Comparison of antioxidant activity and polyphenolic content in different extracts of Nigella sativa, Nigella orientalis and Nigella damascena | Srovnání antioxidační aktivity a obsahu polyfenolů v různých extraktech Nigella sativa, Nigella orientalis a Nigella damascena
2011
Javorková, V., University of Veterinary and Pharmaceutical Sciences, Brno (Czech Republic). Faculty of Pharmacy, Department of Natural Drugs | Václavík, J. | Kubínová, R. | Muselík, J.
The antioxidant activity (AO) of methanolic, water and ethyl acetate extracts of different parts of Nigella sativa, N. orientalis and N. damascena (Ranunculaceae) was determined by colorimetric and chemiluminescence methods. The results were compared with the total content of polyphenols and flavonoids measured by means of standard colorimetric method. We found linear correlation between AO activity and the total content of polyphenols. From our results is clear that not only flavonoids are important for AO activity but also other polyphenols. The experiments showed interesting activities of green parts of herbs although nowadays only seeds are used in therapy.
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