From glandular trichome of Rosa rugosa, three major sesquiterpene hydrocarbons [acora- 3(4),7(15)-diene, carota-4(5),ll(12)-diene (isodaucene) and carota-l,4-diene], and two minor [daucene and acora-3(4),7(8)-diene] were identified. The presence of these carotadienes, which are possibly precursors of the corresponding C-14-oxygenated carotanoids, suggested that the formation of the carotane skeleton followed by the regio-specific oxygenation at C-14 occur in the biosynthesis of R. rugosa carotanoids.
Keywords: Rosa rugosa; Glandular Trichome Exudate; Sesquiterpene Hydrocarbons; Carotanoid; Acoranoid
Received: 1991-12-2
Revised: 1992-2-21
Published Online: 2014-6-2
Published in Print: 1992-6-1
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