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Phytochemical Screening of Methanolic Extract of Five Libyan Date Varieties (Phoenix Dactylifera L.) And Evaluation of Their Antimicrobial Activity
Abstract
More than 2000 cultivars of Phoenix dactylifera L. are known to grow around the world. Date is an essential fruit in North Africa, and in Libya in particular, it represents an important national food resource. Recently, researchers discovered the medicinal value of different parts of palm tree beside the well known nutritional value of the fruit edible part. In this study five Libyan date seeds (Bestian, Deglet, Abel, Khadrai and Hamrai) were collected from Aljofra region and were screened for phytochemical components and their antimicrobial activity. The phytochemical analysis of methanolic extract of five different Libyan date palm seeds showed the presence of aflavnoids, glycosides, phytosterols, phenolic compound, tannins, and fixed oil, absences of alkaloids and saponine. The susceptibility of bacterial species to five methanolic extracts of Phoenix dactylifera L seeds by cup-cut agar method exhibited Inhibition zones (IZD). That inhibition zone diameters are vary from 15.0 ±0.3 to 3.02 ±0.01 against MRSA; 16.04±0.1 to 6.0 ± 0.7 against Pseudomonas aeruginosa; 14.2± 0.1 to 6.0±0.7 against Proteus vulgaris; 18.3 ±0.2 to 6.0 ±0.1 against Staphylococcus aureus; 14.04 ±0.2 to 2.0 ±0.02 against E. coli; and 18.0 ±0.1 to3.2 ±0.02 against Klebsiella pneumonia. The results of current study shows the antibacterial properties of five Libyan samples of date seed extract against a wide spectrum of bacteria.
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DOI: http://dx.doi.org/10.52155/ijpsat.v22.1.2017
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