>Fumagillin is a substance derived from the fungus A. fumigatus. Can we consider this a natural product?
As it is derived (i.e. there is a manufacturing process involved) then probably not in my view.
Perhaps we should only regard things as 'natural' when the bees would naturally come into contact with them without human intervention? Anything else has to be an artificial situation.
Best wishes
Peter
52°14'44.44"N, 1°50'35"W
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