Solid-phase microextraction of volatile compounds from flowers of two Brunfelsia species |
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Authors: | Cé dric Bertrand,Gilles Comte,Florence Piola |
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Affiliation: | 1. Centre d''Etude des Substances Naturelles, UMR 5557, Université Claude Bernard Lyon 1, 43 Bd du 11 novembre 1918, 69622 Villeurbanne Cedex, France;2. Génome et Evolution des Plantes Supérieures EA-3731, Université Claude Bernard Lyon 1, 43 Bd du 11 novembre 1918, 69622 Villeurbanne Cedex, France |
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Abstract: | Two plant species belonging to the genus Brunfelsia, commonly known as “Yesterday-Today-and-Tomorrow”, are closely related, however, differ by their flower fragrance. Flowers of Brunfelsia australis present a pleasant fragrance, whereas flowers of Brunfelsia pauciflora are scentless. SPME/GC/MS analysis on flower samples of both species of Brunfelsia indicated that flowers of B. australis emitted a fresh flowery fragrance, essentially comprising two monoterpenic compounds (linalool and (E)-ocimene). B. pauciflora, on the other hand, produced only a few sesquiterpenoids. These results are considered in an ecological and evolutionary context. |
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Keywords: | Brunfelsia Floral volatiles SPME/GC/MS |
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