Plant Soil Environ., 2020, 66(7):327-333 | DOI: 10.17221/212/2020-PSE

Antioxidant activity and content of selected antioxidant compounds in grain of different oat cultivarsOriginal Paper

Ivana Capouchová1, Barbora Burešová2, Luboš Paznocht2, Marie Eliášová2, Kateřina Pazderů ORCID...*,1, Petr Konvalina3, Matěj Satranský1, Václav Dvořáček4
1 Department of Agroecology and Crop Production, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
2 Department of Chemistry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
3 Department of Agroecosystems, Faculty of Agriculture, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
4 Crop Research Institute, Prague, Czech Republic

The total antioxidant activity (TAA), total contents of polyphenols (TPC), phenolic acids (TPA) and tocols (TTC) were determined in the grain of 5 oat cultivars of Czech origin grown under organic and conventional cropping systems in two-year experiments (2018 and 2019). The TPC ranged from 772.9 mg/kg DM (dry matter) (hulled oat cv. Seldon) to 890.6 mg/kg (naked oat cv. Patrik); the TPA from 261.6 mg/kg (cv. Seldon) to 479.0 mg/kg (cv. Patrik); the TTC from 110.9 mg/kg (hulled oat cv. Korok) to 126.5 mg/kg (cv. Seldon). The TAA ranged from 427.1 mg/kg (cv. Korok) to 474.9 mg/kg (cv. Seldon). Besides the effect of the cultivar, the TAA and antioxidant contents were significantly affected also by year (weather conditions); higher values were observed in the drier and warmer the year 2019. The effect of the cropping system was statistically insignificant.

Keywords: Avena sativa L.; vitamin E; phytochemical; fertilisation; nutritional quality

Published: July 31, 2020  Show citation

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Capouchová I, Burešová B, Paznocht L, Eliášová M, Pazderů K, Konvalina P, et al.. Antioxidant activity and content of selected antioxidant compounds in grain of different oat cultivars. Plant Soil Environ. 2020;66(7):327-333. doi: 10.17221/212/2020-PSE.
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