carotene(redirected from Beta-ring)
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orange fat-soluble pigments found in some plants, such as carrots; vitamin A
Not to be confused with:
keratin – a substance found in the dead outer skin and in horn, hoofs, nails, claws, etc.
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
car·o·tene(kăr′ə-tēn′) also car·o·tin (-tĭn)
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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biochemistry) any of four orange-red isomers of an unsaturated hydrocarbon present in many plants (β-carotene is the orange pigment of carrots) and converted to vitamin A in the liver. Formula: C40H56
[C19 carotin, from Latin carōta carrot; see -ene]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
any of three yellow or orange fat-soluble pigments having the formula C40H56, found in many plants, esp. carrots, and transformed into vitamin A in the liver; provitamin A.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
An organic compound that occurs as an orange-yellow to red pigment in many plants and in animal tissue. In animals, it is converted to vitamin A by the liver. Carotenes give plants such as carrots, pumpkins, and dandelions their characteristic color.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Switch to new thesaurus
|Noun||1.||carotene - an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver|
beta-carotene - an isomer of carotene that is found in dark green and dark yellow fruits and vegetables
provitamin - vitamin precursor; a substance that is converted into a vitamin in animal tissues
|2.||carotene - yellow or orange-red fat-soluble pigments in plants|
carotenoid - any of a class of highly unsaturated yellow to red pigments occurring in plants and animals
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
carotene[ˈkærətiːn] N → caroteno m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
n → Karotin nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
n. caroteno, pigmento amarillo rojizo presente en vegetales que se convierte en vitamina A en el cuerpo.
English-Spanish Medical Dictionary © Farlex 2012
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.