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Article Publish Status: FREE
Abstract Title:

from Tunisia: Phytochemical and Physicochemical Properties and Biological Activities.

Abstract Source:

Biomed Res Int. 2018 ;2018:6251546. Epub 2018 Jan 15. PMID: 29568760

Abstract Author(s):

Mohamed Makni, Raoua Jemai, Walid Kriaa, Yassine Chtourou, Hamadi Fetoui

Article Affiliation:

Mohamed Makni

Abstract:

Natural plant extracts contain a variety of phenolic compounds which are assigned various biological activities. Our work aims to make a quantitative and qualitative characterization of the Zest (ZL) and the Flesh (FL) of lemon, to valorize the pharmacological uses of lemon, by evaluatingactivities (DPPH, free radical scavenging and reducing power). The antibacterial, antifungal, and antiproliferative activities were sought in the ability ofextracts to protect DNA and protein. We found that the ZL contains high amounts of phenolics responsible for the important antioxidant properties of the extract. However, the FL is richer in flavonoids than the ZL. The FL extract was also found to be more effective than the ZL in protecting plasmid DNA against the strand breakage induced by hydroxyl radicals. We also concluded that the FL extract exhibited potent antibacterial activity unlike ZL. Analysis by LC/MS-MS identified 6 compounds (Caffeoyl N-Tryptophan, Hydroxycinnamoyl-Oglucoside acid, Vicenin 2, Eriocitrin, Kaempferol-3-O- rutinoside, and Quercetin-3-rutinoside). These preliminary results showed thathas antibacterial and antioxidant activity. It would be interesting to conduct further studies to evaluate thepotential in an animal model.

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