地衣芽胞杆菌、枯草芽胞杆菌、蜡样芽胞杆菌和纳豆芽胞杆菌都能产生淀粉酶，以蜡样芽胞杆菌产生的淀粉酶较多。

• All bacteria we investigated could produce varying level amylase, the highest activity of amylase was from the Bacillus Cereus.