ionone

ionone
One of two cyclic terpene ketones with an odor of violets or cedar wood, the α and β varieties of which differ in the location of the double bond in the ring : provitamins A and vitamin A have i. configuration in the ring portion; α-carotene contains one α- and one β-i. moieties, β-carotene contains two β-i. moieties, and γ-carotene contains one β-i. moiety.

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io·none 'ī-ə-.nōn n either of two oily liquid isomeric ketones C13H20O that have a strong odor of violets, are found esp. in the essential oil of an Australian shrub (Boronia megastigma) but are usu. obtained from citral, and are used esp. in perfumes

Medical dictionary. 2011.

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Look at other dictionaries:

  • Ionone — Les trois formes de l ionone (alpha , beta et gamma ionone). Général No CAS …   Wikipédia en Français

  • ionone — [ jɔnɔn ] n. f. • 1907; du gr. ion « violette » et suff. one ♦ Chim. Cétone isomérique de l irone (C13H20O), corps synthétique à odeur de violette, utilisé en parfumerie. ● ionone nom féminin (grec ion, ionos, violette) Nom générique de plusieurs …   Encyclopédie Universelle

  • ionone — [ī′ə nōn΄] n. [Gr ion, violet + ONE] a colorless liquid, C13H20O, made from citral and acetone and used in perfume manufacture for its violetlike odor …   English World dictionary

  • Ionone — Ionones …   Wikipedia

  • Ionone — Strukturformel (R) α Jonon           (S) α Jonon …   Deutsch Wikipedia

  • ionone — /uy euh nohn /, n. Chem. a light yellow to colorless, slightly water soluble liquid that is either one or a mixture of two unsaturated ketones having the formula C13H20O, used chiefly in perfumery. [1890 95; formerly trademark] * * * …   Universalium

  • ionone — noun Any of a series of closely related aromatic chemical substances that are part of a group of compounds known as rose ketones, including damascones and damascenones, found in a variety of essential oils …   Wiktionary

  • ionone — i·o·nó·ne s.m. TS chim. chetone terpenico usato in profumeria per il suo aroma simile a quello della violetta {{line}} {{/line}} DATA: 1917. ETIMO: der. di ion con 2 one …   Dizionario italiano

  • ionone — pl.m. iononi …   Dizionario dei sinonimi e contrari

  • Ionone — Io·none …   English syllables

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