Orientin is a
flavone, a chemical flavonoid-like compound. It is the 8-C
glucoside
A glucoside is a glycoside that is chemically derived from glucose. Glucosides are common in plants, but rare in animals. Glucose is produced when a glucoside is hydrolysed by purely chemical means, or decomposed by fermentation or enzymes.
Th ...
of
luteolin.
Natural occurrences
Orientin is found in ''
Adonis vernalis'', in ''
Anadenanthera colubrina
''Anadenanthera colubrina'' (also known as vilca, huilco, huilca, wilco, willka, curupay, curupau, cebil, or angico) is a South American tree closely related to yopo, or ''Anadenanthera peregrina''. It grows to tall and the trunk is very thorn ...
'' and ''
Anadenanthera peregrina
''Anadenanthera peregrina'', also known as yopo, jopo, cohoba, parica or calcium tree, is a perennial tree of the genus ''Anadenanthera'' native to the Caribbean and South America. It grows up to tall, and has a thorny bark. Its flowers grow ...
'', and in the ''
Phyllostachys nigra
''Phyllostachys nigra'', common name, commonly known as black bamboo or purple bamboo ( zh, 紫竹), is a species of bamboo, native plant, native to Hunan, Hunan Province of China, and is widely cultivated elsewhere.
Growing up to tall by broa ...
'' bamboo leaves
; In food
Orientin is also reported in the
passion flower
''Passiflora'', known also as the passion flowers or passion vines, is a genus of about 550 species of flowering plants, the type genus of the family Passifloraceae.
''Passiflora'' species are widely cultivated for their striking flowers, fla ...
, the
Açaí palm,
buckwheat
Buckwheat (''Fagopyrum esculentum'') or common buckwheat is a flowering plant in the knotweed family Polygonaceae cultivated for its grain-like seeds and as a cover crop. Buckwheat originated around the 6th millennium BCE in the region of what ...
sprouts, and in
millet
Millets () are a highly varied group of small-seeded grasses, widely grown around the world as cereal crops or grains for fodder and human food. Most millets belong to the tribe Paniceae.
Millets are important crops in the Semi-arid climate, ...
s.
Identification
The identification of orientin has been reported widely. Its identification using mass spectrometry is established.
[Welch, C., Zhen, J., Bassène, E., Raskin, I., Simon, J.E. and Wu, Q., 2017. Bioactive polyphenols in kinkéliba tea (Combretum micranthum) and their glucose-lowering activities. Journal of Food and Drug Analysis. ]
See also
Isoorientin (or homoorientin) is the luteolin-6-C-glucoside.
References
External links
Orientin on rdcheicals.com
{{flavone
Flavone glucosides
Flavone glycosides
C-glycoside natural phenols