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Question (19482) | Natural Human Collagen I protein (ab7533)

I hve a question concerning ab7533 " human collagen I isolated from placenta". How is it isolated from the placenta? with acid? with proteolytic enzymes? with something else?

Regarding ab7533 (collagen I protein), this product has been prepared from human placenta by pepsin digestion. Please don't hesitate to contact us again if you have further questions.