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Abstract
The effects of γ-irradiation on wheat gluten were studied by means of gel filtration on Sephadex G-100, starch gel electrophoresis and analysis of amino acid composition. Analyses of gluten at a moisture content of 2% revealed no significant change in amino acid composition except for cystine which was decreased by about 8% with irradiation at 10 Mrad. Changes in the chromatogram from gel filtration were interpreted in terms of random depolymerization resulting from irradiation. The results of starch gel electrophoresis suggested that irradiation levels greater than 3 Mrad resulted in characteristic changes in the molecular configuration of gliadin components.