Plant catalases exhibit spatial and temporal distribution of their activity. Moreover, except from the typical monofunctional catalase, a bifunctional catalase-peroxidase has been reported. The aim of this study was to investigate whether the leaf and root catalases from six different plant species (Lactuca sativa, Cichorium endivia, Apium graveolens, Petroselinum crispum, Lycopersicon esculent...

experimental and epidemiological evidences implicate the involvement of oxygen derived radicals in the pathogenesis of cancer development. oxygen derived radicals are able to cause damage to membranes, mitochondria and macromolecules including proteins, lipids and dna. accumulation of dna damages has been suggested to contribute to carcinogenesis. it would, therefore, be advantageous to pinpoin...