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Nutrients. 2019 Nov 10;11(11). pii: E2725. doi: 10.3390/nu11112725.

Microbial Phenolic Metabolites: Which Molecules Actually Have an Effect on Human Health?

Author information

1
Department of Nutrition, Food Science and Gastronomy, School of Pharmacy and Food Sciences and XaRTA, Institute of Nutrition and Food Safety (INSA-UB), University of Barcelona, 08921 Santa Coloma de Gramenet, Spain.
2
Consorcio CIBER, M.P. Fisiopatología de la Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain.
3
Departament de Bioquímica i Biotecnologia, Universitat Rovira i Virgili, Unitat de Nutrició Humana, Hospital Universitari San Joan de Reus, Institut d'Investigació Pere Virgili (IISPV), 43002 Reus, Spain.

Abstract

The role of gut microbiota in human health has been investigated extensively in recent years. The association of dysbiosis, detrimental changes in the colonic population, with several health conditions has led to the development of pro-, pre- and symbiotic foods. If not absorbed in the small intestine or secreted in bile, polyphenols and other food components can reach the large intestine where they are susceptible to modification by the microbial population, resulting in molecules with potentially beneficial health effects. This review provides an overview of studies that have detected and/or quantified microbial phenolic metabolites using high-performance liquid chromatography as the separation technique, followed by detection through mass spectrometry. Both in vitro experimental studies and human clinical trials are covered. Although many of the microbial phenolic metabolites (MPM) reported in in vitro studies were identified in human samples, further research is needed to associate them with clinical health outcomes.

KEYWORDS:

health; liquid chromatography; mass spectrometry; microbiota; plasma; polyphenols; urine

PMID:
31717653
DOI:
10.3390/nu11112725
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