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Is microencapsulation the future of probiotic preparations? The increased efficacy of gastro-protected probiotics

Mario Del Piano1, Stefania Carmagnola, Marco Ballarè

  • 1Gastroenterology Unit, Maggiore della Carità Hospital, Novara, Italy. mario.delpiano@alice.it

Gut Microbes
|June 4, 2011
PubMed

Insights

Microencapsulation enhances probiotic survival through the gastrointestinal tract, leading to improved gut colonization. This study compares coated probiotics to uncoated forms, demonstrating superior efficacy for the protected bacteria.

Area of Science:

  • Microbiology
  • Gastroenterology
  • Drug Delivery Systems

Background:

  • Microencapsulation protects probiotics from harsh gastrointestinal conditions, potentially enhancing efficacy.
  • Previous studies focused on survival, but direct comparison of gut colonization by coated versus uncoated probiotics was lacking.

Purpose of the Study:

  • To compare the in vivo intestinal colonization kinetics of microencapsulated probiotics versus non-encapsulated probiotics.
  • To investigate the in vitro resistance of microencapsulated probiotics to gastric acid, bile, and pancreatic secretions.
  • To correlate in vitro resistance data with in vivo colonization findings.

Main Methods:

  • Administered microencapsulated and uncoated probiotic strains to assess fecal amounts and colonization.
  • Performed in vitro assays to evaluate bacterial resistance to simulated gastric juice, human bile, and pancreatic secretions.

Main Results:

  • Microencapsulated probiotics demonstrated significantly higher fecal recovery, indicating enhanced gut colonization.
  • In vitro tests confirmed superior resistance of microencapsulated probiotics to gastric acid, bile, and pancreatic enzymes.

Conclusions:

  • Microencapsulation is a viable strategy to improve probiotic survival and gut colonization.
  • The in vitro resistance of microencapsulated probiotics correlates with their enhanced in vivo performance.

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