公开(公告)号：US3893890A

公开(公告)日：1975-07-08

申请号：US40831773

申请日：1973-10-23

Applicant: NAT STARCH CHEM CORP

Inventor： WURZBURG OTTO B ,  SZYMANSKI CHESTER D ,  KURGER LEO

IPC: C12N9/99 ,  A61K31/74 ,  A61K31/795 ,  A61P1/04 ,  A61K19/00 ,  C12B1/00

CPC classification number: A61K31/795

Abstract: A process for inhibiting the action of pepsin is disclosed; said process essentially comprises treating the pepsin with watersoluble sulfonated polystyrene homopolymers and copolymers in an aqueous medium at a pH level less than 5.0.

Abstract translation: 公开了抑制胃蛋白酶作用的方法; 所述方法主要包括在pH值小于5.0的水性介质中用水溶性磺化聚苯乙烯均聚物和共聚物处理胃蛋白酶。