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Abstract

In present study, different assays have been used to evaluate antioxidant potential of various extracts of K. daigremontiana leaves prepared in different solvents and compared with their phenolic and flavonoid contents. The results of various antioxidant assays suggest that the butanol extract exhibits highest antioxidant potential as compared to other solvents (ethanol, dichloromethane, hexane and water). Results of ABTS•+ radical decolourization activity show that butanol extract of K. daigremontiana leaves exhibited strong activity with IC50 value 8.43 μg mL-1. As for lipid peroxidation inhibition studies again butanol extract exhibits highest potential (IC50, 0.97 μg mL-1) which is better than one of the standards gallic acid (IC50, 2.20 μg mL-1) and comparable to n-propyl gallate (IC50, 0.40 μg mL-1) and Trolox (IC50, 0.10 μg mL-1). Same fraction possessed maximum total phenolic contents (72 mg/100 g dry weight), while highest total flavonoid contents are observed in case of dichloromethane extract.

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Antioxidant potential Lipid peroxidation K. daigremontiana

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Shujaat, S., Chaudhary, S., & Sherin, L. (2017). Comparison of Antioxidant Potential, Total Flavonoid and Phenolic Contents of Different Extracts of Kalanchoe daigremontiana Leaves. Asian Journal of Organic & Medicinal Chemistry, 2(1), 5–8. https://doi.org/10.14233/ajomc.2017.AJOMC-P51
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