Citral, or 3,7-dimethyl-2,6-octadienal or lemonal, is either a pair, or a mixture of terpenoids with the molecular formula C10H16O. The two compounds are double bond isomers. The E-isomer is known as geranial or citral A. The Z-isomer is known as neral or citral B. == Occurrence == Citral is present in the oils of several plants, including lemon m...
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http://en.wikipedia.org/wiki/Citral
a pale yellow liquid, with a strong lemon odour, that occurs in essential plant oils and is used in perfumes and flavourings and in the manufacture ... [1 related articles]
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http://www.britannica.com/eb/a-z/c/88
A monoterpene aldehyde consisting of both geometric isomers found in oils from lemon, orange, verbena, and lemon grass; citral-A is the trans-isomer and citral-B is the cis-isomer (neral). ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: sit′răl Definitions: 1. A monoterpene aldehyde consisting of both geometric isomers found in oils from lemon, orange, verbena, and lemon grass; citral-A is the trans-isomer and citral-B is the cis-isomer (neral).
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http://www.medilexicon.com/medicaldictionary.php?t=17917
a pale yellow, water-insoluble, liquid aldehyde, CHO, having a strong lemonlike odor, consisting in natural form of two isomersusually obtained from the oils of lemon and orange or synthetically: used chiefly in perfumery, flavoring, and the synthesis of vitamin A.
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https://www.infoplease.com/dictionary/citral
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