Erythrina trypsin inhibitor (ETI) is a natural serine protease inhibitor, with high inhibitive activity to trypsin, chemotrypsin and tissue-type plasminogen activator (t-PA).

• 刺桐胰蛋白酶抑制剂(ETI)是一种丝氨酸蛋白酶抑制剂,可抑制胰蛋白酶、胰凝乳蛋白酶及组织纤溶酶原激活剂(t-PA)等。