1·Proteins in food are broken down into smaller peptide chains by digestive enzymes such as pepsin and dipeptidase.
食物中的蛋白质被消化酶分解成小肽链，如胃蛋白酶和二肽酶。
2·Test the gastric acid secretion, PH, total gastric acidity value, total pepsin activity of change after irrigation.
测定给药后大鼠胃液分泌量、胃酸ph、胃液总酸度值、胃蛋白酶活性的变化。
3·Methods: Appropriated animal models were used to observe the effect of Dangma 5 Capsule on analgesic, anti diarrhea, intestinal absorption, pepsin activity and anti ulceration.
方法：采用相应的药理学模型研究当玛- 5胶囊在镇痛、止泻、小肠吸收、胃蛋白酶活力、抗溃疡等方面的作用。
4·Early stages of digestion take place in the stomach where pepsin and lipase aid in digesting protein and fat.
消化的初期阶段在胃里进行，在这里胃蛋白酶和脂肪酶帮助消化蛋白质和脂肪。
5·Ulcer is caused by the bacteria called Helicobacter pylori and by excessive internal secretions of gastric acid and pepsin .
溃疡是由细菌引起的称为幽门螺杆菌与胃酸分泌过多、胃蛋白酶的内部。