Academic Summary:
This study evaluates the capacity of Leuconostoc mesenteroides CBA3656, a lactic acid bacterium isolated from kimchi, to mitigate nanoplastic bioaccumulation. Utilizing both simulated intestinal environments and germ-free mouse models, researchers demonstrated that CBA3656 exhibits a high adsorption affinity for polystyrene nanoplastics. The findings indicate that the administration of this probiotic significantly enhances the fecal excretion of nanoplastics, offering a potential biological strategy for reducing the internal burden of environmental plastic contaminants.

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Lee SH, Won TU, et al. Kimchi probiotic promotes the excretion of nanoplastics from the gut: Lactic acid bacteria isolated from kimchi can bind with intestinal microplastics and promote their excretion from the body. Bioresource Technology. 2026;401:130725. doi:10.1016/j.biortech.2026.003159.

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