, 8 were bacillus sp.. Only one of them can produce bile salt hydrolase, it was lactobillus casei identified by micro station full automaticity.

• 对这15株菌进行复筛，最终筛选出一株能产胆盐水解酶的菌株，用全自动生化鉴定仪对这株菌做进一步的鉴定，其鉴定结果为干酪乳杆菌。