Originally published at: Watch a mushroom turn from beige to blue as it gets sliced | Boing Boing
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So much fascinating chemistry surrounding fungi!
from an excellent review article by Stephen F Nelsen:
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You gonna eat that?
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Super cool!
There is lumber that changes color when cut, too - it starts out one color, then oxidizes to another. Woods I’ve noticed doing this include American Black Walnut, Osage Orange, and Plum.
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Yeah, this is one of my favorite cool mushroom tricks. A fair number of boletes display this rapid bluing reaction.
Running a fingernail along the gills of a Lactarius is another good one. And in some species the resulting liquid also changes color quickly!
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