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https://open.uns.ac.rs/handle/123456789/12395
Title: | Antioxidant activities of different Teucrium montanum L. Extracts | Authors: | Čanadanović-Brunet, Jasna Đilas, Sonja Ćetković, Gordana Tumbas Šaponjac, Vesna Mandić, Anamarija Čanadanović, Vladimir |
Keywords: | Antioxidant activities;hydroxyl radical;lipid peroxyl radicals;phenols;Teucrium montanumL. | Issue Date: | Jun-2006 | Publisher: | Institute of Food Science & Technology | Journal: | International Journal of Food Science and Technology | Abstract: | The sequential extraction of Teucrium montanum L. was realised with five solvents of different polarities (70% methanol, petroleum ether, chloroform, ethyl acetate, and n-butanol) and HPLC method was used for identification of phenolic compounds. The total phenolic content of the extracts was determined spectrophotometrically according to the Folin-Ciocalteau procedure and range from 0 to 296 mg g -1 . The antioxidant activity of extracts was tested by measuring their ability to scavenge reactive hydroxyl radical during the Fenton reaction, using electron spin resonance (ESR) spectroscopy. Moreover, the influence of these extracts on lipid peroxyl radicals obtained during lipid peroxidation of: (1) sunflower oil (37°C, 3 h) induced by 4,4′-azobis(4-cyanovaleric acid) (ACVA) and (2) liposomes induced by 2,2′-azobis(2-amidino-propane)dihydrochloride (AAPH) was studied. n-Butanol extract, because of the highest content of total phenolic compounds (296 mg g -1 ) had the best antioxidant activity (100% at 0.16 mg mL -1 in Fenton reaction system; 90.57% at 5 mg mL -1 in system I; 100% at 5 mg mL -1 in system II). © 2006 Institute of Food Science and Technology Trust Fund. | URI: | https://open.uns.ac.rs/handle/123456789/12395 | ISSN: | 09505423 | DOI: | 10.1111/j.1365-2621.2006.01133.x |
Appears in Collections: | FINS Publikacije/Publications TF Publikacije/Publications |
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