Potatoes and Starches Low in Cystine (per 100 g edible portion)

• Sweet potatoe (tuberous root, raw)
  
  21 mg
• Chinese yam, Nagaimo (tuberous root, raw)
  
  21 mg
• Potatoe (tuber, raw)
  
  22 mg
• Satoimo (corm, raw)
  
  46 mg