Items

Specification

Appearance:

Off-white to yellowish powder

Odor:

Fish collagen odor

Clarity and color of solution

Clear-colorless to yellowish viscous solution

Solubility in water

Not less than 98%

Protein (on dried substance)

Not less than 90%

PH value

5.0- 6.5

Loss on drying

Not more than 8%

Ash

Not more than 2%

Heavy metals:

Not more than 20ppm

Arsenic

Not more than 2ppm

Microbial test

Total plate count

Yeast and moulds

E. coli

Salmonella

Not more than 1000/g

Not more than 100/g

Negative

Negative