Liberal Dictionary English Dictionary
choline [koh-leen, kol-een] ExamplesWord Origin noun
- Biochemistry. a quaternary ammonium cation, C5H14N+O, one of the B-complex vitamins, found in the lecithin of many plants and animals.
- choline hydroxide, C5H15NO2, the viscous, strongly alkaline commercial form of this compound, usually synthesized, used as a feed supplement, especially for poultry, and in medicine in certain liver conditions.
- choline chloride, C5H14ClNO.
Origin of choline First recorded in 1855–60; chol- + -ine2 Examples from the Web for choline Historical Examples of choline
Betaine and choline often occur together in the germs of many plants.
Roscoe Wilfred Thatcher
The variations include the alcohol, to which the fatty acids and choline phosphate are attached.
Smithsonian Institution – United States National Museum – Bulletin 240
Anonymous
An atom of hydrogen from the choline, CH2, group, being replaced by hydroxyl.
Poisons: Their Effects and Detection
Alexander Wynter Blyth
It is decomposed by alkalies with the formation of choline and trimethylamine.
The Propaganda for Reform in Proprietary Medicines, Vol. 2 of 2
Various
From choline it may be separated by recrystallising the mercuric precipitate from hot water.
Poisons: Their Effects and Detection
Alexander Wynter Blyth
British Dictionary definitions for choline choline noun
- a colourless viscous soluble alkaline substance present in animal tissues, esp as a constituent of lecithin: used as a supplement to the diet of poultry and in medicine for preventing the accumulation of fat in the liver. Formula:[(CH 3) 3 NCH 2 CH 2 OH] + OH –
Word Origin for choline C19: from chole- + -ine ², so called because of its action in the liver choline in Medicine choline [kō′lēn′] n.
- A natural amine often classed in the vitamin B complex and a constituent of many other biologically important molecules, such as acetylcholine and lecithin.
choline in Science choline [kō′lēn′]
- A natural amine often classed in the vitamin B complex. It is incorporated into the structure of many other biologically important molecules, such as acetylcholine and lecithin. Chemical formula: C5H15NO2.