Vitamin A or Retinol is a powerful antioxidant. it is a nutrient that can prevent various diseases such as cancer. C20H30O is the chemical formula of Vitamin A.
It can be in several different structural forms, and like other antioxidants, strengthens bones and strengthens the immune system, and plays a crucial role in strengthening vision, growth, and development of body cells and the proper functioning of the heart, lungs, kidneys and other body organs help a lot.
Usually, the main sources of this antioxidant are animal and plant sources and it can be found in a wide range of foods and are found in most fruits and vegetables, especially yellow and orange fruits, and of course in dairy products, eggs, fish, and grains. Recent research has shown that it can fight cancer cells in the body and kill them.
Overuse of it can cause poisoning. Usually, several groups of people are exposed to this substance, such as premature babies and pregnant and lactating women.
The chemical structure of vitamin A is as follows:
The deficiency of this vitamin in the body can have various symptoms, such as poor eyesight, insomnia, bruising, and growth retardation in children.
Physical and chemical properties:
Vitamin A can participate in the body’s chemical reactions in two ways. This antioxidant sometimes acts as a catalyst and sometimes as a component of a chemical reaction.
The most important physical and chemical properties of this material can be summarized in the following table:
|Molecular weight (g/mol)||286.45|
|Melting point (°C)||63|
|Boiling point (°C)||137|
|Flash point (°C)||147.3|
|Solubility in water||soluble|
Vitamin A Sources:
Vitamin A is generally available in two forms, active vitamin A and beta-carotene. Usually in the meat or body of animals is a good and complete source of active vitamin A called retinol, another type of this antioxidant that is widely used. There is a color in vegetables and fruits called carotenoids, which is converted to retinol after digestion. Beta-carotene is also found in plants.
As mentioned, vitamin A is widely available in animal and plant sources, including good animal sources of beef and sheep liver, fish, egg yolks, and dairy products such as butter or milk.
Plant sources contain this material is in the form of carotenoids, which must be converted to retinol during digestion so that body can use them. Carotenoids are pigments that make plants green and some fruits and vegetables red or orange. Plant sources of this substance include mango, many pumpkins, carrots, sweet potatoes, spinach, pumpkin, and corn.
Vitamin A benefits:
This material has many benefits that we will mention below:
Increase eye health and optimal function:
Vitamin A plays a key role in eye health because it is part of the structure of the eye and is good for the corneal membrane. Severe deficiency of this substance can reduce vision or night blindness. On the other hand, high consumption cannot increase vision or eliminate the use of lenses or glasses.
Increased immune system function:
Recent research has shown that vitamin A can increase the strength of the body’s immune system and have a positive effect on this system.
The Function of this substance as an antioxidant protector:
Vitamin A is a powerful antioxidant, it can increase the strength of the body’s cells against toxins or cancer cells.
The cells of the body are destroyed after a certain period and replaced by new cells. Vitamin A can affect the growth of new cells as well as the optimal performance of this process. Pregnant women should be careful not to take too much of this substance because the increase in the volume of this substance in the body will cause harm to the fetus and it is better to talk to your doctor before taking any vitamin A supplements.
Helping the health of the scalp:
It can produce the right amount of fat on the scalp and prevents the scalp and hair from drying out. In general, it can regulate the secretion of oil in the scalp and help keep the scalp and hair healthy.
Tips for taking vitamin A:
Its consumption should be in moderation and we should avoid consuming it more or less because it has adverse effects on health.
Excessive consumption affects the function of the central nervous system and the function of the digestive system.
Transporting and uses:
It is better to keep this material away from heat and in a cool and dry place.
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