【摘 要】
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Objective:To compare the phytochemical and antimicrobial activity of Ethiopian Kale leaves infusions,investigate the antioxidant activity and profile the major
【机 构】
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Department of Biotechnology,Department of Biotechnology
【基金项目】
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Addis Ababa Science and Technology University, Ethiopia for providing partial financial support (Grant Reference No-AASTU-SSRF-CBCE-BT-2018)。
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Objective:To compare the phytochemical and antimicrobial activity of Ethiopian Kale leaves infusions,investigate the antioxidant activity and profile the major phytochemicals existing in the better solvent system.Methods:Ethiopian Kale leaves were collected from Addis Ababa,Ethiopia,and extracted using different solvents.The qualitative phytochemical analysis,antibacterial assays,and Fourier Transform Infrared(FTIR) analysis are executed for all extracts.Antioxidant assay and Gas Chromatography-Mass Spectrometry (GC-MS) analysis are carried out for the solvent system,which showed better activity in preliminary studies.Results:The qualitative phytochemical analysis exposed the presence of different classes of phytocon-stituents in most of the tested extracts.The broad spectrum of antibacterial activity (7-15 mm) was noted against the tested bacterial species.The functional groups of the extracts are reported by FTIR anal-ysis.The antioxidant ability of ethanol extract was found to be (62.92 ± 0.34)％ for 2,2-diphenyl-1-picrylhydrazyl (DPPH*) assay and (71.12 ± 0.41)％ for 2,2-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) assay.More than 17 major phytocompounds in ethanol extract were profiled by GC-MS analysis.Conclusion:The ethanol extract of Ethiopian Kale leaves contain a good source of phytochemicals and it can be a significant source for various functional applications.
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