choline


choline

choline [koh-leen, kol-een] ExamplesWord Origin noun

  1. Biochemistry. a quaternary ammonium cation, C5H14N+O, one of the B-complex vitamins, found in the lecithin of many plants and animals.
  2. 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.
  3. 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.

    The Chemistry of Plant Life

    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

    1. 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.

    1. 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′]

    1. 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.

    Leave a Reply

    Your email address will not be published. Required fields are marked *

    50 queries 1.215