Note: There must be no trace of pathogenic or possibly pathogenic bacteria e.g. Escherichia coli and Enterobacter cloacae etc. The evaluation is carried out by microbiologists.

• 备注：禁止带有病原细菌或疑似病原细菌，例如大肠杆菌，产酸克雷伯氏菌等。测试由微生物家进行。