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Antioxidant Properties of European Cranberrybush Fruit (Viburnum opulus var. edule)
Department of Food Technology and Microbiology, Faculty of Technology, Tomas Bata University in Zlin, Namesti T. G. Masaryka 275, 762 72 Zlin, Czech Republic
Department of Breeding and Propagation of Horticultural Plants, Faculty of Horticulture, Mendel University in Brno, Valticka 337, 691 44 Lednice, Czech Republic
Department of Vegetables-Production, Horticulture and Landscape Engineering Faculty, Slovak University of Agriculture in Nitra, Tulipanova 7, 949 76 Nitra, Slovakia
Department of Natural and Informatics Sciences, Faculty of Central European Studies, Constantine the Philosopher University in Nitra, Drazovska 4, 949 74 Nitra, Slovakia
Department of Food Biochemistry and Analysis, Faculty of Technology, Tomas Bata University in Zlin, Namesti T. G. Masaryka 275, 762 72 Zlin, Czech Republic
* Author to whom correspondence should be addressed.
Received: 5 May 2010; in revised form: 22 June 2010 / Accepted: 22 June 2010 / Published: 23 June 2010
Abstract: In the literature there is little available information concerning European cranberrybush fruit (Viburnum opulus var. edule). This plant can be cultivated, even in harsh climatic conditions, because of its low environmental demands, and it is possible to harvest the fruit even in the snow cover. The aim of this study was to determine the content of polyphenolics, antioxidant activity, flavonoids and vitamin C in the fruit of three cultivars ´Leningradskaya otbornaya´, ´Souzga´ and ´Taezny rubiny´ of this species. In the case of polyphenolics, high contents [up to 8.29 g of gallic acid/kg of fresh mass (FM)] were observed. The 1,1´-diphenyl-2-picrylhydrazyl (DPPH) and 2,2´-azinobis-3-ethyl-benzthiazino-6-sulphonic acid (ABTS) tests were applied to determine antioxidant activity, which was also high in comparison with other fruit species. The corresponding correlations between the polyphenolic content and antioxidant activity were in case of the DPPH test r2 = 0.88 and for the ABTS test r2 = 0.98. For comparison, the scavenging activity towards reactive oxygen species (superoxide anion, hydroxyl radical and nitric oxide) was determined by using a 25% fruit extract of particular cultivars. Antioxidant efficiency was also assessed using the rat liver slice model. Furthermore, the contents of flavonoids and vitamin C were assayed, giving values of 4.89 g/kg and 1.64 g/kg FM, respectively. The work should contribute to the popularization of this species as a promising crop plant in human nutrition.
Keywords: European cranberrybush; phenolics; antioxidant activity; flavonoids; ascorbic acid
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Rop, O.; Reznicek, V.; Valsikova, M.; Jurikova, T.; Mlcek, J.; Kramarova, D. Antioxidant Properties of European Cranberrybush Fruit (Viburnum opulus var. edule). Molecules 2010, 15, 4467-4477.
Rop O, Reznicek V, Valsikova M, Jurikova T, Mlcek J, Kramarova D. Antioxidant Properties of European Cranberrybush Fruit (Viburnum opulus var. edule). Molecules. 2010; 15(6):4467-4477.
Rop, Otakar; Reznicek, Vojtech; Valsikova, Magdalena; Jurikova, Tunde; Mlcek, Jiri; Kramarova, Daniela. 2010. "Antioxidant Properties of European Cranberrybush Fruit (Viburnum opulus var. edule)." Molecules 15, no. 6: 4467-4477.