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Related Concept Videos

Inflammatory Response01:28

Inflammatory Response

An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
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Related Experiment Video

Updated: Jun 7, 2026

Extraction and Purification of Polyphenols from Freeze-dried Berry Powder for the Treatment of Vascular Smooth Muscle Cells In Vitro
12:00

Extraction and Purification of Polyphenols from Freeze-dried Berry Powder for the Treatment of Vascular Smooth Muscle Cells In Vitro

Published on: July 5, 2017

Fruit polyphenols, immunity and inflammation.

Javier González-Gallego1, M Victoria García-Mediavilla, Sonia Sánchez-Campos

  • 1Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd) and Institute of Biomedicine (IBIOMED), University of León, León, Spain.

The British Journal of Nutrition
|October 20, 2010
PubMed
Summary

Flavonoids from fruits and teas show anti-inflammatory and immunomodulatory effects. More human studies are needed to confirm benefits for disease prevention and health.

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Area of Science:

  • Nutritional Science
  • Immunology
  • Pharmacology

Background:

  • Flavonoids are plant compounds found in fruits, vegetables, and beverages.
  • They are linked to disease prevention, with suggested immunomodulatory and anti-inflammatory properties.
  • Current research predominantly relies on in vitro studies, often using supraphysiological concentrations.

Purpose of the Study:

  • To review the evidence on the anti-inflammatory and immunomodulatory effects of fruit and tea flavonoids and their metabolites.
  • To discuss the mechanisms of action, including effects on enzyme function and gene/protein expression.
  • To evaluate the biological relevance and functional benefits of these effects.

Main Methods:

  • Comprehensive review of existing literature, including in vitro studies, animal models, epidemiological data, and human intervention trials.
  • Analysis of mechanisms of action at the molecular level.
  • Assessment of evidence for physiological relevance and health benefits.

Main Results:

  • Flavonoids and their metabolites exhibit significant anti-inflammatory and immunomodulatory activities.
  • Mechanisms involve modulation of enzyme activity and regulation of gene and protein expression.
  • Evidence from animal and human studies supports these effects, though more research is needed.

Conclusions:

  • Fruit and tea flavonoids possess notable anti-inflammatory and immune-modulating properties.
  • Further epidemiological studies and randomized controlled trials are required to establish definitive health benefits in humans.
  • Understanding the effects of physiologically attainable concentrations is crucial for practical application.