alexa Chemical composition, cytotoxic activity and antimicrobial activity of essential oils of leaves and berries of Juniperus phoenicea L. grown in Egypt.


Journal of Addiction Research & Therapy

Author(s): elSawi SA, Motawae HM, Ali AM

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Abstract Hydrodistillation of berries and leaves of Juniperus phoenicea grown in Sinai yielded volatile oils in the yield of 0.36 and 1.96\%, respectively. Using gas chromatography/mass spectrometry technique, fifty eight compounds were identified in berry oil representing 99.2\% of the oil composition. alpha-Pinene was the major compound in berry oil (39.30\%) followed by sabinene (24.29\%). Berry oil composed mainly of monoterpenoids which amounted to 90.53\%, of which 72.85\% was monoterpene hydrocarbons. The sesquiterpenoids accounted for about 8\% of the total oil composition. Leaf oil was composed of about 66 compounds representing 99.16\% of the total composition of the oil. alpha-Pinene was the major constituent of leaf oil at concentration of 38.22\%, followed by alpha-cedrol (31.23\%). The monoterpene hydrocarbon was the predominant chemical group (41.29\%) followed by the oxygenated sesquiterpenes (32.21\%). Both oils showed very high cytotoxic activities against all cell line tested. They showed equal activities against brain (0.6 microg/ml) and cervix (5.0 microg/ml) human cell lines, while berry oil was slightly more active than leaf oil against lung (0.6 and 0.7 micro/ml, respectively), liver (0.7 and 0.9 microg/ml, respectively) and breast human cell lines (0.8 and 1. microg/ml, respectively).The antimicrobial activity and minimum inhibitory concentration (MIC) of leaf and berry oils were also determined. The oils showed high activity against most of the tested strains.
This article was published in Afr J Tradit Complement Altern Med and referenced in Journal of Addiction Research & Therapy

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