Chemical Characterization and Pharmacological Investigations of Medicago orbicularis Extract
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Date
2015-05-20
Authors
Saber Tardeh
Noor Abu-Ghdaib
Raghdah Janajreh
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Abstract
"Medicago orbicularis is an annual plant that grows in different regions including Palestine. So far very scarce publications on this plant are available in the medical literature. The aim of this project was to investigate the presence of the main phytochemical classes, and to screen some potential pharmacological effects. In this project the extract of Medicago orbicularis was found to contain proteins, carbohydrates, glycosides, flavonoids, phytosteroids, volatile oils, phenolic compounds, tannins and alkaloids. However, there was no detectable level of saponins. The extract of this plant showed a potent antioxidant activity with 80% inhibitory concentration (IC80) of 8.12 µg/ml, an antibacterial activity against the Gram positive bacteria S. aureus and MRSA with MIC of 12.5 and 25 mg/ml respectively, and an antibacterial activity against the Gram negative bacteria E. coli and P. aeruginosa with MIC of 50 and 25 mg/ml respectively. Further studies are recommended to pinpoint some of the active ingredients that could stand behind the observed pharmacological effects."