In this test, 15 strains were isolated from the filtrate of kefir grains which can reduce cholesterol level, identified by physiological and biochemistry reaction and other indexes, 7 were coccus sp.

• 摘要本文从开菲尔粒中分离出15株能降低胆固醇的菌，通过生理生化反应以及其他指标对这15株菌株进行鉴定，其中7株为球菌，8株为杆菌。