The contamination of soil with metal ions and a content of biologically active compounds in the selected consumer plants
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Soil has been habitually the most common sink for wastes containing heavy metals . Higher metal ions concentration in plants caused several physiological and biochemical disorders including reduced growth and yield, nutrient uptake, changes in chloroplast ultrastructure and initiation of oxidative stress [2, 3]. Antioxidant enzymes are one mechanism plants have evolved as a response to metal-induced toxicity . For example, guaiacol peroxidase (POD), ascorbate peroxidase (APX), superoxidase dismutase (SOD), and catalase (CAT) significantly contribute to regulate the cellular redox homeostasis to a safe level . The present study investigates the biochemical effects of metal ions-poisoning on plants from a Lamiaceae and Brassicaceae families.
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