Anthocyanins (Flavylium salts): Anthyocyanidins are responsible for the red, violet and blue colours of flowers and other plant parts. They are mostly present in plants as glycosides of hydroxylated 2-phenylbenzopyrylium salts. Cleavage by acid hydrolysis produces the corresponding free flavylium salts.
Crocus: Croci stigma contains crocetin, a 8,8′-diapocarotenedioic acid. The bright yellow digentiobiosyl ester crocin is water soluble.
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© 1996 Springer-Verlag Berlin Heidelberg
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(1996). Drugs Containing Pigments. In: Plant Drug Analysis. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-00574-9_13
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DOI: https://doi.org/10.1007/978-3-642-00574-9_13
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