Humans need food. But did you know that food does not guarantee a person's life. The food we need not simply release the hunger. Hunger is a signal that the body requires the necessary elements. Some elements were indeed produced by the body itself. But most of the others can not be produced by the body. Therefore the nutrients contained in food to be really significant stuff is important to the survival of our bodies.
Therefore, the food needs to be done with due regard to the content contained in food. Eating any food can actually draws us closer to the disease, and at once delivers us with death.
The nutrients contained in food are grouped into at least six groups, namely:
Carbohydrate
Carbohydrates are the main energy source for the body. There are two types of carbohydrates, namely complex carbohydrates and simple karbihidrat. Complex carbohydrates consist of polysaccharides (starch, dextrin, glycogen) and fiber. Fiber is actually a type of carbohydrate and other nutrients are not called because it is not digested and absorbed by the body. However, this fiber is quite an important role for health, especially to aid the digestive process and provides protection against some types of diseases. While simple carbohydrates consist of monosaccharides (glucose, fructose, galactose, mannose, pentose), disaccharides (sucrose, maltose, lactose, trebalosa), sugar alcohol (sorbitol, mannitol, inositol), and oligosaccharides (raffinose, stakiosa, verbaskosa, fruktan) .
Fat
Fat also produces energy for the body. Fat also serves as a means of transport other nutrients. Fat from fatty acids, both saturated and unsaturated. Our bodies can not make all kinds of fatty acids needed by the body, thus requiring the input of food. Saturated fats found in animal foods. However, foods that are high in saturated fat can cause cancer, heart disease and stroke. Whereas unsaturated fatty acids found in many plant foods, and serves as a component of nerve cells, cell membranes, and to protect from a number of types of chronic diseases, like heart disease and cancer.
Protein
Protein is a vital role as a raw material-forming cells and tissues. Proteins also function in the process of growth, maintenance, and repair damaged tissue. These proteins are composed of several amino acids that work as building blocks that build and maintain body tissues kokohnya. Proteins can be converted into energy when the body lacks carbohydrates and fats. If the function has changed, then the willingness of the protein must be supplied through food in the form of essential amino acids. But there is not an essential amino acid in one jensi food, so it needs to be supported by other types of food that needs Amini acid in the body can continue to be met in full.
Vitamin
Vitamins act as a trigger and regulator of various processes in the body, especially to initiate chemical reactions within the cells of the body. Because of this vitamin is a substance that the body needs in small quantities. Each vitamin plays a specific role is different, so any kind of vitamins can not replace the function of other vitamins.
Mineral
Minerals also play a role as a trigger for each process in the body and maintain the function of cells, tissues, and organs of the body as a whole. Our bodies need minerals in varying amount. There must be fulfilled in bulk to or greater than 100 mg per day, there is also a mineral needed in small amounts such as vitamins.
Water
Water in the body's role is to deliver substances into cells and carries away waste or waste generated every process in the body. Water also serves to maintain and regulate body temperature to remain normal. As many as 70 percent of body weight is water.
