The calories calculated in the food ingredient list are mainly protein, fat and carbohydrates. Protein has 4 calories per gram and 4.186 kilojoules per gram. Fat has 9 calories and 4.186 kilojoules per gram. Carbohydrates have 4 calories per gram. , the energy per kcal is 4.186 kilojoules. Just compare the values ??and calculate.

The ingredient list on a food label is the raw material composition of a product.