Appearance Light yellow powder
enzymatic activity ≥80U/mg
Fineness [0.4MM (39 mesh) standard size pass rate]b ≥80%
Dry weight loss ≤8.0%
insecticide HCH≤0.05
insecticide DDT≤0.02
Fungal toxin ≤10ppb
Arsenic (As) ≤3mg/kg
Leda (Pb) ≤5mg/kg
Cadmium（Cd） ≤0.5mg/kg
Dioxin ≤0.75mg/kg
Coliform microbiota ≤3000MPN/100g
Salmonella (25g sample) Cannot be detected
Eschichia coli (25g sample) Cannot be detected
一个单位对应在pH 6.0和25℃条件下，每分钟淀粉条件下释放1 μmol麦芽糖的所需的量