项目 Items

指标 Index

性状Appearance

白色粉末状White powder

含量（总糖中）Assay

≥ 99.0%

水分Moisture Content

≤10.0%

灰分Residue on Ignition

≤0.1%

比旋光度Specific Rotation

+147°~+152°

重金属Heavy metal

≤4µg/g

砷As

≤1.0µg/g

一般生菌数Total bacteria count

≤100pcs/g

霉、酵母Moulds and yeasts

≤20pcs/g

大肠杆菌Escherichia coli

阴性Negative