For høy varme ja. Litteraturen sier at tørketemperatur ikke bør overstige 40C.
Ellers så holder 8-10 timer på 40C i en god sopptørker i massevis.
Kilde:
"Fruit bodies, if dried at temperatures not exceeding 40C, maintains high psilocybin content for a long time”
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Assays for Detection of Fungal Hallucinogens Such as Psilocybin and Psilocin, Stebelska (2016), Neuropathology of Drug Addictions and Substance Misuse.