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https://open.uns.ac.rs/handle/123456789/10328
Title: | Tomato waste: A potential source of hydrophilic antioxidants | Authors: | Stajčić, Slađana Ćetković, Gordana Čanadanović-Brunet, Jasna Đilas, Sonja |
Issue Date: | Mar-2012 | Publisher: | Taylor & Francis Group | Journal: | International Journal of Food Sciences and Nutrition | Abstract: | Waste obtained from six genotypes of tomato was subjected to evaluation as potential sources of hydrophilic antioxidants on the basis of content of total phenolics (TPh; from 11.7 to 18.6 mg/g), total flavonoids (TFl; from 7.62 to 12.1 mg/g) and ascorbic acid (AA; from 0.51 to 1.89 mg/g), and antioxidant activities. The antioxidant activities of tomato waste extracts were evaluated using 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity, ferrous ion chelating activity (CA) and reducing power (RP) assay. The O2 tomato waste extract was found to have the strongest antioxidant activity in scavenging DPPH radicals (effective concentration, EC50 = 0.18 mg/ml). The Saint Pierre tomato waste extract showed the best performance in RP assay (EC50 = 1.57 mg/ml). The Rutgers tomato waste extract exhibited a strongest CA (EC50 = 1.49 mg/ml). The linear correlation analysis produced moderate-to-high correlation coefficients between the antioxidant activities and TPh, TFl and AA. © 2011 Informa UK, Ltd. | URI: | https://open.uns.ac.rs/handle/123456789/10328 | ISSN: | 09637486 | DOI: | 10.3109/09637486.2011.606211 |
Appears in Collections: | TF Publikacije/Publications |
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