Abstract
IN reply to the query by Edgar Trevithick respecting the blue coloration in Boletus, Bourquelot and Bertrand (Bull. Soc. Myc., 1896, p. 18) have recently investigated the subject, and consider the action due to the presence of an oxidising ferment they have named tyrosinase. This ferment acts on certain chromogenous materials present in the fungus when exposed to the air.
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MASSEE, G. Colour Phenomena in “Boletus cœrulescens”. Nature 74, 380 (1906). https://doi.org/10.1038/074380e0
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DOI: https://doi.org/10.1038/074380e0
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