Modulation effect of tea consumption on gut microbiota

Area of Science:

• Microbiology
• Nutrition Science
• Food Science

Background:

• Tea is a globally popular beverage with recognized health benefits.
• The gut microbiota plays a critical role in maintaining human health.
• Recent research highlights tea's influence on gut microbial composition.

Purpose of the Study:

• To review and synthesize findings on the modulation effects of various teas on gut microbiota.
• To explore the potential of tea components as prebiotics.
• To investigate tea's role in mitigating gut dysbiosis, particularly that induced by high-fat diets.

Main Methods:

• Systematic review of 23 in vitro, animal, and human studies.
• Analysis of the effects of tea liquid, tea extracts, and key bioactive compounds (polyphenols, polysaccharides, teasaponins).

Main Results:

• Evidence supports tea's modulation of gut microbiota composition and function.
• Tea exhibits prebiotic-like properties, promoting beneficial gut bacteria.
• Tea consumption can alleviate gut dysbiosis induced by high-fat diets, though specific effects vary by tea type.

Conclusions:

• Tea's modulation of gut microbiota is a key mechanism underlying its health benefits.
• Tea extracts hold potential for developing functional foods aimed at improving gut health.
• Further research can guide the strategic selection of tea-based interventions for gut health management.