carotin

from WordNet (r) 3.0 (2006)

carotin
    n 1: an orange isomer of an unsaturated hydrocarbon found in
         many plants; is converted into vitamin A in the liver [syn:
         {provitamin A}, {carotene}, {carotin}]

from The Collaborative International Dictionary of English v.0.48

Carotin \Ca*ro"tin\, n. (Chem.)
   A red crystallizable tasteless substance, extracted from the
   carrot.
   [1913 Webster]

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