Antioxidant activity of superoxide dismutase in spring barley grain
2010
Brezinova Belcredi, N.,Mendelova Univ., Brno (Czech Republic) | Ehrenbergerova, J.,Mendelova Univ., Brno (Czech Republic) | Vaculova, K.,Zemedelsky Vyzkumny Ustav, Kromeriz (Czech Republic)
Activity of superoxide dismutase (SOD) was assessed in grain samples of 12 varieties and lines of spring barley grown in two Czech localities (Zabcice, Kromeriz). In 2005, 2007, and 2008, field experiments were established in the locality Zabcice in two growing systems (with and without the application of pesticides) and in the locality Kromeriz without the application of pesticides. SOD activity was significantly affected by the varieties/lines, localities, years and their interactions. The treatment method did not significantly affect the SOD activity. Significantly higher SOD activity was in the hull-less line KM 1057 (143 U/g in the dry matter) than in the total set from both localities. On the contrary, significantly lower SOD activity was recorded in the hull-less variety Merlin (62 U/g in the dry matter) compared to the other varieties/lines. Malting varieties recommended for production of Czech Beer, Bojos and Tolar, also had higher SOD activity in grain.
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