Composition of Milk Kefir Grains: Bacteria & Yeasts

 

Milk kefir grains are a combination of live bacteria and yeasts that exist in a symbiotic matrix on a surface of a complex polysaccharide with a casein core. Kefir grain make-up can vary depending on culturing location and conditions, resulting in a highly variable community of lactic acid bacteria and yeasts.

Following is a list of bacteria and yeast strains found to comprise kefir grains from different regions and through 2 different scientific studies.* The strains listed may include numerous subspecies and variants. 

Please note: this list is for general informational purposes only. We do not test individual batches of milk kefir grains for yeast and bacteria content; therefore we cannot make any guarantees as to the exact probiotic makeup of our milk kefir grains.


Bacteria

Lactobacillus acidophilus

Lactobacillus brevis

Lactobacillus casei

Lactobacillus delbrueckii subsp. bulgaricus

Lactobacillus delbrueckii subsp. delbrueckii

Lactobacillus delbrueckii subsp. lactis

Lactobacillus helveticus

Lactobacillus kefiranofaciens subsp. kefiranofaciens

Lactobacillus kefiri

Lactobacillus paracasei subsp. paracasei

Lactobacillus plantarum

Lactobacillus rhamnosus

Lactobacillus sake

Lactococcus lactis subsp. cremoris

Lactococcus lactis subsp. lactis

Lactococcus lactis

Leuconostoc mesenteroides subsp. cremoris

Leuconostoc mesenteroides subsp. dextranicum

Leuconostoc mesenteroides subsp. mesenteroides

Pseudomonas

Pseudomonas fluorescens

Pseudomonas putida

Streptococcus thermophilus 


Yeasts

Candida humilis

Kazachstania unispora

Kazachstania exigua

Kluyveromyces siamensis

Kluyveromyces lactis

Kluyveromyces marxianus

Saccharomyces cerevisiae

Saccharomyces martiniae

Saccharomyces unisporus

 

 

*Sources

http://ntur.lib.ntu.edu.tw/bitstream/246246/177589/1/04.pdf

http://depa.fquim.unam.mx/amyd/archivero/Kefir_1_12695.pdf

 

 

                                                
 SMJ  
Composition of Milk Kefir Grains


Related Articles

 

Related Products

Milk Kefir Grains Milk Kefir Grains
Milk Kefir Starter Kit Milk Kefir Starter Kit
The Art of Fermentation The Art of Fermentation

Free eBook Library Access & Weekly Newsletter


Sign up today for free access to our entire library of easy to follow eBooks on creating cultured foods at home, including Lacto-Fermentation, Kombucha, Kefir, Yogurt, Sourdough, and Cheesemaking.
  • Library of eBooks for making your own cultured foods
  • Weekly newsletter filled with tips & tricks
  • Expert advice articles, recipes, and how-to videos
  • Join 150,000+ other health-conscious readers
  • We never share your information!
first name last name email address