Isolation and Identification of Lactic Acid Bacteria in Dingxi Tianpei
Lactic acid bacteria are isolated from traditional fermented tianpei in Dingxi city,Gansu province,and the species are identified by morphological observation,biochemical characteristics and 16S rDNA sequence analysis,in order to explore the group of lactic acid bacteria in Dingxi tianpei.The results show that a total of 30 strains of lactic acid bacteria are isolated from Tianpei,which are belonged to 8 genera,including Pediococcus、Lactiplantibacillu、Lacticaseibacillus、Weissella、Limosilactobacillus、Lentilactobacillus、Apilactobacillus and Enterococcus.It can be seen that the lactic acid bacteria in the fermented grains of Dingxi tianpei were rich in species with high diversity,and contained a large number of high-quality lactic acid bacteria resources to be developed.
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