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https://open.uns.ac.rs/handle/123456789/11398
Pоljе DC-а | Vrеdnоst | Јеzik |
---|---|---|
dc.contributor.author | Stanojević, Ljiljana | en_US |
dc.contributor.author | Stanković, Mihajlo | en_US |
dc.contributor.author | Nikolić, Vesna | en_US |
dc.contributor.author | Nikolić, Ljubiša | en_US |
dc.contributor.author | Ristić, Dušica | en_US |
dc.contributor.author | Čanadanović-Brunet, Jasna | en_US |
dc.contributor.author | Tumbas Šaponjac, Vesna | en_US |
dc.date.accessioned | 2020-03-03T14:44:13Z | - |
dc.date.available | 2020-03-03T14:44:13Z | - |
dc.date.issued | 2009-07-16 | - |
dc.identifier.issn | 14248220 | en_US |
dc.identifier.uri | https://open.uns.ac.rs/handle/123456789/11398 | - |
dc.description.abstract | The antioxidant activity of water, ethanol and methanol Hieracium pilosella L. extracts is reported. The antioxidative activity was tested by spectrophotometrically measuring their ability to scavenge a stable DPPH• free radical and a reactive hydroxyl radical trapped by DMPO during the Fenton reaction, using the ESR spectroscopy. Total phenolic content and total flavonoid content were evaluated according to the Folin- Ciocalteu procedure, and a colorimetric method, respectively. A HPLC method was used for identification of some phenolic compounds (chlorogenic acid, apigenin-7-O-glucoside and umbelliferone). The antioxidant activity of the investigated extracts slightly differs depending on the solvent used. The concentration of 0.30 mg/mL of water, ethanol and methanol extract is less effective in scavenging hydroxyl radicals (56.35, 58.73 and 54.35%, respectively) in comparison with the DPPH• radical scavenging activity (around 95% for all extracts). The high contents of total phenolic compounds (239.59-244.16 mg GAE/g of dry extract) and total flavonoids (79.13-82.18 mg RE/g of dry extract) indicated that these compounds contribute to the antioxidative activity. © 2009 by the authors. | en_US |
dc.language.iso | en | en_US |
dc.publisher | MDPI | en_US |
dc.relation.ispartof | Sensors | en_US |
dc.title | Antioxidant activity and total phenolic and flavonoid contents of Hieracium pilosella L. extracts | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.doi | 10.3390/s90705702 | - |
dc.identifier.scopus | 2-s2.0-77952477300 | - |
dc.identifier.url | https://api.elsevier.com/content/abstract/scopus_id/77952477300 | - |
dc.description.version | Published | en_US |
dc.relation.lastpage | 5714 | en_US |
dc.relation.firstpage | 5702 | en_US |
dc.relation.issue | 7 | en_US |
dc.relation.volume | 9 | en_US |
item.fulltext | No Fulltext | - |
item.grantfulltext | none | - |
crisitem.author.dept | Katedra za primenjene i inženjerske hemije | - |
crisitem.author.dept | Katedra za primenjene i inženjerske hemije | - |
crisitem.author.orcid | 0000-0003-1154-1366 | - |
crisitem.author.orcid | 0000-0003-1925-6500 | - |
crisitem.author.parentorg | Tehnološki fakultet | - |
crisitem.author.parentorg | Tehnološki fakultet | - |
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