21/10/2026
Did you see the kimchi news? π₯¬β¨
Scientists in South Korea found that a bacterium from kimchi can grab onto tiny plastic particles in lab tests, and may help carry them out of the body. It's early research, but it's another reason to love this beautiful traditional ferment!
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Kimchi is famous for its beneficial bacteria, but scientists have discovered another fascinating possibility: a bacterium isolated from this traditional Korean fermented food may help capture tiny plastic particles inside the gut.
A 2026 study published in Bioresource Technology investigated a specific strain called Leuconostoc mesenteroides CBA3656. In laboratory tests, it bound approximately 87% of the polystyrene nanoplastics tested.
How does it work?
The process is called biosorption. The bacteria attach to plastic particles on their cell surfaces, helping trap them rather than breaking them down. Researchers also found that the bacterium could bind particles under simulated intestinal conditions. In experiments with mice, animals given the bacteria excreted more nanoplastics in their f***s, suggesting the particles could be carried out of the digestive tract.
This discovery is particularly interesting because it explores whether beneficial microbes could help reduce the amount of certain plastic particles that remain in the gut.
However, the 87% figure came from laboratory tests, not from people eating kimchi. The animal findings are promising, but human studies are needed to establish whether this approach works in people. The research also focused on a particular bacterial strain and type of plastic, so the results cannot be generalized to all microplastics.
Personally, I find it remarkable that bacteria from a traditional fermented food could potentially have a role in addressing a modern environmental problem. For now, kimchi can be enjoyed as part of a varied diet, but it shouldn't be considered a proven microplastic detox.
Would you have expected bacteria from fermented food to show potential for helping remove plastic particles from the gut?
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