品名：γ-聚谷氨酸

Name: γ-polyglutamic acid

批號：20200613

Batch number: 20200613

檢驗日期：2020.06.13

Date of inspection: 2020.06.13

數(shù)量：15000kg

Quantity: 15000 kg

生產(chǎn)日期：2020.06.13

Production date: 2020.06.13

失效日期：20220612

Expiry date: 20220612

指標項目Indicators project

參考reference

檢驗結(jié)果inspection results

物理外觀physical appearance

白色無定形結(jié)晶體或粉末

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

重金屬Heavy metals (by Pb)

≤40 ppm

合格confrom

菌落總數(shù)

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

陰性negative

合格confrom