Antioxidant Enzymes Activity and Anthocyanin Content in Fe2+-treated Lemon Balm Seedlings
Journal Title: International Journal of Farming and Allied Sciences - Year 2014, Vol 3, Issue 5
Abstract
Lemon balm (Melissa officinalis) is a perennial herb belonging to Lamiaceae family. This plant has many beneficial effects including anti-bacterial, anti-oxidative, anti-viral, anti-cancer, antiallergic and anti-inflammatory effects. In order to investigate the plant response to tentative oxidative stress, effects of different concentrations of Fe2+ (0, 10, 20, 30 and 40 µM) on and antioxdant enzymes activities as well as anthocyanin content were analyzed in M. officinalis seedlings after treatment for 24 h. Results show that the activities of peroxidase (POD) and superoxide dismutase (SOD) were higher than control while in the case of catalase (CAT) activity, all investigated subjects showed activities lower than control. Furthermore, treatment of M. officinalis 45-day-old seedlings with Fe2+ ions leads to a significant increase in anthocyanin content in comparison with control treatment. Therefore, it can be suggested that this plant seeks to attenuate the induced oxidative stress by augmenting enzymatic (by increasing CAT and SOD activities) and non-enzymatic (by increasing anthocyanin content) antioxidant system.
Authors and Affiliations
Keyvan Esmaeilzadeh-Salestani, Ali Riahi-Madvar and Mohammad Ali Maziyar
Keywords
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