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    COMPOSITION OF MILK KEFIR GRAINS: BACTERIA & YEASTS

    Composition of Milk Kefir Grains: Bacteria & Yeasts



    WHAT ARE MILK KEFIR GRAINS?

     

    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. The make-up of kefir grains can vary depending on the culturing location and culturing conditions.

    This means the community of lactic acid bacteria and yeasts can be highly variable in batches of kefir cultured in different places by different people.

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

    BACTERIA STRAINS COMMON TO MILK KEFIR GRAINS

    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 

    YEAST STRAINS COMMON TO MILK KEFIR GRAINS

    Candida humilis

    Kazachstania unispora

    Kazachstania exigua

    Kluyveromyces siamensis

    Kluyveromyces lactis

    Kluyveromyces marxianus

    Saccharomyces cerevisiae

    Saccharomyces martiniae

    Saccharomyces unisporus

     

    Please note that this list is for general informational purposes only. Cultures for Health does 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 IN POWDERED KEFIR STARTER CULTURES

    If you are making kefir using a powdered kefir starter culture, you can find more information on the cultures' composition on the corresponding product pages.

     

    download our milk kefir and recipe book

    View Product Pages: Cultures for Health Kefir Starter Culture | Body Ecology Kefir Starter Culture

    * Sources