Analysis of the kefir and koumiss microbiota with the focus on certain functional properties of selected lactic acid bacteria

The aim of this research was to determine the microbiota of commercial kefir, koumiss and homemade kefir samples using metagenomic analysis and compare some probiotic properties of lactic acid bacteria isolated from these beverages and Lactobacillus casei, used in yakult production. One koumiss, 5 c...

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Main Authors: Biçer Yusuf, Uçar Gürkan
Format: Article
Language:English
Published: Croatian Dairy Union 2021-01-01
Series:Mljekarstvo
Subjects:
Online Access:https://hrcak.srce.hr/file/393978
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author Biçer Yusuf
Uçar Gürkan
author_facet Biçer Yusuf
Uçar Gürkan
author_sort Biçer Yusuf
collection DOAJ
description The aim of this research was to determine the microbiota of commercial kefir, koumiss and homemade kefir samples using metagenomic analysis and compare some probiotic properties of lactic acid bacteria isolated from these beverages and Lactobacillus casei, used in yakult production. One koumiss, 5 commercially available kefir beverages with different brands, and 1 homemade kefir were used as samples. Microbial diversity of kefir and koumiss samples were determined by metagenomic analysis, targeting V1-V2 region of 16S rRNA gene. Streptococcus thermophilus and Lactococcus lactis were detected as dominant in direct DNA isolation from commercially available kefir beverages. Lc. lactis and Leuconostoc mesenteroides were dominant in MRS agars, and Lc. lactis were dominant in M17 agars. In kefir beverages produced by kefir grains, Lb. kefiranofaciens was determined as the dominant bacteria. Lb. kefiri and Enterococcus durans were found dominant in MRS and M17 agars respectively. Lb. kefiranofaciens, Lb. kefiri, and Str. thermophilus were the dominant bacterias of koumiss beverages. Microorganisms isolated from kefir and koumiss beverages were found to exhibit basic probiotic properties, similar to the lactic acid bacteria isolated from yakult. This research presented bacterial microflora and probiotic properties of lactic acid bacteria isolated from kefir and koumiss beverages consumed in Turkey.
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spelling doaj-art-1fa54e0b7e994b71beacf74cc8ae2bcf2025-08-20T02:04:14ZengCroatian Dairy UnionMljekarstvo0026-704X1846-40252021-01-01712112123Analysis of the kefir and koumiss microbiota with the focus on certain functional properties of selected lactic acid bacteriaBiçer YusufUçar GürkanThe aim of this research was to determine the microbiota of commercial kefir, koumiss and homemade kefir samples using metagenomic analysis and compare some probiotic properties of lactic acid bacteria isolated from these beverages and Lactobacillus casei, used in yakult production. One koumiss, 5 commercially available kefir beverages with different brands, and 1 homemade kefir were used as samples. Microbial diversity of kefir and koumiss samples were determined by metagenomic analysis, targeting V1-V2 region of 16S rRNA gene. Streptococcus thermophilus and Lactococcus lactis were detected as dominant in direct DNA isolation from commercially available kefir beverages. Lc. lactis and Leuconostoc mesenteroides were dominant in MRS agars, and Lc. lactis were dominant in M17 agars. In kefir beverages produced by kefir grains, Lb. kefiranofaciens was determined as the dominant bacteria. Lb. kefiri and Enterococcus durans were found dominant in MRS and M17 agars respectively. Lb. kefiranofaciens, Lb. kefiri, and Str. thermophilus were the dominant bacterias of koumiss beverages. Microorganisms isolated from kefir and koumiss beverages were found to exhibit basic probiotic properties, similar to the lactic acid bacteria isolated from yakult. This research presented bacterial microflora and probiotic properties of lactic acid bacteria isolated from kefir and koumiss beverages consumed in Turkey.https://hrcak.srce.hr/file/393978kefirkoumisslactic acid bacteriametagenomic analysis
spellingShingle Biçer Yusuf
Uçar Gürkan
Analysis of the kefir and koumiss microbiota with the focus on certain functional properties of selected lactic acid bacteria
Mljekarstvo
kefir
koumiss
lactic acid bacteria
metagenomic analysis
title Analysis of the kefir and koumiss microbiota with the focus on certain functional properties of selected lactic acid bacteria
title_full Analysis of the kefir and koumiss microbiota with the focus on certain functional properties of selected lactic acid bacteria
title_fullStr Analysis of the kefir and koumiss microbiota with the focus on certain functional properties of selected lactic acid bacteria
title_full_unstemmed Analysis of the kefir and koumiss microbiota with the focus on certain functional properties of selected lactic acid bacteria
title_short Analysis of the kefir and koumiss microbiota with the focus on certain functional properties of selected lactic acid bacteria
title_sort analysis of the kefir and koumiss microbiota with the focus on certain functional properties of selected lactic acid bacteria
topic kefir
koumiss
lactic acid bacteria
metagenomic analysis
url https://hrcak.srce.hr/file/393978
work_keys_str_mv AT biceryusuf analysisofthekefirandkoumissmicrobiotawiththefocusoncertainfunctionalpropertiesofselectedlacticacidbacteria
AT ucargurkan analysisofthekefirandkoumissmicrobiotawiththefocusoncertainfunctionalpropertiesofselectedlacticacidbacteria