And north tofu or north tofu, also known as old tofu and hard tofu. Refers to tofu made of brine as coagulant, which is characterized by hardness,
The elasticity and toughness are stronger than those of south tofu, the water content is lower than that of south tofu, generally between 80% and 85%, and the taste is more fragrant than that of south tofu.
Difference between South Tofu and North Tofu
From the appearance:
South tofu is white and tender. North tofu is relatively yellow and old.
From the production point of view:
South tofu uses gypsum as coagulant, and north tofu uses brine as coagulant.
Usually we go to the supermarket to buy several boxes of tofu, all of which are southern tofu, with more moisture and tender. Not suitable for cooking, but it can be used to make soup. The onion-mixed tofu in the restaurant is also made of south tofu. .
The tofu blocks made in the supermarket are basically north tofu, which looks older and can be used for cooking.