Aurantinidin is a water-soluble, red plant dye.

It is a member of the class of compounds known as anthocyanidins and is a hydroxy derivative of pelargonidin.

Aurantinidin has been reported to occur in Impatiens aurantiaca (Balsaminaceae), and also in cultivars from genus Alstroemeria.

[1] Diglucosides: Others glycosides: