The present study describes the chemical composition of essential oils of Pistacia lentiscus L., collected from different regions of Eastern Morocco. The essential oils were obtained by hydro-distillation of the areal parts and analyzed by gas chromatography and gas chromatography coupled to a mass spectrometry. The study was conducted to determine the phytochemistry and antibacterial activities of oil from P. lentiscus leaves against both bacteria using the disc diffusion method. For Gram-negative, Salmonella sp., Klebsiella, Escherichia coli, and Pseudomonas, and for Gram-positive, Staphylococcus aureus, and Streptococcus were used as test bacterial strains. In the end, we completed the previous study by determining the minor and major mineral contents of leaves of P. lentiscus. The yield of P. lentiscus oil ranged between 0.13 and 0.23 %, with the chemical composition changing from one region to another. The variations are important between plant populations. The major oil components of PLL oil from Taforalt and Saidia (humid climate) were limonene and α-pinene, while myrcene, β-caryophyllene were found to be the major components of Laayoune and Jerada oil (semi-arid climate). For the mineral composition of PLL, the results show that trace element profiles of leaves from different regions differed significantly; the highest levels of K, Mg, Fe, and Ca were found in leaves of all locations, while the leaves collected from the Jerada region had the highest content of mineral substrates. This work also attempts to contribute to the knowledge of the nutritional properties of this plant; the results will be investigated for the evaluation of dietary information.
Research on Chemical Intermediates – Springer Journals
Published: Mar 16, 2013
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