carotene

car·o·tene   (kār'ə-tēn')    n.  An orange-yellow to red crystalline pigment, C40H56, found in animal tissue and certain plants, such as carrots and squash. It exists in several isomeric forms and is converted to vitamin A in the liver. [German Karotin, from Latin carōta, carrot; see carrot.]

carotene 

Main Entry: car·o·tene
Pronunciation: 'kar-&-"tEn
Function: noun
: any of several orange or red crystalline hydrocarbon pigments (asC₄₀H₅₆) that occur in the chromoplasts of plants and in the fatty tissues of plant-eating animals and are convertible to vitamin A —see BETA-CAROTENE

carotene car·o·tene (kār'ə-tēn') or car·o·tin (-tĭn)
n.
An orange-yellow to red crystalline pigment that exists in three isomeric forms designated alpha, beta, and gamma; it is converted to vitamin A in the liver and is found in animal tissue and certain plants, such as carrots and squash.