Screening,identification and microflora analysis of Lactic acid bacteria from Xinjiang traditional yogurts
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- Received Date:
February 19, 2014
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Abstract
Yogurt is one of the poplular dairy foods for minority nationalities in Xinjiang.Fifty- six Lactic acid bacteria were isolated from 22 yogurt samples collected from Xinjiang.They were identified by observation of morphological characteristics,physiological and biochemical tests,sugar fermentation tests,and sequence analysis of 16 S r DNA.The microflora in Xinjiang traditional yogurts include 46 strains of L.delbrueckii subsp,accounted for 82%,2 strains of L.fermentum,accounted for 4%,1 strains of Enterococcus faecalis,accounted for 2%,and 2 strains of Enterococcus canis,accounted for 4%.It indicateed that L.delbrueckii subsp was the dominant bacteria in Xinjiang traditional yogurts.
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