Item | Specification | Frequency | Testing Method | |||
appearance | White or almost white powder | Every lot | GB/T 296022013 | |||
odor | odorless | Every lot | GB/T 296022013 | |||
Sieve analysis | 90%pass 80mesh | Every lot | Sieving by 80mesh | |||
Protein content | 90%min | Every lot | GB 5009.5 | |||
Molecular weight | 1000 Dmax | Every year | GB/T 22729 | |||
PH | 5.0-7.0 | Every lot | QB 2732-2005 | |||
Loss on drying | 5%max | Every lot | GB/T 5009.3 | |||
Ash | 2%max | Every lot | GB/T 5009.4 | |||
microorganism | ||||||
Total number of colonies | 100cfu/g max | Every lot | GB/T 4789.2 | |||
Mold and yeast | 50cfu/g max | Every lot | GB/T 4789.15 | |||
Escherichia coli | 0.3mpn/g max | Every lot | GB/T 4789.3 | |||
salmonella | Negative | Ramdom | GB/T 4789.4 | |||
Shigella | Negative | Ramdom | GB/T 4789.5 | |||
Vibrio parahaemolyticus | Negative | Ramdom | GB/T 4789.7 | |||
Staphylococcus aureus | Negative | Ramdom | GB/T 4789.10 | |||
Heavy metal | ||||||
Inorganic arsenic | 0.1ppm max | Ramdom | GB/T 5009.11 | |||
lead | 0.1ppm max | Ramdom | GB/T 5009.12 | |||
Shelf life | 2 years | |||||
Store in a cool and dry place, away from moisture and heat. |