|IUPAC name||(2Z,6S)-6-β-D-Glucopyranosyl -2-[ [(3S) -3-β-D-glucopyranosyl-2,3,4-trihydroxy -5-[(2E)-3-(4-hydroxyphenyl) -1-oxo-2-propenyl] -6-oxo-1,4-cyclohexadien-1-yl]methylene] -5,6-dihydroxy -4-[(2E)-3-(4-hydroxyphenyl) -1-oxo-2-propenyl] -4-cyclohexene-1,3-dione|
C.I. Natural Red 26
3D model (JSmol)
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|Except where noted otherwise, data are given for|
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references
Carthamin is a natural red pigment derived from safflower (Carthamus tinctorius), earlier known as carthamine. It is used as a dye and a food coloring. As a food additive, it is known as Natural Red 26.
Safflower has been cultivated since ancient times, and carthamin was used as a dye in ancient Egypt. It was used extensively in the past for dyeing wool for the carpet industry in European countries and to create cosmetics for Geisha and Kabuki artists in Japan. It competed with the early synthetic dye fuchsine as a silk dye after fuchsine's 1859 discovery.
- Merck Index, 11th Edition, 1876.
- De Candolle, Alphonse. (1885.) Origin of cultivated plants. D. Appleton & Co.: New York, p. 164. Retrieved on 2007-09-25.
- Carthamus tinctorius (Safflower), a commercially viable dye for textiles. Vankar, Padma S.; Tiwari, Vandana; Shanker, Rakhi; Shivani. Asian Dyer (2004), 1(4), 25-27.
- Chevreul, M. E. (July 1860). "Note sur les étoffes de soie teintes avec la fuchsine, et réflexions sur le commerce des étoffes de couleur." Répertoire de Pharmacie, tome XVII, p. 62. Retrieved on 2007-09-25.
|biochemicalsMajor families of|
|Peptides | Amino acids | Nucleic acids | Carbohydrates | Nucleotide sugars | Lipids | Terpenes | Carotenoids | Tetrapyrroles | Enzyme cofactors | Steroids | Flavonoids | Alkaloids | Polyketides | Glycosides|
|Analogues of nucleic acids:||Types of Glycosides||Analogues of nucleic acids:|
|Bond:||O-glycosidic bond | S-glycosidic bond | N-glycosidic bond|
|Geometry:||α-Glycoside | β-Glycoside | 1,4-Glycoside | 1,6-Glycoside|
|Glycone:||Glucoside | Fructoside | Glucuronide|
|Aglycone:||Alcoholic glycoside | Anthraquinone glycoside | Coumarin glycoside | Cyanogenic glycoside | Flavonoid glycoside | Phenolic glycoside | Saponin | Cardiac glycoside | Steviol glycoside | Thioglycoside | Glycosylamine | Bufanolide | Cardenolide|