Aurantinidin is a water-soluble, red plant dye. It is a member of the class of compounds known as

anthocyanidin Anthocyanidins are common plant pigments, the sugar-free counterparts of anthocyanins. They are based on the flavylium cation, an oxonium ion, with various groups substituted for its hydrogen atoms. They generally change color from red through ...

s and is a hydroxy derivative of pelargonidin. Aurantinidin has been reported to occur in '' Impatiens aurantiaca'' (

Balsaminaceae The Balsaminaceae (commonly known as the balsam family) are a family (biology), family of dicotyledonous plants, comprising two genus, genera: ''Impatiens'', which consists of over 1000 species, and ''Hydrocera'', consisting of 1 species. The flo ...

), and also in cultivars from genus ''

Alstroemeria ''Alstroemeria'' (), commonly called the Peruvian lily or lily of the Incas, is a genus of flowering plants in the family Alstroemeriaceae. They are all native to South America, although some have become naturalized in the United States, Mex ...

''.''FLAVONOIDS: Chemistry, biochemistry and applications'' by Oyvind M. Andersen and Kenneth R.Markham

References

{{Anthocyanins Natural dyes Anthocyanidins Pyrogallols