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Probiotics: definition, sources, selection, and uses.

Mary Ellen Sanders1

  • 1International Scientific Association for Probiotics and Prebiotics and Dairy and Food Culture Technologies, Centennial, Colorado 80122, USA. mes@mesanders.com

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|January 10, 2008
PubMed
Summary
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Probiotics require rigorous scientific validation to ensure efficacy and consumer trust. Products must contain adequate live microbes, identified strains, and proven health benefits to be accurately labeled as probiotics.

Area of Science:

  • Microbiology
  • Nutritional Science
  • Gastroenterology

Background:

  • Consumer interest in probiotics is surging in the US.
  • The market contains products with both validated and unsubstantiated efficacy claims.
  • There is a need to validate probiotic contents for consumer confidence.

Purpose of the Study:

  • Define scientific criteria for accurate probiotic labeling.
  • Establish standards for evaluating probiotic product efficacy.
  • Clarify the definition and requirements for using the term "probiotic".

Main Methods:

  • Review of scientific literature and market products.
  • Analysis of criteria for probiotic identification and characterization.
  • Discussion of essential probiotic characteristics and their scientific basis.

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Main Results:

  • The term "probiotic" should be reserved for products with adequate doses of live microbes.
  • Documented health benefits in target-host studies are essential for probiotic validation.
  • Probiotics must be strain-identified, characterized for health targets, and formulated with proven efficacious doses.

Conclusions:

  • Strict scientific criteria are necessary for the accurate use of the term "probiotic".
  • Validation of probiotic contents ensures product quality and consumer safety.
  • Further research and standardization are needed to address the growing probiotic market.