iron reduction 0.01 12.56 0.48 12.40 0.71 11.69 0.71 11.82 1.19 9.70 0.01 13.01 0.48 12.20 1.44 9.23 0.71 11.41 1.19 9.12 0.01 12.80 1.44 9.14 1.19 9.53