounds {{aromatic-stub