Synonyms Safflor
carmine; Safflor red; Carthamic acid.
Biological Source Carthamin is
the coloring principle obtained from Carthamus tinctorius L., belonging
to family Compositae (Safflower).
Geographical Source It is
grown throughout a large portion of Inida. It is one of the most ancient crops
cultivated in Egypt as a dye-yielding herb. It is also grown in Russia, Mexico,
United States, Ethiopia and Australia.
Description It is a dark
red granular powder having a green luster. It is slightly soluble in water and
practically insoluble in ether. It is found to be soluble in alcohol and in
dilute alkali carbonates.
Chemical Structure The
structure of carthamin is as given below:
Carthamin on being
treated with diilute hydrochloric acid gets converted to ite isomeric yellow compound
known as isocarthamin.
Uses
1. It is used as a dye.
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