Studies on the essential oils of the pakistani species of the family umbelliferae part 10 bunium persicum siah zira seed oil

Karim, A.; Pervez, M.; Bhatty, M.K.

Pakistan Journal of Scientific and Industrial Research 20(2): 106-108

1977


ISSN/ISBN: 0030-9885
Accession: 006516358

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Abstract
The essential oil of B. persicum Boiss (Siah zira), a common plant of the cold arid regions of Pakistan, was studied for the first time with respect to its physicochemical constants and chemical composition. The seeds of B. persicum from Gilgit, Swat, Zarghoon and Ziarat contain 7.1, 5.3, 7.1 and 7.2% of essential oil, respectively. While the Gilgit, Swat and Zarghoon oils in this order contain .alpha.-pinene (0, 0.1 and 0.2%), .beta.-pinene (1.0, 0 and 0%), .DELTA.3-carene (0, 0.9 and 0.3%), limonene (0.3, 24.2 and 29.8%), .gamma.-terpinen (19.8, 28.9 and 25.0%), p-cymene (32.8, 14.4 and 12.4%), cuminaldehyde (22.5, 17.8 and 14.8%), 1-4,p-menthadiene-7-al (1,2,3 5 and 4.2%), 1.3 p-menthadiene-7-al (4.8, 5.6 and 7.2%), linalool (0, 2.0 and 0.4%) and euminyl alcohol (0, 1.0 and 5.7%) the Ziarat oil contains .alpha.-pinene (2.0%), .beta.-pinene (2.9%), .DELTA.3-carene (1.8%), limonene (3.6%), .beta.-phellanderene (0.6%), .gamma.-terpinene (24.0%), p-cymene (41.1%), myristicin (2.0%), dillapiole.(4.0%), linalool (16.0%) and carvacrol (1.0%). The seeds of B. persicum are comparable with cumin seeds as a species and yield a higher percentage of the essential oil.