The food we consume daily contain a variety of nutrients. Each of the nutrients contained in the food has a special function (specific) for the human body. In general, the primary function of nutrients in food for the body can be divided into three kinds:
- As a source of energy. Nutrients including energy sources are carbohydrates, fats and proteins. Nutrients are the producers of energy that can be used for movement and physical activity, and metabolic activity in the body. Nutrients that can generate the greatest energy of all three of these nutrients are fat. Examples of food that serves as an energy source such as: rice, corn, taro, cassava, sweet potatoes, wheat is the source of carbohydrates; margarine and butter is a source of fat, and nuts, fish, meat, eggs and so on is a source of protein.
- For growth and tissue builder. Nutrients are included in this group are proteins, fats, minerals and vitamins. However, nutrients that have a dominant role in the growth process is protein. Protein has a function as forming cells in the tissue. If you lack the protein consumed human growth and development will be hampered. In addition, the protein also serves to replace cells damaged body and maintain organ function.
- As the regulatory processes in the body. Metabolic processes in the body needs to be a balance settings. Nutrients that serves to regulate metabolic processes in the body are minerals, vitamins, water, and protein. But the main function as regulating substances are minerals and vitamins.
A complete variety of nutrients and their functions and food sample can be downloaded from the following link. May be useful!
Nutrients in foods and their functions download