{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T20:31:00Z","timestamp":1790195460294,"version":"4.1.0"},"reference-count":58,"publisher":"Wiley","license":[{"start":{"date-parts":[[2013,1,1]],"date-time":"2013-01-01T00:00:00Z","timestamp":1356998400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004901","name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de Minas Gerais","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004901","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Pr\u00f3-Reitorias de Pesquisa and P\u00f3s-Gradua\u00e7\u00e3o"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Oxidative Medicine and Cellular Longevity"],"published-print":{"date-parts":[[2013]]},"abstract":"<jats:p>The present study evaluated the antioxidant potential of<jats:italic>Vernonia condensata<\/jats:italic>Baker (Asteraceae). Dried and powdered leaves were exhaustively extracted with ethanol by static maceration followed by partition to obtain the hexane, dichloromethane, ethyl acetate, and butanol fractions. Total phenols and flavonoids contents were determined through spectrophotometry and flavonoids were identified by HPLC-DAD system. The antioxidant activity was assessed by DPPH radical scavenging activity, TLC-bioautography, reducing power of Fe<jats:sup>+3<\/jats:sup>, phosphomolybdenum, and TBA assays. The total phenolic content and total flavonoids ranged from 0.19 to 23.11\u2009g\/100\u2009g and from 0.13 to 4.10 g\/100\u2009g, respectively. The flavonoids apigenin and luteolin were identified in the ethyl acetate fraction. The IC<jats:sub>50<\/jats:sub>of DPPH assay varied from 4.28 to 75.10\u2009\u00b5g\/mL and TLC-bioautography detected the antioxidant compounds. The reducing power of Fe<jats:sup>+3<\/jats:sup>was 19.98 to 336.48\u2009<jats:italic>\u03bc<\/jats:italic>g\/mL, while the reaction with phosphomolybdenum ranged from 13.54% to 32.63% and 56.02% to 135.00% considering ascorbic acid and rutin as reference, respectively. At 30\u2009mg\/mL, the ethanolic extract and fractions revealed significant effect against lipid peroxidation. All these data sustain that<jats:italic>V. condensata<\/jats:italic>is an important and promising source of bioactive substances with antioxidant activity.<\/jats:p>","DOI":"10.1155\/2013\/698018","type":"journal-article","created":{"date-parts":[[2013,12,31]],"date-time":"2013-12-31T21:01:53Z","timestamp":1388523713000},"page":"1-9","source":"Crossref","is-referenced-by-count":18,"title":["<i>Vernonia condensata<\/i>Baker (Asteraceae): A Promising Source of Antioxidants"],"prefix":"10.1155","volume":"2013","author":[{"given":"Juc\u00e9lia Barbosa","family":"da Silva","sequence":"first","affiliation":[{"name":"Graduate Program in Pharmaceutical Sciences, Federal University of Juiz de Fora, Campus Universit\u00e1rio, 36036-330 Juiz de Fora, MG, Brazil"},{"name":"Faculty of Pharmacy, Federal University of Juiz de Fora, Campus Universit\u00e1rio, 36036-330 Juiz de Fora, MG, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vanessa dos 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