Tofu is a fermented food.

1. Tofu fermentation process. Tofu is processed from soybeans to form a protein-rich colloid similar to soy milk. Then salt brine or gypsum is added to agglomerate the protein into a solid-like form.

2. Fermented tofu products. Molded tofu is a traditional food loved by the Chinese people. It contains a variety of amino acids, minerals and vitamins needed by the human body. It has high nutritional value and has the function of appetizing and seasoning. It is a traditional soy product common in southern China.