From: lennyjacobs@do-not-send.com   
      
   On 25/05/2017 20:28, tianduozhang@gmail.com wrote:   
   > Yes, the practice does exist for many years. We call it tofu making.   
   >   
      
   The main components of tofu are protein, lipid, and carbohydrate. The   
   way you described it may make people think tofu contains mainly calcium   
   oxalate. Though tofu is high in oxalate (compared with other food, but   
   not as high as spinage), it is a very minor component.   
      
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