Fish Collagen Protein Peptide Grade: food grade Raw material: fresh fish skin (mainly tilapias fish, others: grass carp, also cod fish) Character: tasteless, odorless, colorless and highly soluble Specification: 1. Appearance: Light white powder 2. Protein Content: ?5% 3. Molecular weight: 3KDa max, 4. Heavy Meta: Pb?.5 ppm; As?.3ppm; Hg?.50.5ppm. 5. Loss on drying: 2.0% 6. package: 1) Product is packaged in PE plastic bag then in non-toxic aluminum foil bag.