Sources of lutein
There are nearly 600 known natural carotenoids, lutein is one of them. It is a yellow or orange pigment, which is mostly present in certain fruits and vegetables. Lutein absorbs blue light, and therefore appears yellow at low concentrations and orange-red for high. Because of the color it is used as natural colorant in the food industry. In our body lutein is contained in the retina and is considered necessary for good vision. According to most experts in the field of health, the daily recommended to consuming 6-20 mg of lutein.
Let’s learn about some of the main health benefits and symptoms of deficiency of this substance.
The benefits of lutein for the health
Lutein gives us several health benefits. Being a carotenoid, it acts as a powerful antioxidant and protects body cells from harmful free radicals. It is believed that it increases the activity of the immune system of the human body.
As mentioned in the first paragraph of this article, the lutein is present in our eyes. It is concentrated in the macula, which is a small area of the retina that is responsible for vision. It is believed that there is a direct relationship between pigmentation of the eyes and intake of lutein. I also believe that it plays a role in the human ability to detect polarized light. Some scientific studies have shown that lutein may protect eyes from light induced oxidative damage and aging. Its ability to support eye health, he is obliged to antioxidant properties and ability to filter ultraviolet light.
Thus, lutein plays an important role in reducing the risk of various eye diseases such as cataract, age-related macular degeneration, etc.
There is no scientific evidence that lutein deficiency directly causes any disease or worsens the condition of human health, especially eyes. However, long-term inadequate intake of lutein may be associated with some chronic diseases.
The most important issue in the deficiency of lutein is increased vulnerability of the organism to the development of cancer of some organs. This is the obvious reason. Lutein is an antioxidant that protects cells from free radicals that are present in it. Free radicals can lead to initiation of cancer. Another serious health problem associated with lutein deficiency – increased risk of heart disease. Since lutein is necessary for normal vision, its deficiency can affect eye function.
Food sources of lutein
Lutein is found mainly in fruits, vegetables and some spices. Below are some examples of products which you can abundantly find lutein.
Make sure that the data sources are an integral part of your regular diet:
- egg yolk;
- dandelion greens;
- Cayenne pepper;
- Romaine lettuce.
So, you should try to lutein present in fruits and vegetables, was a natural part of your daily diet. Although in small quantities, but it is necessary for good health. Those who suffer from its deficiency, frequently recommend the use of supplements of lutein available on the market. Many people, especially adults, are poorly absorbed nutrients, so often deficient lutein. For them in pharmacies sell sublingual spray available by prescription.