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|Section2= |Section3= |Section7= |Section8= }} 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 myrtle (90-98%), ''Litsea citrata'' (90%), ''Litsea cubeba'' (70-85%), lemongrass (65-85%), lemon tea-tree (70-80%), ''Ocimum gratissimum'' (66.5%), ''Lindera citriodora'' (about 65%), ''Calypranthes parriculata'' (about 62%), petitgrain (36%), lemon verbena (30-35%), lemon ironbark (26%), lemon balm (11%), lime (6-9%), lemon (2-5%), and orange.〔Fenaroli, G., Furia, T.E., Bellanca, N., ''Handbook of Flavor Ingredients'', ISBN 0-87819-532-7〕〔Lawless, J., ''The Illustrated Encyclopedia of Essential Oils'', ISBN 1-85230-661-0〕〔(The Aromatic Plant Project )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「citral」の詳細全文を読む スポンサード リンク
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