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

Ivana Capouchová, Barbora Burešová, Luboš Paznocht, Marie Eliášová, Kateřina Pazderů, Petr Konvalina, Matěj Satranský and Václav Dvořáček
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Ivana Capouchová: Department of Agroecology and Crop Production, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
Barbora Burešová: Department of Chemistry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
Luboš Paznocht: Department of Chemistry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
Marie Eliášová: Department of Chemistry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
Kateřina Pazderů: Department of Agroecology and Crop Production, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
Petr Konvalina: Department of Agroecosystems, Faculty of Agriculture, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
Matěj Satranský: Department of Agroecology and Crop Production, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
Václav Dvořáček: Crop Research Institute, Prague, Czech Republic

Plant, Soil and Environment, 2020, vol. 66, issue 7, 327-333

Abstract: 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 (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:66:y:2020:i:7:id:212-2020-pse

DOI: 10.17221/212/2020-PSE

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