Chemical composition of the essential oils form the aerial parts of Bupleurum gibraltarium Lam
Velasco-Negueruela, A. | Perez-Alonso, M.J. | Pala-Paul, J. | Camacho, A. | Fernandez Ocana, A.M. | Fernández, C. | Altarejos, L. | Altarejos, J.
The oils from the umbel rays, stems, leaves, fruits and the whole aerial parts of Bupleurum gibraltarium Lam. have been examined by means of GC/MS and retention indices. The dominant constituents in the oil from the whole aerial parts were found to be: alpha-pinene (5.9%), sabinene (9.2%), limonene (6.5%), 2,3,4-trimethylbenzaldehyde (17.2%), terpinen4-ol (5.1%), trans-chrysanthenyl acetate (4.7%), elemol (4.3%) and guaiol (5.3%). The major components of the umbel rays oil were: alpha-pinene (17.6%), sabinene (33.8%), limonene (7.3%), and 2,3,4-trimethylbenzaldehyde (8.4%). The stem oil was characterized by the presence of alpha-pinene (6.0%), sabinene (21.8%), limonene (7.2%), 2,3,4-trimethylbenzaldehyde (10.7%), guaiol isomer (5.1%), elemol (5.5%) and guaiol (5.4%). The leaf oil had as main components alpha-pinene (13.0%), sabinene (50%) and limonene (10.0%), whereas in the oil from the fruits, alpha-pinene (42.7%), sabinene (28.3%), and limonene (9.0%) were found to be the most important ones.
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