What is the output of bean curd with sour sauce?

One catty of soybean can make three catties of bean curd with sour pulp. In the process of making sour tofu, soybeans are soaked, ground and filtered to obtain soybean milk, and coagulants are added to the soybean milk to form tofu. Physalis alkekengi tofu is a traditional method of making tofu, which uses Physalis alkekengi as coagulant. Physalis alkekengi is a liquid formed by fermentation of filtered tofu water in the process of making tofu, which contains acidic substances to solidify soybean milk into tofu. A catty of soybeans can produce three catties of bean curd with sour pulp.