List of Articles Antioxidant systems Open Access Article Abstract Page Full-Text 1 - The Effect of Water Deficit stress on Osmotic Metabolites and Anti Oxidant System and Grain and Oil Yield of Amaranth CV. Koniz Mehrdad Yarnia Open Access Article Abstract Page Full-Text 2 - Effect of Different Level of Auxin, Cytokinin and Gibberellin on Growth, Phenolic Compounds and Activity of Antioxidant Enzymes of Opuntia cylindrica Seyedeh Zohreh Miri Tahereh A. Aghajanzadeh Aryan Sateei Mehdi Ebadi