Artículos de revistas
Chemical Composition Of Essential Oils Of Croton Hirtus L'her From Piauí (brazil)
Registro en:
Journal Of Essential Oil Research. , v. 24, n. 4, p. 371 - 376, 2012.
10412905
10.1080/10412905.2012.692908
2-s2.0-84864862156
Autor
De Lima S.G.
Medeiros L.B.P.
Cunha C.N.L.C.
Da Silva D.
De Andrade N.C.
Moita Neto J.M.
Lopes J.A.D.
Steffen R.A.
Araujo B.Q.
De Reis F.A.M.
Institución
Resumen
The essential oils from the fresh leaves of Croton hirtus from two locations, Teresina and Simões in Piauí State, located in northeastern Brazil were obtained by hydrodistillation and analyzed by gas chromatography-flame ionization detection (GC-FID) and gas chromatography-mass spectrometry (GC-MS) techniques and further confirmed by 1H and 13C NMR. The main compounds found in the oil of the leaves from C. hirtus collected at Simões were spathulenol (26.7%), E-caryophyllene (10.0%), bicyclogermacrene (9.5%), α-cadinol (7.7%) and cubenol (7.0%). At Teresina, the harvest was carried out in two different months and in three periods of the day, and E-caryophyllene (27.9- 37.3%), germacrene D (6.3-33.7%), α-cadinene (7.0-16.1%), δ-cadinene (1.8-13.5%) and α-humulene (3.6-4.6%) were identified as the major constituents. 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