Effects of food additives on gut microbiota: friend or foe?

Elif Inan-Eroglu (Department of Nutrition and Dietetics, Faculty of Health Sciences, Hacettepe University, Ankara, Turkey)
Aylin Ayaz (Department of Nutrition and Dietetics, Faculty of Health Sciences, Hacettepe University, Ankara, Turkey)

Nutrition & Food Science

ISSN: 0034-6659

Publication date: 9 September 2019

Abstract

Purpose

Recent evidence suggests that especially processed foods may lead to undesirable metabolic effects in gut microbiota. The emulsifiers and artificial sweeteners that are added to processed foods may play a role in the progression of the diseases through the modulation of microbiota in mice. In this context, the purpose of this paper is to evaluate the effects of emulsifiers and artificial sweeteners.

Design/methodology/approach

This paper presents a narrative review of the effects of emulsifiers and artificial sweeteners which are mainly in consumed in the Western diet, to the gut microbiota by mainly focusing on the experimental studies.

Findings

Although in vivo studies and animal model studies showed various adverse effects of sweeteners and emulsifiers to microbiota, studies should be conducted in humans to investigate the effects of these food additives to human microbiota by making dietary interventions in the context of ethical rules.

Originality/value

In future, studies will allow us to draw more definitive conclusion whether human population consuming sweeteners and emulsifiers are at risk.

Keywords

Citation

Inan-Eroglu, E. and Ayaz, A. (2019), "Effects of food additives on gut microbiota: friend or foe?", Nutrition & Food Science, Vol. 49 No. 5, pp. 955-964. https://doi.org/10.1108/NFS-02-2019-0049

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Publisher

:

Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited

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