Mine Gianna: a jump back in history
Corticicoli mushrooms with tannins
© Archivio Ecomuseo delle Miniere e della Val Germanasca (Photo: Serena Maccari)
© Archivio Ecomuseo delle Miniere e della Val Germanasca (Photo: Serena Maccari)
The mushrooms which developed on the chestnut contain the tannins present in its bark, which was once collected and sold to the tanneries to exploit these substances as dyes.