品名：γ-聚谷氨酸

Name: γ-polyglutamic acid

批号：20200613

Batch number: 20200613

检验日期：2020.06.13

Date of inspection: 2020.06.13

数量：15000kg

Quantity: 15000 kg

生产日期：2020.06.13

Production date: 2020.06.13

失效日期：20220612

Expiry date: 20220612

指标项目Indicators project

参考reference

检验结果inspection results

物理外观physical appearance

白色无定形结晶体或粉末

White amorphous crystal or powder

合格confrom

含量Content (GPC detection)

≥92%

合格confrom

分子量Molecular weight (Mw)

≥700 kDa

合格confrom

PH (1% solution)

5.0-7.0

合格confrom

透光率Transmittance (5mg/mL aqueous solution, 400nm)

≥95.0%

合格confrom

干燥后失重

Weight loss after drying（%） 

≤8.0%

合格confrom

重金属Heavy metals (by Pb)

≤40 ppm

合格confrom

菌落总数

Total colony count（TPC）

≤1000 CFU/g

合格confrom

酵母、霉菌Yeast and mold

≤100 CFU/g

合格confrom

致病菌Pathogenic bacteria

阴性negative

合格confrom