腐乳中乳酸菌的分离与鉴定

Separation and identification of lactic acid bacteria isolated from Sufu

文章主要对青方、白方和红方腐乳中的乳酸菌进行了分离鉴定。从青方和白方腐乳中分别分离到乳酸菌7株和5株,红方中没有分离到乳酸菌。鉴定结果表明,白方中4株为鼠李糖乳杆菌,1株清酒乳杆菌;青方中有1株为植物乳杆菌,1株干酪乳杆菌,3株鼠李糖乳杆菌,2株清酒乳杆菌。最后,对不同菌株的耐盐性和耐酒精性进行了测试。

The lactic acid bacteria in grey Sufu、white Sufu and red Sufu were separated and identify.Seven strains were isolated from grey Sufu,five strains were isolated from white Sufu,no one was isolated from red Sufu.The identification showed that four strains were Lactobacillus rhamnose and one was Lactobacillus sake in white Sufu.In grey Sufu,three strains were Lactobacillus rhamnose,two strains were Lactobacillus sake,the two other were Lactobacillus plantarum and Lactobacillus casei respectively.At last,the salt and alcohol tolerance of different strains were tested.