the hemolytic activity ( or concentration ) of the soap-like lysin obtained from blood is greater than that of the lysolecithin-like substance , but for plasma and serum the reverse is true , i.e . the red cells are involved in the production of the soap-like lysin , and probably supply some of it when acted upon by enzymes contained in plasma and serum .
C0032105
plasma
C0229671
serum