Diversity and functional characteristics of lactic acid bacteria from traditional kefir grains

Kübra Purutoğlu, Hümeyra İspirli, Mustafa Onur Yüzer, Hüseyin Serencam, Enes Dertli*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

Traditional kefir grains were collected from distinct parts of Turkey, and their microbial profile was determined. A wide bacterial biota was observed formed by distinct lactic acid bacteria (LAB) in which Lactococcus lactis strains appeared to be dominant. Yeast species were also identified in kefir grains. Significant levels of antifungal and antibacterial activities were monitored in kefir isolates. All tested LAB produced an exopolysaccharide (EPS) containing glucose and galactose, and some strains formed a fructan-type EPS. Importantly, low levels of antibiotic resistance were observed among the kefir isolates.

Original languageEnglish
Pages (from-to)57-66
Number of pages10
JournalInternational Journal of Dairy Technology
Volume73
Issue number1
DOIs
Publication statusPublished - 1 Feb 2020
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2019 Society of Dairy Technology

Keywords

  • Exopolysaccharides
  • Functional roles
  • Kefir grains
  • Microbial diversity

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