Pepsin is a proteolytic enzyme product derived from porcine stomach linings.

Pepsin 1:10000 is equivalent to 10000 FCC units/mg.

10000 FCC U/mg = 1,67 U/mg USP = 1,67 U/mg Ph Eur = 1,67 U/mg FIP

Loss on Drying is ≤4,0%. pH (2%, Water) @25 °C is 3,0 to 4,5.