Our Hydrolyzed fish collagen is extracted from selected fish skins. Animal(land) collagen has represented high health risk. Compare to Animal (land) collagen, fish collagen is more safe.
Average molecular weight of our product is 1000 Da, Protein percent 95%,Hydroxyproline >=9.5%

Fish collagen quality standard is following:

• 
  Item,                                 Standard
  Appearance:                  White powder
  Odor No:                       Off-smell
  Total Protein (%)           ≥95
  PH                                5.5-6.5
  Moisture (%)                  ≤4.6
  Fat (%)                         ≤0.5
  Ash (%)                        ≤2.0
  Heavy Metals (ppm)        ≤0.2
  Molecular weight (DAL)   1000
  Hydroxyproline(%)          ≥9.5
  Total Bacterias (cfu/g)     ≤1000
  Mildew Amount (cfu/g)    ≤50
  As(%)                            ≤0.6
  Pb(%)                            ≤0.05

• Amino acid:   Content(%)
  Asp:               5.75
  Glu:               11.23
  Ser:                3.72
  His:                1.05
  Gly:                20.02
  Thr:                 2.61
  Arg:                6.84
  Ala:                10.0
  Tyr:                 0.5
  Cys:                3.46
  Val:                 2.33
  Met:                1.07
  Phe:                0.99
  Ile:                  1.17
  Leu:                2.65
  Lys:                3.61
  Hyp:                9.64
  Pro:                10.52
  Total:             97.16

If you are interested in our product, we can send you 100g sample,100g 's free,but you need to pay for the freight cost. For more information please contact us.