“…ISU films did not contain any other additives besides starch and averaged 112 fim (4 mil) thick, whereas ADM films contained a prooxidant and had an average thickness of 88 pm (3.5 mil). The actual starch content of ADM films was estimated to be 5.5 wt %, whereas that of ISU films was estimated to be 4.6 wt % (Fratzke et al, 1991).…”