Histochemical investigation of Cochlospermum regium (Schrank) Pilg. leaves and chemical composition of its essential oil

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2014-05-19

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Taylor & Francis Ltd

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Essential oil from Cochlospermum regium (Schrank) Pilg. leaves (CR-EO) has been extracted by hydrodistillation; we analysed the CR-EO by gas chromatography coupled with mass spectrometry. We also conducted histochemical analysis on cross-sections of the central vein of young and adult leaves. A total of 32 compounds were qualitatively and quantitatively analysed, which represented 94.87% of the total CR-EO oil content. The CR-EO basically consisted of sesquiterpenes (96.87%); its main component was beta-copaen-4-alpha-ol (18.73%), followed by viridiflorol (12.67%). The histochemical analyses identified the main classes of compounds present in both young and adult leaves.

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Inglês

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Natural Product Research. Abingdon: Taylor & Francis Ltd, v. 28, n. 10, p. 727-731, 2014.

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