Syringetin is an
''O''-methylated flavonol, a type of flavonoid. It is found in
red grape
This list of grape varieties includes cultivated grapes, whether used for wine, or eating as a table grape, fresh or dried (raisin, currant, sultana). For a complete list of all grape species including those unimportant to agriculture, see Viti ...
(absent in white grape),
in ''
Lysimachia congestiflora
''Lysimachia congestiflora'', known as golden globes loosestrife or creeping Jenny, is a flowering plant species in the primrose family that native to southeast Asia.
Description
It is an aboveground perennial and a herbaceous, stolon-former p ...
'' and in ''
Vaccinium uliginosum
''Vaccinium uliginosum'' (bog bilberry, bog blueberry, northern bilberry or western blueberry) is a Eurasian and North American flowering plant in the genus ''Vaccinium'' within the heath family.
Distribution
''Vaccinium uliginosum'' is native t ...
'' (bog billberries). It is one of the
phenolic compounds present in wine.
It induces human osteoblast differentiation through
bone morphogenetic protein-2/
extracellular signal-regulated kinase
In molecular biology, extracellular signal-regulated kinases (ERKs) or classical MAP kinases are widely expressed protein kinase intracellular signalling molecules that are involved in functions including the regulation of meiosis, mitosis, and p ...
1/2 pathway.
Metabolism
Syringetin is formed from
laricitrin
Laricitrin is an ''O''-methylated flavonol, a type of flavonoid. It is found in red grape (absent in white grape) and in '' Vaccinium uliginosum'' (bog billberries). It is one of the phenolic compounds present in wine.
Metabolism
Laricitrin is ...
by the action of the enzyme laricitrin 5′-''O''-methyltransferase
[ ( myricetin ''O''-methyltransferase).
]
Glycosides
* Syringetin-3-''O''-galactoside[
* Syringetin-3-''O''-glucoside]
* Syringetin 3-rhamnoside (CAS number 93126-00-2)
* Syringetin-3-''O''-rutinoside found in ''Larix sibirica
''Larix sibirica'', the Siberian larch or Russian larch, is a frost-hardy tree native to western Russia, from close to the Finnish border east to the Yenisei valley in central Siberia, where it hybridises with the Dahurian larch ''L. gmelinii' ...
''
* Syringetin 3-''O''-(6′′-acetyl)-β-glucopyranoside found in ''Picea abies
''Picea abies'', the Norway spruce or European spruce, is a species of spruce native to Northern, Central and Eastern Europe.
It has branchlets that typically hang downwards, and the largest cones of any spruce, 9–17 cm long. It is very clo ...
'' (Norway spruce)
References
{{flavonol
O-methylated flavonols
Resorcinols> -->
{{flavonol
O-methylated flavonols
Resorcinols/a>-->
{{flavonol
O-methylated flavonols
Resorcinols