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单词 ionone
释义

ionone


i·o·none

I0224000 (ī′ə-nōn′)n. A colorless to yellowish liquid ketone, C13H20O, having the odor of cedar or violets, occurring in either of two isomeric forms, and used chiefly in perfumes.
[Originally a trademark.]

ionone

(ˈaɪəˌnəʊn) n1. (Elements & Compounds) a yellowish liquid mixture of two isomers with an odour of violets, extracted from certain plants and used in perfumery2. (Elements & Compounds) either of these two isomers. Formula: C13H20O

ionone


ionone

[′ī·ə‚nōn] (organic chemistry) C13H20O A colorless to light yellow liquid with a boiling point of 126-128°C at 12 mmHg (1600 pascals); soluble in alcohol, ether, and mineral oil; used in perfumery, flavoring, and vitamin A production. Also known as irisone.

ionone


i·o·none

(ī'ō-nōn), 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- and one β-ionone moieties, β-carotene contains two β-ionone moieties, and γ-carotene contains one β-ionone moiety.

io·none

(ī'ō-nōn) One of two cyclic terpene ketones with an odor of violets or cedar wood.
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更新时间:2024/9/22 16:36:50