
Chrysanthemin is an
anthocyanin
Anthocyanins (), also called anthocyans, are solubility, water-soluble vacuole, vacuolar pigments that, depending on their pH, may appear red, purple, blue, or black. In 1835, the German pharmacist Ludwig Clamor Marquart named a chemical compou ...
. It is the 3-
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
cyanidin
Cyanidin is a natural organic compound. It is a particular type of anthocyanidin (glycoside version called anthocyanin#Structure, anthocyanins). It is a pigment found in many red berries including grapes, bilberry, blackberry, blueberry, cherr ...
(kuromanin).
Natural occurrences
Chrysanthemin can be found in the
roselle plant (''Hibiscus sabdariffa'', Malvaceae), different Japanese
angiosperm
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed within a fruit ...
s, ''
Rhaponticum'' (Asteraceae), The fruits of the smooth arrowwood (''
Viburnum dentatum'', Caprifoliaceae) appear blue. One of the major pigments is cyanidin 3-glucoside, but the total mixture is very complex.
In food
Chrysanthemin has been detected 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, w ...
pomace, in
European elderberry, in
red raspberries, in
soybean
The soybean, soy bean, or soya bean (''Glycine max'') is a species of legume native to East Asia, widely grown for its edible bean. Soy is a staple crop, the world's most grown legume, and an important animal feed.
Soy is a key source o ...
seed coats, in
Victoria plum, in
peach
The peach (''Prunus persica'') is a deciduous tree first domesticated and Agriculture, cultivated in China. It bears edible juicy fruits with various characteristics, most called peaches and the glossy-skinned, non-fuzzy varieties called necta ...
,
lychee
Lychee ( , ; ''Litchi chinensis''; ) is a monotypic taxon and the sole member in the genus ''Litchi'' in the soapberry family, Sapindaceae.
There are three distinct subspecies of lychee. The most common is the Indochinese lychee found in So ...
and
açaí. It is found in
red oranges and black rice.
It is the major anthocyanin in
purple corn
Purple corn () or purple maize is group of flint maize varieties (Flint_corn, Zea mays indurata) originating in South America, descended from a common ancestral variety termed "kʼculli" in Quechuan languages, Quechua. It is most commonly grown i ...
(''Zea mays''). Purple corn is approved in Japan and listed in the "
Existing Food Additive List" as ''purple corn color''.
Biosynthesis
The biosynthesis of cyanidin 3-O-glucoside in ''
Escherichia coli
''Escherichia coli'' ( )Wells, J. C. (2000) Longman Pronunciation Dictionary. Harlow ngland Pearson Education Ltd. is a gram-negative, facultative anaerobic, rod-shaped, coliform bacterium of the genus '' Escherichia'' that is commonly fo ...
'' was demonstrated by means of genetic engineering.
In ''
Arabidopsis thaliana
''Arabidopsis thaliana'', the thale cress, mouse-ear cress or arabidopsis, is a small plant from the mustard family (Brassicaceae), native to Eurasia and Africa. Commonly found along the shoulders of roads and in disturbed land, it is generally ...
'', a
glycosyltransferase, UGT79B1, is involved in the anthocyanin biosynthetic pathway. UGT79B1 protein converts cyanidin 3-O-glucoside to cyanidin 3-O-xylosyl(1→2)glucoside.
References
{{Anthocyanins
Anthocyanins
Flavonoid glucosides