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单词 carotene
释义 carotene
 /kar"euh teen'/,  n.  
 any of three yellow or orange fat-soluble pigments having the formula C40H56, found in many plants, esp. carrots, and transformed to vitamin A in the liver; provitamin A.
 Also, carotin.
 [1860-65; < LL carot(a) CARROT + -ENE]
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