Kvasny Prum. 2010; 56(3): 127-130 | DOI: 10.18832/kp2010017

Antioxidant activity of superoxide dismutase in spring barley grain.Peer-reviewed article

Natálie BŘEZINOVÁ BELCREDI, Jaroslava EHRENBERGEROVÁ, Kateřina VACULOVÁ
1 Mendelova univerzita v Brně, Zemědělská 1, 613 00 Brno
2 Zemědělský výzkumný ústav Kroměříž, s. r. o., Havlíčkova 2787/121, 767 01 Kroměříž

Activity of antioxidant enzyme superoxide dismutase (SOD) was assessed in grain samples of 12 varieties and lines of spring barley grown in two localities (Žabčice, Kroměříž). In 2005, 2007, and 2008 field experiments were established in the locality Žabčice in two growing systems (with the application of pesticides, without application of pesticides) and in the locality Kroměříž without the application of pesticide. Activity of SOD was significantly affected by the varieties/lines, localities, years and their interactions. The treatment method did not affect the SOD activity statistically significantly. Significantly higher activity SOD (P = 0.05) was in the hull-less line KM 1057 (143 U.g-1 in the dry matter) compared to the total set from both the growing localities. On the contrary, significantly lower activity was recorded in the hull-less variety Merlin (62 U.g-1 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.Activity of antioxidant enzyme superoxide dismutase (SOD) was assessed in grain samples of 12 varieties and lines of spring barley grown in two localities (Žabčice, Kroměříž). In 2005, 2007, and 2008 field experiments were established in the locality Žabčice in two growing systems (with the application of pesticides, without application of pesticides) and in the locality Kroměříž without the application of pesticide. Activity of SOD was significantly affected by the varieties/lines, localities, years and their interactions. The treatment method did not affect the SOD activity statistically significantly. Significantly higher activity SOD (P = 0.05) was in the hull-less line KM 1057 (143 U.g-1 in the dry matter) compared to the total set from both the growing localities. On the contrary, significantly lower activity was recorded in the hull-less variety Merlin (62 U.g-1 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.

Keywords: barley, enzyme, superoxide dismutase, SOD, localities, treatment

Received: November 19, 2009; Accepted: January 7, 2010; Published: March 1, 2010 

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