International Research Journal of Natural Sciences (IRJNS)

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Antioxidant System Responses of the Coriander (Coriandrum Sativum) Plant To Chromium Toxicity (Published)

The aim of this study was to compare the effect of different doses of chromium on antioxidant system of the coriander. A total of the coriander seeds were divided among 3 groups. The cultivation of plants was occurred and treated with different concentrations of sulfate (0.4, 0.8 &1.6 mM magnesium sulfate) for 6 weeks until completely growth and ensure for healthy. Each treatment group was divided into three subgroups to handle treatment concentration of 0 µM, 50 µM and 100 µM chromium. Antioxidants (peroxidase, GSH, Ascorbic acid, ASPX, SOD and Catalase( and lipid peroxidation were recorded. All level of Cr treatments lead to numerically decreased in peroxidase, GSH, Ascorbic acid, ASPX, SOD of the coriander than the control. Furthermore, 100 µM of Cr treatments lead to numerically decreased in catalase of the coriander than the control. However, all level of Cr treatments led to numerically increase in lipid peroxidation of the coriander plant than the control. These adverse effects of chromium were encountered with increasing sulfur supply in the irrigation solution. Sulfur decreases the uptake of chromium in coriander plant. Sulfur also alleviates most harmful effect of chromium by enhancement of the antioxidative system (especially GSH content) in the coriander plant. The effect of sulfur was more effective at 50 µM Cr than 100 µM Cr. The two concentration of sulfur were both effective.

Keywords: Antioxidants, Chromium toxicity, coriander, sulfur

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