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review · Nutrients

Medicinal Plants and Their Impact on the Gut Microbiome in Mental Health: A Systematic Review

202257 citationsOpen accessKafr el-Sheikh University

In plain language

Very few studies have been designed specifically to evaluate how herbal preparations influence targets or pathways related to the microbiota-gut-brain axis. Nonetheless, the wider literature provides multiple indications of potential interactions with this system. Observed effects include an increased abundance of health-promoting microorganisms, anti-inflammatory responses, and pathway modulation driven by gut microbial metabolites. In particular, recorded data for Panax ginseng, Schisandra chinensis, and Salvia rosmarinus indicate that interactions between their constituent compounds and the gut microbiota could mediate mental health benefits. Despite these positive indicators, dedicated investigations directly examining effects on pathways associated with the microbiota-gut-brain axis remain necessary for the majority of medicinal plants.

Key takeaways

  • Very few studies currently focus specifically on how herbal preparations affect targets along the microbiota-gut-brain axis.
  • Herbal preparations show indications of increasing beneficial microorganisms, reducing inflammation, and triggering effects via gut microbial metabolites.
  • Data for Panax ginseng, Schisandra chinensis, and Salvia rosmarinus indicate potential mental health benefits mediated by the gut microbiota.
  • Dedicated research assessing direct effects on microbiota-gut-brain pathways is still required for most medicinal plants.

Why it matters

Understanding the links between herbal remedies, the gut microbiome, and mental health could support the development of nature-based therapeutic strategies. By highlighting how plants such as ginseng and rosemary might influence mental wellbeing through gut pathways, this synthesis helps clarify current scientific understanding while identifying where further targeted research is required.

Commercialisation angle

The abstract points towards potential therapeutic or nutraceutical applications using specific plants, such as Panax ginseng, Schisandra chinensis, and Salvia rosmarinus, for mental health support. However, this work remains at an early stage of research. Product developers and clinical researchers would need dedicated studies on biological pathways before these herbal preparations can be validated for commercial formulations or clinical use.

AI-generated from the published abstract. Always read the original work before citing.

Abstract

Only a few studies have been specifically designed to assess how herbal preparations affect MGBA-related targets or pathways. However, many studies provide hints of a possible interaction with the MGBA, such as an increased abundance of health-beneficial microorganisms, anti-inflammatory effects, or MGBA-related pathway effects by gut microbial metabolites. Data for <i>Panax ginseng</i>, <i>Schisandra chinensis</i>, and <i>Salvia rosmarinus</i> indicate that the interaction of their constituents with the gut microbiota could mediate mental health benefits. Studies specifically assessing the effects on MGBA-related pathways are still required for most medicinal plants.

Research topics

  • Tryptophan and brain disorders
  • Ginseng Biological Effects and Applications
  • Gut microbiota and health

Read the original research

This page summarises published work. The authoritative version sits with the publisher.

DOI: 10.3390/nu14102111

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