Substances Contained in Food

Substances Contained in Food

As we all know, food is very much the opposite. Ranging from fruits, vegetables, assorted meats, various kinds of eggs, a variety of foods in packaging, and many other types of food. The food we eat contains nutrients (the nutrients). Nutrients include carbohydrates, proteins, fats, vitamins, minerals, and water. The following will explain the function of some nutrients. Do not forget also be given examples of foods that contain these substances.

1. Carbohydrates

Carbohydrates serve as a source of energy. Carbohydrates contain a lot of energy. To whether the energy obtained from food? Energy is important to support all the activities. When learn, play, work, or exercise, your body needs energy. Without energy, the body will not be able to perform the following activities. The activities in the body also requires energy, such as breathing and digesting food. If the body is deprived of carbohydrates, the body will become weak. You need 45% of the total carbohydrate diet every day. Examples of foods containing carbohydrates are rice, corn, potatoes, sweet potatoes and bread.

2 Protein

Protein has many functions for the body, such as:

  • a. Regulate the growth, repair and maintain body tissues.
  • b. Forming a variety of important substances in the body.
  • c. Energy sources.
  • d. Neutralize toxins that enter the body.


From where we can get protein? Protein can be obtained from foods of plant origin (vegetable protein) and from animals (animal protein). Examples of animal protein include: meat, eggs, milk and fish. As examples of vegetable protein include: beans, especially soybeans and processed products (tofu, tempeh and soy sauce)

3. Fat

As well as fat protein was divided into two kinds, namely vegetable fats and animal fats. Vegetable fats are fats derived from plants such as peanut, coconut and seeds. While animal fats are fats of animal origin, such as meat, brains, fish and others. Fats derived from plants is better than the fat of animal origin. Excessive fat in the body will lead to inhibition of blood flow in the blood vessels which will lead to heart disease or high blood pressure.

The function of fat for the body include:

  • a. Fat we eat produce energy.
  • b. The fat contained in the body can dissolve vitamins A, D, E and K.
  • c. Fat protects the organs contained in the body, such as the heart and kidneys.
  • d. With the body fat into setabil.
  • e. Excess food in the body, it is stored in the body, will be kept as a reserve food in the form of fat.


4. Vitamins

Although only in small amounts, vitamin is needed by the body. Why? Because the protein to function as a regulator of the various activities that occur in the body. For example, the process of burning food and growth of the body. No vitamins soluble in water. There are also vitamins that are soluble in fat. Vitamins are water soluble such as vitamin B and vitamin C. As for the fat-soluble vitamins such as vitamins A, D, E and K. Therefore, do not soak too long a food that contains vitamin B and vitamin C in the water , This is to avoid wasting vitamin content contained in these foods.

The following shows the functions of vitamins and foods that contain the vitamin.

a. Vitmin A

Vitamin A serves for growth, vision health, and kesahatan skin and hair. Due to lack of vitamin A, will result in night blindness, dry and scaly skin, bleeding in the gut. Examples of food sources that contain vitamin A are milk, margarine, eggs, liver and vegetables.

b. Vitamin B1

Vitamin B1 is essential for the nervous system and heart function, prevent beriberi. Due to lack of vitamin B1 is no appetite, difficult defecation, beriberi. Examples of food sources containing vitamin B1 such as rice, bread, flour, fish and milk.

c. Vitamin B2

Vitamin B2 is important for healthy skin and for the growth of body tissue, prevents eye sensitivity to light. Due to deficiency of this vitamin will lead to cataracts, vision is blurred, the lips and the corners of the mouth sores (peel). Examples of the types of food that contains vitamin B2 include, eggs, milk, yeast, meat and fresh vegetables.

d. Vitamin B6

Vitamin B6 plays a role in growth, nerves work, and the formation of red blood cells, essential for healthy teeth, gums and bones. Due to lack of vitamin B6 can lead to difficult defecation. Examples of sources of food containing Vitamin B6 is milk, meat, and green vegetables and bananas.

e. Vitamin C
Function of Vitamin C can maintain endurance. Due to lack of vitamin C will cause bleeding gums, cavities, bleeding in the gut, body weakness, weight loss. Food sources that contain vitamin C include fruit juice, fruit acids, cabbage, green vegetables, and potatoes.

f. Vitamin D

Vitamin D is good for teeth and bones, helps the body use calcium and phosphorus to prevent bone disease (rickets). Due to the low level of vitamin D can cause rickets (O-shaped legs and X). Source foods containing vitamin D milk, fish oil, tuna, and egg yolks.

g. Vitamin E
Vitamin E plays a role in fertility. Lack of vitamin E can lead to infertility. Source foods that contain lots of vitamin E include sprouts (sprouts) fish and milk.

h. Vitamin K

Vitamin K can help the process of blood clotting. Due to vitamin K deficiency is the inhibition of blood clotting. Foods that contain lots of vitamin K are green vegetables.

5. Mineral

Our bodies need minerals. Mineral soluble and do not undergo the process of digestion. Minerals can be directly absorbed by the intestine. There are about 16 minerals. Minerals will help the body to perform various activities, such as breathing.

6. Water

Water is a primary human need. Most of the human body consists of water. You can not eat last longer than not drinking. Water can be obtained from the drinks or foods that contain water.

Besides milk contains lots of water, also contains a variety of other food substances. Protein and fat abundant in milk. Therefore, make it a habit to drink milk every day as a complement nutrisimu needs.

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