The activity of some oxidoreductases in Hordeum vulgare L. plants treated with ethylmethanesulfonate and Rosmarinus officinalis L. hydro-alcoholic extracts
Abstract
This paper focuses on the activity of some oxidoreductases (catalase, peroxidase, superoxide-
dismutase) in barley seedlings (Hordeum vulgare L.) after 6 hours of seeds treatment with different concentrations (0,01 –
0,50%) of ethyl-methane-sulfonate and 12 hours with hydro-alcoholic 0,5% rosemary (Rosmarinus officinalis L.) extract
(EHR). The EMS treatments led to an obvious increase of the superoxide dismutase, catalase and peroxidase activity in
plants, while the application of the hydro-alcoholic rosemary extract, after the EMS treatment, led to a significant
decrease of the activities of these enzymes, since the rosemary extract has an obvious antioxidant effect.
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