Bioactivity of the Essential Oil of Bupleurum fruticosum

Abstract
The essential oil of Bupleurum fruticosum was investigated qualitatively and quantitatively together with the anti-inflammatory activity of the whole essential oil and its major components. In addition, antispasmodic activity was determined in rat uterus preparations using acetylcholine and oxytocin as agonists. The anti-inflammatory activity shown by the essential oil can be attributed in part to the two major components, .alpha.-pinene and .beta.-pinene, although the presence of thymol and carvacrol, minor components capable of potentiating the action of these hydrocarbons, was also confirmed.

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