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Gut microbial modulation by culinary herbs and spices.

Sasha M Dahl1, Vivien Rolfe2, Gemma E Walton1

  • 1Department of Food and Nutritional Sciences, University of Reading, RG6 6DZ, UK.

Food Chemistry
|January 4, 2023
PubMed
Summary

Culinary herbs and spices may positively impact gut health by stimulating beneficial bacteria and producing short-chain fatty acids. However, more human studies are needed to confirm these prebiotic effects and their link to health outcomes like obesity.

Keywords:
Culinary herbsGastrointestinal modulationGut microbiotaMicrobial modulationPrebiotic effectSpices

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Area of Science:

  • Microbiology
  • Nutrition Science
  • Gastroenterology

Background:

  • Culinary herbs and spices possess antioxidant and antimicrobial properties.
  • They may influence gut microbiota, potentially acting as prebiotics by stimulating beneficial bacteria and short-chain fatty acid production.
  • Emerging research suggests a link between herb and spice consumption, gut health, and inflammation-related conditions such as obesity.

Purpose of the Study:

  • To review current literature on the effects of culinary herb and spice consumption on gut microbiota.
  • To explore the potential health benefits, including prebiotic effects and modulation of inflammation.
  • To identify gaps in current research, particularly human studies.

Main Methods:

  • A comprehensive literature review was conducted.
  • Searched databases for studies investigating herb/spice intake, gut microbiota, and health outcomes.
  • Synthesized findings from existing research to assess the evidence.

Main Results:

  • Herb and spice consumption shows potential for positive gut microbial modulation.
  • Evidence suggests a possible role in managing inflammation and conditions like obesity.
  • The current body of human research is limited, leading to inconsistencies in conclusions.

Conclusions:

  • Culinary herbs and spices may offer health benefits through gut microbiota modulation.
  • Further rigorous human clinical trials are necessary to validate these findings.
  • Understanding the precise mechanisms and health impacts requires more research.