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Sesquiterpene hydrocarbons of cold-pressed lime oils

✍ Scribed by Wolfgang Feger; Herbert Brandauer; Herta Ziegler

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
60 KB
Volume
15
Category
Article
ISSN
0882-5734

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✦ Synopsis

The sesquiterpene hydrocarbon composition of cold!pressed lime oils of the Key lime "type A and B# and the Persian lime varieties were investigated[ a!Santalene\ g!curcumene\ b!selinene\ b!sesquiphellandrene and 6!epi!a!selinene were con_rmed as so far unknown trace constituents of cold!pressed lime oils[ The usage of unusually gentle GC conditions permitted the establishment of germacrenes A and C\ both thermally and chemically sensitive compounds\ as important constituents of cold!pressed lime oil for the _rst time[ This allowed to demonstrate that the germacrenes A\ B\ C and D make up ca 14) of the sesquiterpene fraction in expressed Key lime oil[ Usage of conventional GC conditions largely lead to the destruction of these heat!labile compounds\ which may be of organoleptic importance[ The employed detection method also allowed the identi_cation of germacrene!A in Chinese citronella oil [ Copyright Þ 1999 John Wiley + Sons\ Ltd[ KEY WORDS] Citrus aurantifolia Swingle^Citrus latifolia Tanaka^Rutaceae^cold!pressed lime oil\ ses! quiterpene hydrocarbons^germacrene!A^germacrene!C^citronella oil

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