Orientin

Orientin is a flavone, a chemical flavonoid-like compound. It is the 8-C glucoside of luteolin.

Natural occurrences
Orientin is found in Adonis vernalis, in Anadenanthera colubrina and Anadenanthera peregrina, and in the Phyllostachys nigra bamboo leaves

Orientin is also reported in the passion flower, the Açaí palm, buckwheat sprouts, and in millets.
 * In food

Identification
The identification of orientin has been reported widely. Its identification using mass spectrometry is established.