The Collaborative International Dictionary
Crocetin
Crocetin \Cro"ce*tin\ (kr?"s?-t?n), n. (Chem.) A dyestuff, obtained from the Chinese crocin, which produces a brilliant yellow.
Wiktionary
crocetin
n. (context organic compound English) A natural carotenoid dicarboxylic acid that is found in the crocus flower.
Wikipedia
Crocetin
Crocetin is a natural carotenoid dicarboxylic acid that is found in the crocus flower and Gardenia jasminoides (fruits). It forms brick red crystals with a melting point of 285 °C.
The chemical structure of crocetin forms the central core of crocin, the compound responsible for the color of saffron.