SMRTR Science & EngineeringSep 22, 2025Interesting Engineering

Engineers grow edible plastic from worthless waste using black yeast-like fungus

SMRTR summary

German startup Biophelion uses black yeast-like fungus to convert industrial waste from bioethanol, sugar, and paper production into valuable materials instead of CO2 emissions. The fungus produces three compounds: a bio-based polyester, an edible polymer called pullulan (for potential 3D printing), and a biodegradable surfactant, providing a clean alternative to traditional chemical manufacturing while helping decarbonize a highly polluting industry.

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