Purification and MIC analysis of antimicrobial proteins from Cucumis sativus L. seeds

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Background: Cucumis sativus L. (cucumber), from the family Cucurbitaceae, is a therapeutic plant with various pharmacological benefits, broadly utilized as a part of complementary medicine (e.g., Unani, Ayurveda, Siddha, and Traditional Chinese). In light of past research discoveries, this plant had been chosen to consider its potential antibacterial action. Methods: Extracts were purified by dialysis and ion exchange chromatography strategy and then assayed for antibacterial activity against four standard pathogenic bacterial strains known to cause foodborne infections and spoilage of food and herbal drugs. Antimicrobial peptides were extracted from seeds using a sodium phosphate citrate (pH 7.2) - CTAB cradle (pH 6.0). Results: The highest protein concentration was seen with elute fractions 1 and 3 (370 mg/mL) compared with elute fractions 2 and 4 (340 mg/mL). Among the bacteria utilized, E. coli was clearly the most sensitive out of selected four strains. Conclusion: Our results suggest that Cucumis sativus L seeds extracts have significant potentials as new antimicrobial agents.




Al Akeel, R., Mateen, A., Alharbi, K. K., Alyousef, A. A., Al-Mandeel, H. M., & Syed, R. (2018). Purification and MIC analysis of antimicrobial proteins from Cucumis sativus L. seeds. BMC Complementary and Alternative Medicine, 18(1). https://doi.org/10.1186/s12906-018-2176-y

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