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- W2040303753 abstract "The decoction of the whole plant of Elephantopus mollis Kunth. is traditionally consumed to treat various free radical-mediated diseases including cancer and diabetes. This study was initiated to determine whether the most effective antioxidant compound isolated from the whole plant of Elephantopus mollis can also contribute to its claimed traditional values as anticancer and antidiabetes agents. An active antiradical phenolic compound (3,4-di-O-caffeoyl quinic acid) was isolated from the methanol extract (with the highest in polyphenolic content) and their antioxidant activities were compared using four different assays, that are DPPH, FRAP, metal chelating, and β-carotene bleaching tests. The compound was also evaluated for its cytotoxic activity, apoptotic induction and anti-glucosidase efficacies using methylene blue, DeadEnd™ assay and α-glucosidase assays, respectively. The compound acted as a greater primary antioxidant than its methanol extract, by having higher ferric reducing activity (EC50 2.18 ± 0.05 μg/ml), β-carotene bleaching activity (EC50 23.85 ± 0.65 μg/ml) and DPPH scavenging activity (EC50 68.91 ± 5.44 μg/ml), whereas the methanol extract exhibited higher secondary antioxidant activity as a metal chelator with lower EC50 value (49.39 ± 3.68 μg/ml) than the compound. Cytotoxicity screening of this compound exhibited a remarkable dose-dependent inhibitory effect on NCI-H23 (human lung adenocarcinoma) cell lines (EC50 3.26 ± 0.35 μg/ml) and was found to be apoptotic in nature based on a clear indication of DNA fragmentation. This compound also displayed a concentration-dependent α-glucosidase inhibition with EC50 241.80 ± 14.29 μg/ml. The findings indicate the major role of 3,4-di-O-caffeoyl quinic acid to antioxidant capacities of Elephantopus mollis extracts. The compound also exerted apoptosis-mediated cytotoxicity and α-glucosidase inhibitory effects and is thus a promising non toxic agent in treating cancer and type 2 diabetes mellitus." @default.
- W2040303753 created "2016-06-24" @default.
- W2040303753 creator A5013998727 @default.
- W2040303753 creator A5015332413 @default.
- W2040303753 creator A5062980871 @default.
- W2040303753 creator A5041280474 @default.
- W2040303753 date "2011-06-01" @default.
- W2040303753 modified "2023-10-10" @default.
- W2040303753 title "Cytotoxic, apoptotic and anti-α-glucosidase activities of 3,4-di-O-caffeoyl quinic acid, an antioxidant isolated from the polyphenolic-rich extract of Elephantopus mollis Kunth." @default.
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- W2040303753 doi "https://doi.org/10.1016/j.jep.2011.04.001" @default.
- W2040303753 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/21497647" @default.
- W2040303753 hasPublicationYear "2011" @default.