The exact saliva protein mix varies throughout the day, but the most abundant is amylase.

唾液蛋白的确切组合在一天中变化很大，但最丰富的是淀粉酶。

But fewer of the E. coli were able to successfully attach to the intestinal cells when a particular saliva protein, called histatin-5, was hanging around.

但是，当被称为“人富组蛋白”的特殊蛋白在周围时，附着在肠道细胞上的大肠杆菌数量就会减少。