Mycelium materials, and methods for production thereof

This invention describes how to make materials from mycelium, which are the root-like structures of fungi. The process involves growing fungal cells in a liquid nutrient mixture within a specialized container called a bioreactor, under conditions that allow them to thrive with plenty of air. The claims specifically narrow the process to maintaining the mixture's acidity between a pH of 4 and 6 during growth.

Why it matters: Filed before low-cost, precise environmental control systems became widely available. The specific pH and aerobic conditions required are now easier to automate and monitor.

Status: ExpiredProtection ended and was never renewed
How hard to build: ModerateBioreactor, aeration, pH control, nutrient mixing.

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