Definition of linolenic acid in English:

linolenic acid

Syllabification: lin·o·le·nic ac·id
Pronunciation: /ˌlinəˈlēnik, -ˈlenik
 
/

noun

Chemistry
A polyunsaturated fatty acid (with one more double bond than linoleic acid) present as a glyceride in linseed and other oils and essential in the human diet.
  • Chemical formula: C17H29COOH; several isomers, notably gamma-linolenic acid, present in evening primrose oil
More example sentences
  • Sources of the essential fatty acid linolenic acid are soybean oil, canola oil, walnuts and flaxseed.
  • Linoleic and linolenic acid are essential fatty acids that are needed to make critical compounds in the body.
  • Since plants are capable of synthesizing linoleic and linolenic acid humans can acquire these fats by consuming a variety of plants or else by eating the meat of animals that have consumed these plant fats.

Origin

late 19th century: from German Linolensaüre, from Linolsaüre 'linoleic acid', with the insertion of -en- (from -ene).

Derivatives

linolenate

Pronunciation: /-ˈlēˌnāt, -ˈlenˌāt/
noun
More example sentences
  • Since these enzymes cannot introduce sites of unsaturation beyond C9 they cannot synthesize either linoleate or linolenate.
  • However, the fatty-acid composition of migratory Western Sandpipers differs somewhat from that of migratory passerines in that sandpipers have much lower levels of the essential fatty acids linoleate and linolenate.
  • The five major fatty acids in soybean oil are palmitate, stearate, oleate, linolenate, and linoleate.

Definition of linolenic acid in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day vituperate
Pronunciation: vɪˈtjuːpəreɪt
verb
blame or insult (someone) in strong language...