David B. 
My university did this:
Researchers in Kagawa turn discarded udon noodles into biodegradable paper
A university in Kagawa is turning one of the prefecture's most famous foods into an unlikely new material, using discarded udon noodles to create biodegradable "paper". Researchers are using microorganisms to transform unwanted wheat noodles from local restaurants into thin sheets of cellulose with a texture similar to traditional Japanese…
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