Action ► Leaves and bark— febrifugal, astringent, diuretic, antihypertensive.
Oil—preparations are used for cho-langiitis, cholecystitis, cholelithiasis, icterus, flatulence, meteorism, lack of bacteria in the intestines. Demulcent and mild laxative. Externally used for wound dressing and for minor burns, psoriasis and pruritus. (Included among unapproved herbs by German Commission E.)
Chemical investigations of two vari-eties—Ascotrinia and Ascolina— grown in Jammu region have shown that the characteristics of fruits and their oils are similar to those of European varieties.
Leaves of Olea europaea gave iri-doid monoterpenes including oleu-ropein and oleuroside; triterpenes including oleanolic and maslinic acids; flavonoids including luteolin and api-genine derivatives. The oil contains glycerides of oleic acid about 70-80%, with smaller amounts of linoleic, palmitic and stearic acid glycerides.
The leaves exhibited hypotensive, antiarrhythmic and spasmolytic activities in animal studies. The oil exhibited contraction of gallbladder due to raising of the cholecystokinin level in the plasma.
India's requirements of olive oil are met by imports.
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