Definition of Choline

1. Noun. A B-complex vitamin that is a constituent of lecithin; essential in the metabolism of fat.

Definition of Choline

1. n. See Neurine.

Definition of Choline

1. Noun. (biochemistry) 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. ¹

¹ Source:

Definition of Choline

1. a B vitamin [n -S]

Medical Definition of Choline

1. Esterified in the head group of phospholipids (phosphatidylcholine and sphingomyelin) and in the neurotransmitter acetylcholine. Otherwise a biological source of methyl groups. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Choline Pictures

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Lexicographical Neighbors of Choline

cholesteryl ester synthetase
cholestyramine resin
cholic acid
cholic acids
choline (current term)
choline-phosphate cytidylyltransferase
choline acetylase
choline acetyltransferase
choline chloride
choline deficiency
choline dihydrogen citrate
choline esterase I
choline esterase II
choline kinase
choline monooxygenase
choline o-acetyltransferase
choline phosphatase
choline phosphokinase
choline salicylate

Literary usage of Choline

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

1. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1904)
"The Action of choline, ... hy Halliburton and Mott choline in morbid cerebro-spinal fluid, we compared the action upon isolated nerve and upon the excised ..."

2. Journal of the American Chemical Society by American Chemical Society (1910)
"In looking through the literature it was found that the choline used in ... Wurtz in 1867' prepared choline by heating trimethylamine with an excess of ..."

3. A Dictionary of Applied Chemistry by Thomas Edward Thorpe (1921)
"choline AND RELATED SUBSTANCES. a concentrated solution of iodine in potassium iodide. The weak base betaine is similarly precipitated from the ..."

4. Commercial Organic Analysis: A Treatise on the Properties, Proximate by Alfred Henry Allen (1896)
"P TT If D • Vo ' »'3 choline has been prepared synthetically by treating ethylene oxide ... choline is a decomposition-product of lecithine, but also exists ..."

5. Journal of Nervous and Mental Disease by Philadelphia Neurological Society, American Neurological Association, Chicago Neurological Society, New York Neurological Association (1899)
"The nucleo-proteid and choline doubtless originate from the disintegration ... The authors have identified choline in the blood removed by venesection from ..."

6. An Introduction to the Chemistry of Plant Products by Paul Haas, Thomas George Hill (1917)
"choline. To examine the products of the hydrolysis of lecithin, this substance is ... The aqueous solution contains barium glycero-phosphate and choline; ..."

7. Poisons: Their Effects and Detection by Alexander Wynter Blyth, Meredith Wynter Blyth (1906)
"The choline Group.—The choline group consists of choline, ... All these bodies can be prepared from choline ; their relationship to choline can be readily ..."

8. Report of the Annual Meeting (1899)
"From the similar result produced by choline we thought it possible that the toxic material derived from the disintegration of nervous tissues, and contained ..."

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