1) Liquid used in perfumery 2) Perfume ingredient
Found on
https://www.crosswordclues.com/clue/ionone
The combination of α-ionone and β-ionone is characteristic of the scent of violets and used with other components in perfumery and flavouring to recreate their scent. The carotenes α-carotene, β-carotene, γ-carotene, and the xanthophyll, and β-cryptoxanthin, can all be metabolized to β-ionone, and thus have vitamin A activity because they c...
Found on
http://en.wikipedia.org/wiki/Ionone
(from the article `citral`) Lemongrass oil contains 70–80 percent citral, which may be isolated by distillation. Other natural sources include the oils of verbena and ...
Found on
http://www.britannica.com/eb/a-z/i/37
A cyclic ketone with an odour of violets or cedar wood, the a and b varieties of which differ in the location of the double bond in the ring: provitamins A and vitamin A have ionone configuration in the ring portion; alpha-carotene contains one alpha-and one beta-ionone moieties, beta-carotene contains two beta-ionone moieties, and gamma-carotene c...
Found on
http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: ī′ō-nōn Definitions: 1. 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 ionone configuration in the ring portion; α-carotene contains one α...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=45599
a light-yellow to colorless, slightly water-soluble liquid that is either one or a mixture of two unsaturated ketones having the formula CHO, used chiefly in perfumery.
Found on
https://www.infoplease.com/dictionary/ionone
No exact match found.
