lipochrin

from The Collaborative International Dictionary of English v.0.48
Lipochrin \Lip"o*chrin\ (l[i^]p"[-o]*kr[i^]n), n. [Gr. li`pos
   fat + chro`a color.] (Physiol. Chem.)
   A yellow coloring matter, soluble in ether, contained in the
   small round fat drops in the retinal epithelium cells. It is
   best obtained from the eyes of frogs.
   [1913 Webster]
    

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