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Open AccessArticle

Antioxidant Profile of Trifolium pratense L.

Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, Trg Dositeja Obradovica 3, Novi Sad 21000, Serbia
Middle European High School, Kráľovská 386/11, Skalica 90901, Slovakia
Department of Environmental Protection, Faculty of Technical Sciences, Trg Dositeja Obradovica 3, Novi Sad 21000, Serbia
Author to whom correspondence should be addressed.
Molecules 2012, 17(9), 11156-11172;
Received: 20 August 2012 / Revised: 5 September 2012 / Accepted: 7 September 2012 / Published: 18 September 2012
In order to examine the antioxidant properties of five different extracts of Trifolium pratense L. (Leguminosae) leaves, various assays which measure free radical scavenging ability were carried out: 1,1-diphenyl-2-picrylhydrazyl, hydroxyl, superoxide anion and nitric oxide radical scavenger capacity tests and lipid peroxidation assay. In all of the tests, only the H2O and (to some extent) the EtOAc extracts showed a potent antioxidant effect compared with BHT and BHA, well-known synthetic antioxidants. In addition, in vivo experiments were conducted with antioxidant systems (activities of GSHPx, GSHR, Px, CAT, XOD, GSH content and intensity of LPx) in liver homogenate and blood of mice after their treatment with extracts of T. pratense leaves, or in combination with CCl4. Besides, in the extracts examined the total phenolic and flavonoid amounts were also determined, together with presence of the selected flavonoids: quercetin, luteolin, apigenin, naringenin and kaempferol, which were studied using a HPLC-DAD technique. HPLC-DAD analysis showed a noticeable content of natural products according to which the examined Trifolium pratense species could well be regarded as a promising new source of bioactive natural compounds, which can be used both as a food supplement and a remedy. View Full-Text
Keywords: Trifolium pratense; antioxidant activity; flavonoids; biochemical parameters Trifolium pratense; antioxidant activity; flavonoids; biochemical parameters
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MDPI and ACS Style

Kaurinovic, B.; Popovic, M.; Vlaisavljevic, S.; Schwartsova, H.; Vojinovic-Miloradov, M. Antioxidant Profile of Trifolium pratense L. Molecules 2012, 17, 11156-11172.

AMA Style

Kaurinovic B, Popovic M, Vlaisavljevic S, Schwartsova H, Vojinovic-Miloradov M. Antioxidant Profile of Trifolium pratense L. Molecules. 2012; 17(9):11156-11172.

Chicago/Turabian Style

Kaurinovic, Biljana; Popovic, Mira; Vlaisavljevic, Sanja; Schwartsova, Heidy; Vojinovic-Miloradov, Mirjana. 2012. "Antioxidant Profile of Trifolium pratense L." Molecules 17, no. 9: 11156-11172.

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