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Differential modulation of human intestinal bifidobacterium populations after consumption of a wild blueberry (Vaccinium angustifolium) drink.

  • 2013-08-19
  • Journal of Agricultural and Food Chemistry 61(34)
    • S. Guglielmetti
    • D. Fracassetti
    • Valentina Taverniti
    • C. Del Bo’
    • Stefano Vendrame
    • D. Klimis-Zacas
    • S. Arioli
    • P. Riso
    • M. Porrini

Abstract

Bifidobacteria are gaining increasing interest as health-promoting bacteria. Nonetheless, the genus comprises several species, which can exert different effects on human host. Previous studies showed that wild blueberry drink consumption could selectively increase intestinal bifidobacteria, suggesting an important role for the polyphenols and fiber present in wild blueberries. This study evaluated the modulation of the most common and abundant bifidobacterial taxonomic groups inhabiting the human gut in the same fecal samples. The analyses carried out showed that B. adolescentis, B. breve, B. catenulatum/pseudocatelulatum, and B. longum subsp. longum were always present in the group of subjects enrolled, whereas B. bifidum and B. longum subsp. infantis were not. Furthermore, it was found that the most predominant bifidobacterial species were B. longum subsp. longum and B. adolescentis. The results obtained revealed a high interindividual variability; however, a significant increase of B. longum subsp. infantis cell concentration was observed in the feces of volunteers after the wild blueberry drink treatment. This bifidobacterial group was shown to possess immunomodulatory abilities and to relieve symptoms and promote the regression of several gastrointestinal disorders. Thus, an increased cell concentration of B. longum subsp. infantis in the human gut could be considered of potential health benefit. In conclusion, wild blueberry consumption resulted in a specific bifidogenic effect that could positively affect certain populations of bifidobacteria with demonstrated health-promoting properties.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
BifidobacteriumIncreased Bifidobacterium longum and Bifidobacterium infantis CarriageBeneficial
Moderate
Bifidobacterium infantisImproved Gastrointestinal HealthBeneficial
Moderate
Bifidobacterium infantis BI02Relieved Intestinal ImpairmentsBeneficial
Moderate
Bifidobacterium infantis HA-116Increased Bifidobacterial PopulationsBeneficial
Moderate
Bifidobacterium infantis HA-116Reduced Gastrointestinal Disorder SymptomsBeneficial
Moderate
Bifidobacterium infantis MAK22B04IRelieved Gastrointestinal SymptomsBeneficial
Moderate
Bifidobacterium infantis SD-6720Reduced Gastrointestinal DisordersBeneficial
Moderate
Bifidobacterium infantis SD-6720Reduced Gastrointestinal SymptomsBeneficial
Moderate
Bifidobacterium infantis VPro 53Regression of Gastrointestinal DisordersBeneficial
Moderate
Bifidobacterium longum BL03Enhanced ImmunomodulationBeneficial
Moderate
Bifidobacterium longum BL03Reduced Gastrointestinal SymptomsBeneficial
Moderate
Bifidobacterium longum iVE-15Improved Gastrointestinal HealthBeneficial
Moderate
Bifidobacterium longum Rosell-175Relieved Gastrointestinal SymptomsBeneficial
Moderate
Bifidobacterium longum SP54Improved ImmunomodulationBeneficial
Moderate
Bifidobacterium longum SP54Reduced Gastrointestinal Disorder SymptomsBeneficial
Moderate
Bifidobacterium longum subsp. infantisRelieved Intestinal ImpairmentsBeneficial
Moderate
Bifidobacterium longum subsp. infantis M-63Improved ImmunomodulationBeneficial
Moderate
Bifidobacterium longum subsp. infantis M-63Relieved Intestinal ImpairmentsBeneficial
Moderate
Bifidobacterium longum subsp. longum 35624Reduced Gastrointestinal Disorder SymptomsBeneficial
Moderate
Bifidobacterium longum UABI-14Improved Gastrointestinal HealthBeneficial
Moderate

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