from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A natural amine, C5H15NO2, often classed in the vitamin B complex and a constituent of many other biologically important molecules, such as acetylcholine and lecithin.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hydroxy quaternary ammonium compound with formula (CH3)3N+CH2CH2OHX−. It is an essential nutrient for cardiovascular and brain health and for cell membrane formation. Discovered by Andreas Strecker in 1862.

from the GNU version of the Collaborative International Dictionary of English

  • n. See neurine.

from The Century Dictionary and Cyclopedia

  • n. A basic substance (C5H15NO2) which is widely distributed in the animal organism, but is most abundant in the bile, in the brain (as a constituent of lecithin), and in the yolk of eggs. It is very deliquescent, and crystallizes with difficulty. Also cholein and neurine.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a B-complex vitamin that is a constituent of lecithin; essential in the metabolism of fat


Sorry, no etymologies found.


  • Eggs in particular, their yolks are rich in a substance called choline, which is part of two molecules responsible for brain health and cognitive functions.

  • As to the association with eggs, a compound called choline may play a role.

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  • Vitamin B4, known as choline chloride, is added to chicken and pig feed to increase animal growth, reduce mortality and improve meat quality.

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  • More specifically, if the sodium is removed from the solution and replaced with a natural substance known as choline, survival, fertilization, and development of frozen eggs improves dramatically.

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  • Further research has determined that a more efficient ingredient in lecithin for supplying choline to the brain is phosphatidyl choline, which is available as a dietary supplement.

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  • There's also a really important nutrient called choline -- about 90 percent of us are short on this.

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  • Choline monooxygenase 1 Nomenclature EC number (deleted, identical to EC Recommended name choline monooxygenase 606

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  • Fenugreek tea is beneficial in removing mucous buildup in the intestinal tract, lowering blood pressure (breaks up platelet aggregation and thins the blood) and contains choline which is a lipotropic (helps dissolve fat deposits).

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