Mushrooms High in Ammonia (per 100 g edible portion)

• Shiitake, Hoshi-shiitake (dried)
  
  510 mg
• Common mushroom (raw)
  
  94 mg
• Shiitake, Nama-shiitake (raw)
  
  77 mg
• Winter mushroom (raw)
  
  62 mg
• Nameko (raw)
  
  40 mg