Definition of Carotene

1. Noun. An orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver.

Exact synonyms: Carotin, Provitamin A
Specialized synonyms: Beta-carotene
Generic synonyms: Provitamin



2. Noun. Yellow or orange-red fat-soluble pigments in plants.
Generic synonyms: Carotenoid

Definition of Carotene

1. Noun. (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. ¹

2. Noun. (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. ¹

¹ Source: wiktionary.com

Definition of Carotene

1. a plant pigment [n -S]

Medical Definition of Carotene

1. Hydrocarbon carotenoids usually with 9 conjugated double bonds. _ carotene is the precursor of Vitamin A, each molecule giving rise to two Vitamin A molecules. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Carotene Pictures

Click the following link to bring up a new window with an automated collection of images related to the term: Carotene Images

Lexicographical Neighbors of Carotene

caromed
caromel
caromels
caroming
caroms
caron
carons
carosse
carosses
caroteel
caroteels
carotenaemia
carotenal
carotenals
carotenase
carotene (current term)
carotene oxidase
carotenemia
carotenes
carotenoderma
carotenogenesis
carotenogenic
carotenoic acid
carotenoid
carotenoids
carotenoprotein
carotenosis cutis
carotic
caroticoclinoid ligament
caroticotympanic

Literary usage of Carotene

Below you will find example usage of this term as found in modern and/or classical literature:

1. Journal of the American Chemical Society by American Chemical Society (1879)
"(1) The inhibitory effect of /3-carotene in the photochemical reaction is not caused by quenching of triplet sensitizer, since the intercepts of the lines ..."

2. Alternative Medicine: Expanding Medical Horizons by DIANE Publishing Company (1995)
"Beta-carotene. Alexander and colleagues (1985) reported that extremely large oral doses of beta- carotene (180 mg per day) can increase the number of CD4 ..."

3. A Lifelong Passion: Nicholas and Alexandra: Their Own Story by Andrei Maylunas (2005)
"The associations of retinol and beta-carotene plasma concentrations with eight ... Dietary carotene and female sex were positively related to beta-carotene ..."

4. Biotechnology of Algae: A Bibliography by Virginia Stone (1994)
"carotene was elucidated by analysis of the effect of selected inhibitors. ... carotene in the untreated algae. It is deduced, therefore, ..."

5. Composition on Foods: Fast Foods (Raw, Processed, Prepared) by Lynn E. Dickey, John L. Weihrauch (1988)
"One IU is equivalent to 0.3 meg of retinol or 0.6 meg of beta-carotene; one RE is equivalent to 1 meg of retinol or 6 meg of beta-carotene. ..."

6. Code of Federal Regulations 21: Food And Drugs 2005 by Food and Drug Administration (FDA) Staff (2005)
"(3) Beta-carotene may be declared as the percent of vitamin A that is present as beta-carotene, except that the declaration is required when a claim is made ..."

7. Guide to Clinical Preventive Services: Report of the U. S. Preventive by DIANE Publishing Company (1996)
"... suggested that low-dose isotretinoin was more effective in maintaining remissions than {J-carotene and caused fewer side effects than high-dose therapy: ..."

Other Resources Relating to: Carotene

Search for Carotene on Dictionary.com!Search for Carotene on Thesaurus.com!Search for Carotene on Google!Search for Carotene on Wikipedia!

Search

Translations