Original title: Antioxidant Properties of Probiotic Bacteria
Oxidative stressA state in which damaging oxidants outweigh a cell’s antioxidant defenses. happens when damaging oxidants outweigh a cell’s defenses. This can harm DNA, proteins, and fats, and threaten cell survival. The paper reviews how probioticA living microorganism described here as having potential health benefits when consumed. bacteria may help by strengthening antioxidant defenses or reducing the production of damaging radicals. It also discusses how probiotics may affect the mix of bacteria in the gut.
Imagine trying to keep a kitchen clean while crumbs keep appearing. The mess grows when crumbs arrive faster than you can sweep them away. In this paper, the crumbs stand for damaging oxidants, the sweeping stands for a cell’s defenses, and probiotic bacteria are discussed as possible helpers that strengthen the cleanup or reduce the mess being made.
Oxidative stress can damage DNA, proteins, and fats in cells. Understanding how probiotic bacteria may limit that damage could help researchers assess their possible role in health and in foods, while recognizing that effects vary by strain.
The abstract describes a review of proposed mechanisms; it does not establish how effective specific probiotic strains are in people, which strains work best, or what doses are needed. It also says the underlying mechanisms are not properly understood.
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Antioxidant Properties of Probiotic Bacteria — Yang Wang, Yanping Wu, Yuanyuan Wang et al. — Nutrients — doi:10.3390/nu9050521
Abstract licence: CC BY
Explanation generated by Synthesis from the abstract — it is not the original paper.