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Current Opinion in Clinical Nutrition & Metabolic Care:
doi: 10.1097/MCO.0b013e328365c258
FUNCTIONAL FOODS AND DIETARY SUPPLEMENTS: Edited by Nathalie M. Delzenne and Gerard E. Mullin

Future for probiotic science in functional food and dietary supplement development

Neef, Alexander; Sanz, Yolanda

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Abstract

Purpose of review: The purpose of this study is to provide an update of probiotic science evolving from classical approaches to the development of next-generation probiotics, parallel to advances in the understanding of the complexity of the gut microbiome and its role in human health.

Recent findings: The probiotic concept is based on the notion that the gut ecosystem contributes to human physiology and, consequently, its modulation may help to maintain health and reduce disease risk. The understanding of the complexity of the gut microbiota and the specific components associated with progression from health to disease is rapidly increasing, thanks to the use of high-throughput and next-generation sequencing techniques in progressively better controlled epidemiological studies. Evidence on microbiome-mediated effects by intervention with classical probiotics on humans is, however, limited. The new information is helping to set a rationale for selection of a next generation of probiotics. Candidates include Clostridia clusters IV, XIVa and XVIII, Faecalibacterium prausnitzii, Akkermansia muciniphila and Bacteroides uniformis, the effects of which have been evaluated in preclinical trials with promising results for inflammatory and diet-related disorders. Yet, the extent to which new probiotic formulations consisting of nonconventional indigenous gut bacteria will be effective on humans at a population level or in personalized nutrition strategies remains to be explored.

Summary: Understanding the role that indigenous intestinal bacteria and their ecological interactions play in human health and disease based on epidemiological, intervention and mechanistic studies will provide a robust rationale for selection of probiotic strains and facilitate the optimization of integrated dietary strategies to efficiently modulate the human gut microbiome, leading to improvements in nutrition and clinical practice.

© 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins

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