Exploring Mushroom Extracts as Green Reducing and Stabilizing Agents for Sustainable Synthesis of Silver Nanoparticles

Why It Matters

The mushroom‑based synthesis eliminates hazardous chemicals, enabling scalable, eco‑friendly production of silver nanostructures critical for medical devices and advanced electronics.

Key Takeaways

• Mushroom extracts act as dual reducing and stabilizing agents
• Produced silver nanoparticles sized 1–2 nm
• UV‑Vis SPR peaks observed at 420–450 nm
• FTIR identified hydroxyl, carbonyl, amine groups
• Method offers sustainable route for biomedical nanotech

Pulse Analysis

Green nanotechnology is reshaping material manufacturing by replacing energy‑intensive, toxic processes with biologically derived methods. Traditional silver nanoparticle production often relies on hazardous reducing agents and high‑temperature reactors, creating waste streams that conflict with sustainability goals. Mushroom extracts, rich in polysaccharides, proteins, and phenolic compounds, provide a naturally occurring cocktail capable of donating electrons and capping nascent particles, thereby simplifying the synthesis workflow and reducing environmental impact.

In the reported study, dried mushroom powders were boiled to obtain aqueous extracts, which were then mixed with silver nitrate under ambient conditions. UV‑visible spectroscopy revealed characteristic surface plasmon resonance peaks between 420 and 450 nm, confirming nanoparticle formation. FTIR spectra showed shifts in hydroxyl, carbonyl, and amine vibrations, indicating these functional groups mediated ion reduction and particle stabilization. High‑resolution SEM and TEM imaging demonstrated uniform, spherical nanoparticles with diameters tightly clustered around 1–2 nm, a size regime prized for antimicrobial efficacy and optical applications. The rapid reaction time and mild temperature requirements underscore the practicality of scaling this biogenic route for industrial use.

The implications extend beyond laboratory curiosity. Silver nanoparticles produced via mushroom extracts can be integrated into wound dressings, coatings, and sensors without the regulatory burdens associated with chemically synthesized counterparts. Moreover, the approach aligns with circular economy principles, allowing agricultural waste streams to become feedstock for high‑value nanomaterials. As demand for sustainable nanomanufacturing grows, such bio‑mediated techniques are poised to attract investment and drive standards for green chemistry in the nanotech sector.