2. Brine tofu is healthier than gypsum tofu, chewy and delicious. Secondly, brine tofu is generally yellow, while gypsum tofu is light-colored. Its brine tofu smells delicious, while gypsum tofu smells sour. Brine tofu is harder than gypsum tofu after being cooked, and the bean smell is heavier. In a word, brine tofu tastes better than gypsum tofu.

3. Bittern tofu is generally uniform milky white or light yellow, slightly shiny, you can feel some elasticity when you press it with your hand, and it is moderate in hardness and can be directly smelled at room temperature.

4. The section of tofu made of gypsum will be rough, the texture is not delicate, the elasticity is poor, and there is no white tofu liquid flowing out. Moreover, the tofu made of gypsum is much whiter than traditional tofu because of the addition of white pigment, and it is dull, and there may be waterlines, bubbles, fine particles and so on.