Essential oils of pakistani species of the family umbelliferae 5. prangos pabularia seed oil

Ashraf, M.; Bhatty, M.K.

Pakistan Journal of Scientific and Industrial Research 20(4-5): 300-302

1977


ISSN/ISBN: 0030-9885
Accession: 005384205

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Abstract
The essential oil of P. pabularia seed, with a yield of 0.2%, was examined for the 1st time with respect to its physico-chemical characteristics and chemical composition. The percentage composition of the essential oil is as follows: .alpha.-pinene (4.4%), camphene (traces), .beta.-pinene (0.2%), myrcene (7.5%), .DELTA.3-carene (1.7%), limonene (13.64%), .gamma.-terpinene (8.73%), .beta.-selinene (7.3%), .beta.-caryophyllene (3.1%), anethole (1.5%), fenchone (0.73%), unidentified esters (2.27%), cuminaldehyde (0.89%), borneol (12.8%), cumic acid (0.67%) and coumarins (21.0%). The water cohobation oil of the species is composed of .alpha.-pinene (2.1%), camphene (1.32%), .beta.-pinene (0.1%), myrcene (3.90%), .DELTA.3-carene (0.42%), limonene (6.7%), .gamma.-terpinene (4.3%), .beta.-selinene (5.3%), .beta.-caryophyllene (2.52%), anethole (0.8%), fenchone (2.38%), unidentified ester (0.25%), cuminaldehyde (3.2%), .alpha.-terpineol (2.53%), unidentified alcohol (5.75%), borneol (10.82%), cumic acid (4.3%) and coumarins (40.5%).