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. Identification in Natural Plants. The identification of orientin has been reported widely. Its identification using mass spectrometry is established See also. Isoorientin (or homoorientin) is the luteolin-6-C-glucoside.