collagen

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.