Antioxidant and Antibacterial Activities of Zizyphus Jujuba L. Leaf Extracts
2024
Đurović, Vesna | Radenković, Sofija | Mandić, Leka | Radovanović, Mirjana | Pešaković, Marijana | Bošković, Ivana | Đukić, Dragutin
The aim of the present study was to investigate the biological activities of the extracts obtained from leaf of Ziziphus jujuba. To reach this purpose, total phenolic content (TPC), total flavonoid content (TFC), DPPH and ABTS radical scavenging activity, as well as antibacterial activity extracts were evaluated. The content of total phenols in leaf ranged from 22.71 to 28.69 mg GAE/g, the total content of flavonoids ranged from 5.15 mg RE/g to 8.25 mg RE/g depending on the applied extraction method. All extracts showed very high antioxidant activity. The ethanol extracts of Ziziphus jujuba leaf were screened for antibacterial activities against Salmonella typhimurium, Salmonella enteritidis, Listeria ivanovii, Listeria monocytogenes, Staphylococcus aureus and Pseudomonas aerogenes using microdilution method. Furthermore, the highest antibacterial activity was observed against Salmonella typhimurium and Salmonella enteritidis. The present results suggested the promising antioxidant and antibacterial properties of Ziziphus jujuba leaf extracts, which can be used in the fabrication of functional bioactive ingredients for different purposes.
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Editeur University of Kragujevac, Faculty of Agronomy, Čačak (Serbia)
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