The impact of noni juice and grapefruit seed extract (Citrosept) on anaerobic intestinal microbiota

Aleksandra Duda-Chodak , Tomasz Tarko , Paweł Satora , Iwona Drożdż


The main aim of the study was to evaluate the impact of Morinda citrifolia L. (noni) juice and grapefruit seed extract (Citrosept) on the growth of representatives of human intestinal microbiota. Pharmaceuticals were added to liquid medium at a final concentration of 1.0, 2.5 or 5.0% and their impact on the bacteria number was assessed by measurement of the turbidity after 24 h of culture. Citrosept had the strongest impact. It inhibited the growth of Bacteroides galacturonicus even at lowest concentration of 1%. The number of Ruminococcus gauvreauii cells was reduced by ~20% only in cultures with 5% Citrosept. Noni juice had diversified impact. In case of Bacteroides galacturonicus, the addition of 5% noni juice to medium caused reduction of that bacteria number by ~30%,while Ruminococcus gauvreauii growth was slightly stimulated. Neither noni juice nor Citrosept influenced Bifidobacterium catenulatum growth. Concluding, dietary supplementation with some pharmaceuticals may exert a negative effect on human health instead of supporting it. The bioactive compound present in consumed pharmaceuticals can modulate the intestinal microbiota.
Author Aleksandra Duda-Chodak (FoFT / DoFTaTM)
Aleksandra Duda-Chodak,,
- Department of Fermentation Technology and Technical Microbiology
, Tomasz Tarko (FoFT / DoFTaTM)
Tomasz Tarko,,
- Department of Fermentation Technology and Technical Microbiology
, Paweł Satora (FoFT / DoFTaTM)
Paweł Satora,,
- Department of Fermentation Technology and Technical Microbiology
, Iwona Drożdż (FoFT / DoFTaTM)
Iwona Drożdż,,
- Department of Fermentation Technology and Technical Microbiology
Journal seriesPotravinárstvo, ISSN 1338-0230, (B 5 pkt)
Issue year2013
NoSpecial Issue
Publication size in sheets0.5
Keywords in Englishantibacterial activity, grapefruit seed, intestinal microbiota, noni
ASJC Classification1106 Food Science
Internal identifierWTŻ/2013/13
Languageen angielski
Not used for evaluationyes
Score (nominal)0
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2014 = 0.037
Citation count*
Additional fields
FinansowanieThis project has been supported by a grant (decision number DEC-2011/01/B/NZ9/00226) from the National Science Care (NCN) and by a Scholarship of Rector of University of Agriculture in Krakow.
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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