Rhamnetin is an
O-methylated flavonol The O-methylated flavonoids or methoxyflavonoids are flavonoids with methylations on hydroxyl groups ( methoxy bonds). O-methylation has an effect on the solubility of flavonoids.
Enzymes
O-methylated flavonoids formation implies the presence of sp ...
, a type of chemical compound. It can be isolated from
clove
Cloves are the aromatic flower buds of a tree in the family Myrtaceae, ''Syzygium aromaticum'' (). They are native to the Maluku Islands (or Moluccas) in Indonesia, and are commonly used as a spice, flavoring or fragrance in consumer products, ...
s.
The structure of the molecule was discovered by Austrian chemist
Josef Herzig
Josef Herzig (25 September 1853 – 4 July 1924) was an Austrian chemist.
Herzig was born in Sanok, Galicia, which at that time was part of Austria-Hungary. Herzig went to school in Breslau until 1874, started studying chemistry at the Unive ...
(1853–1924).
Glycosides
Rhamnetin is the aglycone of
xanthorhamnin
Xanthorhamnin is a chemical compound. It can be isolated from buckthorn berries (''Rhamnus catharticus'').
The aglycone of xanthorhamnin is rhamnetin
Rhamnetin is an O-methylated flavonol, a type of chemical compound. It can be isolated from cl ...
.
O-methylated flavonols
Catechols
{{Aromatic-stub