Antioxidant effects of herbal extracts and their food application

Authors

  • Eva Ivanišová Slovak University of Agriculture in Nitra, Faculty of Biotechnology and Food Sciences, Department of Storage and Processing Plant Products, Tr. A. Hlinku 2, 94976 Nitra
  • Martina Fikselová Slovak University of Agriculture in Nitra, Faculty of Biotechnology and Food Sciences, Department of Food Hygiene and Safety, Tr. A. Hlinku 2, 949 76 Nitra
  • Vladimí­r Vietoris Slovak University of Agriculture in Nitra, Faculty of Biotechnology and Food Sciences, Department of Storage and Processing Plant Products, Tr. A. Hlinku 2, 94976 Nitra
  • Martin Mellen Ministerstvo pí´dohospodárstva a regionálneho rozvoja SR Dobrovičova 12 Bratislava

DOI:

https://doi.org/10.5219/75

Keywords:

food additive, herb, antioxidant effect, TEAC, deoxyribose test, DPPH

Abstract

Herbal extracts are considered as a good sources of antioxidant compounds. This work describes antioxidant effect of 15 kinds of herbs. Three different antioxidant assays were used, Trolox equivalent antiradical activity (TEAC), test based on deoxyribose oxidation and DPPH method. The TEAC values ranged from 0.38mM to 0.77 mM. Deoxyribose assay showed antioxidant activity of selected extracts expressed as the inhibition of formation of oxidative products of deoxyribose from 2.68 to 50.05 %.  The DPPH method values ranged from 6.47 to 73.80 %.

Extracts of Prunus spinosa L., Euphrasia rostkoviana Hayne were the best antioxidants confirmed by all methods. Scrophularia nodosa L. extract showed the weak antioxidant effect  determined by all selected methods. Phenolic content was in relation to the antioxidant effect of herbs, very high significancy between DPPH and polyphenols content was found. To improve selected properties of apple juice (taste, smell, functional properties) by addition of medicinal herbs was achieved in this work. Antioxidant effect  of  apple juice variants with herbs additions determined by DPPH method was high and ranged from 73 to 78.49 %. Herbal extracts can be utilised in selected combinations to improve sensory and functional properties of some kinds of beverages.

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Published

2010-11-13

How to Cite

Ivanišová, E. ., Fikselová, M. ., Vietoris, V. ., & Mellen, M. . (2010). Antioxidant effects of herbal extracts and their food application. Potravinarstvo Slovak Journal of Food Sciences, 4(4), 34-37. https://doi.org/10.5219/75

Issue

Vol. 4 No. 4 (2010): Potravinarstvo

Section

Articles

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