Probiotic Extracts and Green Nanoparticles Inhibit Fungal Growth on Historical Manuscripts

A recent study published in *Scientific Reports* details a new preservation method for historical manuscripts that combines bacterial probiotic extracts with green-synthesized nanoparticles to combat fungal degradation. Researchers developed this integrated approach to provide a safe, non-toxic alternative for protecting fragile paper documents from microbial damage, which often compromises the structural integrity of historical archives.

The research team utilized probiotic extracts derived from beneficial bacteria alongside nanoparticles produced through environmentally friendly, or “green,” synthesis methods. By applying this mixture to paper samples, the investigators tested the material’s ability to inhibit the growth of common fungi that typically thrive on cellulose-based artifacts. The findings indicate that the combination effectively suppresses fungal activity while maintaining the physical and chemical stability of the paper. This study provides data on the efficacy of these bio-based materials as a potential conservation tool for archivists and museum curators tasked with the long-term maintenance of historical collections.

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Date: June 6, 2026

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GOAI