Assessment of the essential oil composition of Tornabenea annua, Tornabenea insularis and Tornabenea tenuissima fruits from Cape Verde Islands |
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Authors: | Clara Grosso, Generosa Teixeira, Isildo Gomes, Eurico S. Martins, Jos G. Barroso, Luis G. Pedro,A. Cristina Figueiredo |
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Affiliation: | Clara Grosso, Generosa Teixeira, Isildo Gomes, Eurico S. Martins, José G. Barroso, Luis G. Pedro,A. Cristina Figueiredo |
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Abstract: | The essential oils of Tornabenea annua, Tornabenea insularis and Tornabenea tenuissima herbarium or in vivo fruits, collected in Fogo, Santiago, Santo Antão, São Nicolau and São Vicente Islands, from Cape Verde archipelago, or from plants grown in Lisbon, Portugal, were isolated by hydrodistillation and analysed by GC and GC–MS. The yellowish oils were obtained in variable average yields, lower in herbarium samples [0.05% (v/w)] and higher from in vivo samples [1.3% (v/w)]. Whereas T. annua fruits' oils were all dominated by myristicin (92–100%), most of the T. insularis fruit samples' oils were elemicin rich (82–90%). No clear information could be obtained for T. tenuissima fruits' oils as each of the samples gave different chemical composition. Cluster analysis of the essential oil composition from the fruits' samples studied, confirmed these chemical differences. |
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Keywords: | Tornabenea annua Tornabenea insularis Tornabenea tenuissima Apiaceae Umbelliferae Fruits Essential oil GC GC– MS |
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