carotene

== English == === Etymology === From car(r)ot + -ene. === Pronunciation === === Noun === carotene (countable and uncountable, plural carotenes) (organic chemistry) A class of tetraterpene plant pigments; they vary in colour from yellow, through orange to red, this colour originating in a chain of alternating single and double bonds. (organic chemistry) Specifically, a number of isomers of tetraterpene hydrocarbons, C40H56, (especially beta-carotene), present in carrots etc, which are converted into vitamin A in the liver. ==== Synonyms ==== E160 (when used as a food colouring) ==== Derived terms ==== ==== Related terms ==== carotenoid ==== Translations ==== == Italian == === Pronunciation === IPA(key): /ka.roˈtɛ.ne/ Rhymes: -ɛne Hyphenation: ca‧ro‧tè‧ne === Noun === carotene m (plural caroteni) (organic chemistry) carotene === Further reading === carotene in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana === Anagrams === coeterna