胰激肽原酶，存在于哺乳动物胰腺等器官及尿液分泌物中，是激肽体系中的一个组成部分，又称血管舒缓素或胰激肽释放酶，从动物胰腺中提取的一种蛋白水解酶，属蛋白水解酶类。由18中氨基酸和4种糖所组成，分子量26800。有扩张血管、改善血液循环和微循环以及防止血栓形成的作用

Kallidinogenase, which exists in organs and urine secretions such as the mammalian pancreas, is an integral part of the antipeptide system, also known as angiosososotic or pancreatic peptide release enzyme, a proteolytic enzyme extracted from the animal pancreas, which is a proteolytic enzyme. Consisting of 18 amino acids and 4 kinds of sugars, molecular weight 26800. Has the effect of dilating blood vessels, improving blood circulation and microcirculation, and preventing thrombosis.