Each 100 grams of tofu skin has 409 calories. A piece of tofu skin weighs about 60 grams and contains 245 calories.

Tofu skin is a traditional Chinese bean product, a food made from beans. There are many famous dishes in southern and northern China. Tofu skin is rich in nutrients, with high protein and amino acid content. According to modern scientific determination, it also has 18 trace elements necessary for the human body such as iron, calcium, and molybdenum.

Heat refers to when the change in the state of the system comes from the destruction of thermal equilibrium conditions, that is, when there is a temperature difference between the system and the outside world, we say that there is thermal interaction between the system and the outside world. The result of the action is that energy is transferred from the high-temperature object to the low-temperature object. The energy transferred at this time is called heat.

Kcal, a physics term and a term commonly used in the coal industry, is used to represent the calorific value of coal. Can be used in food to indicate the energy content.