Ellagitannins is a kind of phenolic compounds with many biological activities. Recent studies have found that the effective ingredients of these compounds have close relationship with their colon-derived bacteria metabolites, that is urolithins. The objective of this study was to review the structure characteristics, types and distribution of urolithins, improvement in diseases related to prostate, breast and colon, as well as anti-cancer, anti-oxidation, anti-inflammation and other biological activities. The present review will lay the foundation for development and utilization of urolithins.
Keywords: biological activity; distribution; metabolite; urolithins.
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