
1) Food coloring
Found on
https://www.crosswordclues.com/clue/crocin

Crocin is a natural carotenoid chemical compound that is found in the flowers crocus and gardenia. It is the diester formed from the disaccharide gentiobiose and the dicarboxylic acid crocetin. It has a deep red color and forms crystals with a melting point of 186 °C. When dissolved in water, it forms an orange solution. Crocin is the chemical in...
Found on
http://en.wikipedia.org/wiki/Crocin

• (n.) The coloring matter of Chinese yellow pods, the fruit of Gardenia grandiflora. • (n.) A red powder (called also polychroite), which is made from the saffron (Crocus sativus). See Polychroite.
Found on
http://thinkexist.com/dictionary/meaning/crocin/
Cro'cin noun [ Greek ............ saffron.]
(Chemistry) (a) The coloring matter of Chinese yellow pods, the fruit of
Gardenia grandiflora .
Watts. (b) A red powder (called also
polychroite ), which is made from the saffron (
Crocus sativus ). See
...
Found on http://www.encyclo.co.uk/webster/C/190
Crocin is a colouring matter obtained from the fruit of Gardenia grandiflora, Chinese yellow pods, largely used in China for dyeing silk, wool, and other fabrics yellow.
Found on http://www.probertencyclopaedia.com/browse/AC1.HTM
No exact match found.