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  • Title: Chemical composition, cytotoxic activity and antimicrobial activity of essential oils of leaves and berries of Juniperus phoenicea L. grown in Egypt.
    Author: el-Sawi SA, Motawae HM, Ali AM.
    Journal: Afr J Tradit Complement Altern Med; 2007 Jun 10; 4(4):417-26. PubMed ID: 20161910.
    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.
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