Dose-dependent effects of anthocyanin-rich extracts on obesity-induced inflammation and gut microbiota modulation

Nicholas Vannuchi1, Giovana Jamar1, Veridiana Vera de Rosso2

  • 1Laboratório de Nutrição e Fisiologia Endócrina (LaNFE), Departamento de Biociências, Instituto de Saúde e Sociedade, Universidade Federal de São Paulo, São Paulo, Brazil.

PubMed

Insights

Anthocyanins show potential for managing obesity by reducing inflammation and improving metabolism. However, their effectiveness is dose-dependent, requiring further research for optimal therapeutic use.

Area of Science:

  • Nutritional Science
  • Biochemistry
  • Pharmacology

Background:

  • Obesity is a major health concern linked to chronic inflammation.
  • Anthocyanins, from fruits and vegetables, are investigated for anti-obesity effects.
  • Understanding dose-response is crucial for anthocyanin efficacy.

Purpose of the Study:

  • To review the dose-dependent effects of anthocyanins on obesity.
  • To analyze anthocyanin absorption, mechanisms, and gut microbiota interactions.
  • To explore their role in energy metabolism and inflammation.

Main Methods:

  • Comprehensive literature review of human and animal studies.
  • Analysis of anthocyanin structure, absorption, and metabolism.
  • Examination of molecular pathways involved in anthocyanin action.

Main Results:

  • Anthocyanins modulate cytokines and activate anti-inflammatory pathways.
  • They impact energy metabolism and lipid regulation via AMPK and PPARγ.
  • Gut microbiota symbiosis influences anthocyanin metabolite production and health outcomes.
  • Some studies suggest negative effects at higher anthocyanin doses.

Conclusions:

  • Anthocyanin efficacy in obesity management is dose-dependent.
  • Further research is needed to optimize dosages and understand individual responses.
  • Clinical applications require careful consideration of dose and individual variability.