Tofu is very widespread throughout the East and, in particular, it is used in Japan, China and Thailand: produced from soy rennet, the production process is not very different from that adopted for the cheese obtained starting from milk. A very important characteristic of tofu is that it - generally - does not have a very high quantity of carbohydrates, shining on the other hand for its protein content and the presence of polyunsaturated acids, with notable differences depending on the different types of production. Tofu can be mainly divided into two categories, which are the following: that of fresh tofu and, vice versa, that of dried tofu.