Hirsutidin is an O-methylated anthocyanidin, a chemical compound belonging to the anthocyanins. It can be found in Catharanthus roseus (Madagascar periwinkle) where it is the prominent compound in petals and can also be found in callus cultures.Catharanthus flavonoids on Schroeder page, uni. Freiburg, Germany
Glycosides 3-O-(6-O-p-coumaroyl) glucoside of hirsutidin can also be found in Catharanthus roseus.
References