Brazilian Researchers Develop Thermostable Fungal Enzyme Using Agricultural Waste for Eco-Friendly Paper Bleaching

Researchers from the University of São Paulo (USP) and São Paulo State University (UNESP) in Brazil have developed a method to produce a thermostable enzyme derived from fungi grown on agricultural residues. The enzyme, known as xylanase, presents a potential sustainable alternative for bleaching cellulose pulp in the paper manufacturing process. This approach could reduce reliance on traditional chemical methods currently used in the industry.

The study highlights the use of agricultural waste as a substrate to cultivate the fungus, which produces xylanase capable of withstanding high temperatures. This thermostability makes it particularly suitable for industrial applications. The researchers emphasize that this enzymatic process could replace conventional chemical treatments, which often involve harsh substances that may pose environmental risks. By leveraging agricultural byproducts, the method also aligns with principles of waste valorization and sustainability.

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Date: April 8, 2026

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GOAI