[lak-tohn] /ˈlæk toʊn/

noun, Chemistry.
any of a group of internal esters derived from hydroxy acids.
any of a class of organic compounds formed from hydroxy acids and containing the group -C(CO)OC-, where the carbon atoms are part of a ring

lactone lac·tone (lāk’tōn’)
An anhydride formed by the removal of a water molecule from the hydroxyl and carboxyl radicals of hydroxy acids.
lac·ton’ic (-tŏn’ĭk) adj.
Any of various organic esters derived from organic acids by removal of water. Lactones are formed when the carboxyl (COOH) group of the acid reacts with a hydroxyl (OH) group in the same acid, releasing water and causing the carbon atom to join to the hydroxyl’s remaining oxygen atom, forming a ring. Vitamin C, the antibiotic erythromycin, and many commercially important substances are lactones.


Read Also:

  • Lactonize

    [lak-toh-nahyz] /ˈlæk toʊˌnaɪz/ verb (used with or without object), lactonized, lactonizing. 1. to change into a .

  • Lactoprotein

    [lak-toh-proh-teen, -proh-tee-in] /ˌlæk toʊˈproʊ tin, -ˈproʊ ti ɪn/ noun 1. any existing in milk. /ˌlæktəʊˈprəʊtiːn/ noun 1. any protein, such as lactalbumin or caseinogen, that is present in milk lactoprotein lac·to·pro·tein (lāk’tō-prō’tēn’, -tē-ən) n. A protein normally present in milk.

  • Lacto-ovo-vegetarian

    [lak-toh-oh-voh-vej-i-tair-ee-uh n] /ˌlæk toʊˌoʊ voʊˌvɛdʒ ɪˈtɛər i ən/ noun 1. Also called lactovarian [lak-tuh-vair-ee-uh n] /ˌlæk təˈvɛər i ən/ (Show IPA), ovolactarian, ovo-lacto-vegetarian. a vegetarian whose diet includes dairy products and eggs. adjective 2. pertaining to or maintaining a vegetarian diet that includes dairy products and eggs.

  • Lactorrhea

    lactorrhea lac·tor·rhe·a (lāk’tə-rē’ə) n. See galactorrhea.

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