Hyperoside is a chemical compound. It is the 3-''O''-
galactoside
A galactoside is a glycoside containing galactose. The H of the OH group on carbon-1 of galactose is replaced by an organic moiety.
Depending on whether the glycosidic bond lies "above" or "below" the plane of the galactose molecule, galactosides ...
of
quercetin
Quercetin is a plant flavonol from the flavonoid group of polyphenols. It is found in many fruits, vegetables, leaves, seeds, and grains; capers, red onions, and kale are common foods containing appreciable amounts of it. It has a bitter flavor ...
.
Natural occurrences
Hyperoside has been isolated from ''
Drosera rotundifolia
''Drosera rotundifolia'', the round-leaved sundew, roundleaf sundew, or common sundew, is a carnivorous species of flowering plant that grows in bogs, marshes and fens. One of the most widespread sundew species, it has a circumboreal distrib ...
'', from the Lamiaceae ''
Stachys
''Stachys'' is a genus of plants, one of the largest in the mint family Lamiaceae.Harley, R. M., et al. 2004. "Labiatae". pages 167–275. In: Kubitzki, K. (editor) and J. W. Kadereit (volume editor). ''The Families and Genera of Vascular Plants ...
sp.'' and ''
Prunella vulgaris
''Prunella vulgaris'', the common self-heal, heal-all, woundwort, heart-of-the-earth, carpenter's herb, brownwort or blue curls, is a herbaceous plant in the mint family Lamiaceae.
Self-heal is edible: the young leaves and stems can be eaten raw ...
'', from ''
Rumex acetosella
''Rumex acetosella'', commonly known as red sorrel, sheep's sorrel, field sorrel and sour weed, is a species of flowering plant in the buckwheat family Polygonaceae. Native to Eurasia and the British Isles, the plant and its subspecies are co ...
'', ''
Cuscuta chinensis'' seeds, from
St John's wort
''Hypericum perforatum'', known as St. John's wort, is a flowering plant in the family Hypericaceae and the type species of the genus '' Hypericum''.
Possibly a hybrid between '' H. maculatum'' and '' H. attenuatum'', the species can be found ...
and from ''
Camptotheca acuminata
''Camptotheca'' (happy tree, cancer tree, or tree of life) is a genus of medium-sized deciduous trees growing to tall, native to southern China and Tibet. The genus is usually included in the tupelo family Nyssaceae, but sometimes included (w ...
''. It is one of the phenolic compounds in the invasive plant ''
Carpobrotus edulis
''Carpobrotus edulis'' is a ground-creeping plant with succulent leaves in the genus '' Carpobrotus'', native to South Africa. Its common names include hottentot-fig, sour fig, ice plant or highway ice plant.
Description
''Carpobrotus edulis ...
'' and contributes to the antibacterial properties of the plant.
In ''
Rheum nobile'' and ''
R. rhaponticum'', it serves as a UV blocker found in the bracts.
It is also found in ''
Geranium niveum
''Geranium niveum'' is a plant species in the genus ''Geranium''.
It is a medicinal herb widely used by the Tarahumara Indians of Mexico.
Geranin A
Geranin A is an A type proanthocyanidin of the propelargonidin sub type. Its structure is epi- ...
''
and ''
Taxillus kaempferi
''Taxillus kaempferi'' () is a parasitic plant species in the genus ''Taxillus'' found in China (Anhui, Fujian, W Hubei, S Jiangxi, Sichuan, S Zhejiang), Bhutan and Japan. Its host is ''Pinus thunbergii''.The constituents of Taxillus kaempferi an ...
''.
[The constituents of Taxillus kaempferi and the host, Pinus thunbergii. I. Catechins and flavones of Taxillus kaempferi. Konishi T, Nishio T, Kiyosawa S, Fujiwara Y and Konoshima T, Yakugaku Zasshi., February 1996, volume 116, issue 2, pages 148-157 (article in Japanese)]
References
{{Flavonol
Quercetin glycosides
Flavonoid galactosides
Kappa-opioid receptor antagonists
Mu-opioid receptor antagonists