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In this research the nanocomposite antioxidant film of rice starch-halloysite nanoclay incorporated with Bene extract prepared and its physicomechanical and antioxidant properties were evaluated. For this purpose, the experiments were done according to central composite design based response surface methodology to assess the effects of halloysite concentration in the range of 0-10% w/w starch and Bene extract concentration in the range of 0-30% w/w starch on dependent variables containing tensile strength, elongation at break, water vapour permeability and antioxidant activity for bionanocomposite film. The obtained results revealed that in the studied range of halloysite concentration and Bene extract concentration, their linear effects on the dependent variables were significant (P