Antirrhinin is an
anthocyanin
Anthocyanins (), also called anthocyans, are water-soluble vacuolar pigments that, depending on their pH, may appear red, purple, blue, or black. In 1835, the German pharmacist Ludwig Clamor Marquart gave the name Anthokyan to a chemical compo ...
. It is the 3-
rutinoside
Rutinose is the disaccharide also known as 6-''O''-α-L- rhamnosyl-D-glucose (C12H22O10) that is present in some flavonoid glycosides. It is prepared from rutin by hydrolysis
Hydrolysis (; ) is any chemical reaction in which a molecule of wa ...
of
cyanidin
Cyanidin is a natural organic compound. It is a particular type of anthocyanidin (glycoside version called anthocyanins). It is a pigment found in many red berries including grapes, bilberry, blackberry, blueberry, cherry, chokeberry, cranb ...
.
Occurrence
It can be found in ''
Antirrhinum majus
''Antirrhinum majus'', the common snapdragon (often - especially in horticulture - simply "snapdragon"), is a species of flowering plant belonging to the genus ''Antirrhinum''. The plant was placed in the family Plantaginaceae following a revis ...
'' (common snapdragon).
It can be found in
blackcurrant
The blackcurrant (''Ribes nigrum''), also known as black currant or cassis, is a deciduous shrub in the family Grossulariaceae grown for its edible berries. It is native to temperate parts of central and northern Europe and northern Asia, whe ...
,
açaí,
black raspberry
Black raspberry is a common name for three species of the genus ''Rubus'':
*''Rubus leucodermis'', native to western North America
*''Rubus occidentalis'', native to eastern North America
*''Rubus coreanus
300px, (left to right) ''R. coreanu ...
,
litchi
Lychee (US: ; UK: ; ''Litchi chinensis''; ) is a monotypic taxon and the sole member in the genus ''Litchi'' in the soapberry family, '' Sapindaceae''.
It is a tropical tree native to Southeast and Southwest China (the Guangdong, Fujian, ...
pericarp and
common fig
The fig is the edible fruit of ''Ficus carica'', a species of small tree in the flowering plant family Moraceae. Native to the Mediterranean and western Asia, it has been cultivated since ancient times and is now widely grown throughout the world ...
.
Metabolism
Cyanidin 3-O-rutinoside 5-O-glucosyltransferase
In enzymology, a cyanidin 3-O-rutinoside 5-O-glucosyltransferase () is an enzyme that catalyzes the chemical reaction
:UDP-glucose + cyanidin 3-O-rutinoside \rightleftharpoons UDP + cyanidin 3-O-rutinoside 5-O-beta-D-glucoside
Thus, the two ...
uses UDP-glucose and cyanidin 3-O-rutinoside (antirrhinin) to produce UDP and
cyanidin 3-O-rutinoside 5-O-beta-D-glucoside
Cyanidin is a natural organic compound. It is a particular type of anthocyanidin (glycoside version called anthocyanins). It is a pigment found in many red berries including grapes, bilberry, blackberry, blueberry, cherry, chokeberry, cranb ...
.
References
Anthocyanin rutinosides
{{Aromatic-stub