A rare case of mushroom intolerance due to trehalase deficiency is described in a 24-year-old man and his father. Trehalose, present in mushrooms, cannot be digested in these individuals, leading to gastrointestinal symptoms despite the edibility of the mushrooms.
Veselský J. (1976): Inocybe brunneo-rufa Stangl et Veselský (Czechoslovak records 15.). – Česká Mykologie 30(2): 126–127.