项 目                                                                 指 标

白度（425nm蓝光反射率）,%                                           ≥75.0

细度(80目筛通过率),%                                                 ≥90.0

                                       木薯预糊化淀粉               ≥2000

                                       玉米、小麦预糊化淀粉        ≥10

酸度(中和10g干基淀粉消耗0.1mol/L氢氧化钠溶液的毫升数),mL        ≤20

蛋白质,%                                                              ≤0.5

斑点,个/cm2                                                           ≤8.0

水分,%                                                                ≤8.0

灰分,%                                                                ≤0.4

铅(以Pb计),mg/Kg                                                      ≤1.0

砷(以As计),mg/Kg                                                      ≤0.5

二氧化硫残留量,mg/Kg                                                 ≤30

黄曲酶毒素B1含量，μg/Kg                                             ≤5

菌落总数,cfu/g                                                        ≤1000

大肠菌群,MPN/100g                                                     ≤70

霉菌及酵母计数,cfu/g                                                 ≤200