Lactobacillus kefiranofaciens
Species of bacterium
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Through Fermentation
Contribution to kefir and other fermented products
L. kefiranofaciens produces kefiran, an extracellular polysaccharide that helps in creating a biofilm, or kefir granule. When combined with milk, kefir granules help produce the drink kefir. Kefir is a probiotic drink containing lactic and acetic acid bacteria as well as yeasts and is commonly known to help with intestinal health. Due to its diverse microbial composition, evidence indicates kefir could have numerous additional health benefits including regulating blood lipid levels and high blood pressure along with antimicrobial properties. L. kefiranofaciens is often included in starters for food/drink fermentation. There is no evidence of pathogenicity nor toxicity from kefir, leading to L. kefiranofaciens being widely regarded as a safe for ingestion and assisting in fermentation.
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Possible future applications
Evidence from a mice study indicates that through the gut microbiome's relationship to brain function, L. kefiranofaciens consumption could help improve symptoms related to depression. Continued research on Lactobacillus kefiranofaciens could lead to new approaches on depression treatment.