Kelompok mana yang membutuhkan suplementasi lutein
The eye is an important sensory organ of the human body, and more than 80% of the external information obtained by the human brain comes from vision. However, China is still one of the countries with the largest number of patients with blindness and visual impairment in the world.
Statistics show that the main blinding eye diseases in China have changed from infectious eye diseases to myopic retinopathy, glaucoma, diabetic retinopathy and macular degeneration in children and elderly patients.
Lutein is an oxygen-containing karotenoid, is an indispensable nutrient of the human eye retina, and mainly concentrated in the most sensitive visual area of the human eye – retinal macula and lens, it can be said to be the “vitamin of the eye”, is the core nutrient that dominates vision.
What is the role of lutein
Lutein has strong anti-oxidation and anti-blue absorption properties, and has a good protective effect on the retina.
In the visible light 380-780mm wavelength range, yellow light and blue light are mutually absorbed and affected, so the concentration of lutein in the macular region helps filter and absorb the damaging blue light to the eyes.
Lutein has strong antioxidant properties, can clear the damage to the eyes of free radicals, but also can reduce a variety of eye inflammation. The higher the amount of lutein in the retina, the more protection it provides.
Research finding
The high concentration of lutein in the retina absorbs up to 90% of harmful blue light, protecting the macula from damage and maintaining optimal vision. If lutein is lacking, the visual damage caused is irreversible.
Therefore, on the basis of healthy eye use, adequate supplementation of lutein is an important link to maintain normal visual function, prevent and slow down age-related eye diseases.
Who needs lutein supplements?
Modern people’s work and study pressure is huge, coupled with the need to use electronic products frequently, reducing the frequency of eye use is almost impossible. In this case, some people who suffer from eye diseases or use their eyes regularly can appropriately supplement lutein.
Pupil
The myopia rate of middle school students in China is 40%, the myopia rate of high school students is 70%, and the myopia rate of people with college education or above is higher, and students with excessive eye use and serious vision loss can properly supplement lutein.
Middle-aged and elderly people
Eye aging begins at the age of 30, and occurs at the age of 40-50. 79% of the elderly in China may suffer from cataracts and other eye diseases, and lutein can be supplemented to delay eye aging.
diabetic
Many people with diabetes have eye complications caused by diabetes, which can involve various eye structures, including fluctuating refractive errors, cataracts, glaucoma, uveitis, ocular neuropathy and diabetic retinopathy, the most prominent of which is diabetic retinopathy.
Lutein and other eye-friendly nutrients should be added in time to protect the eyes and prevent eye diseases.
How much lutein should you consume daily?
According to the Dietary Guidelines for Chinese residents, the recommended intake of lutein for adults is 10 mg per day, and the maximum intake is 40 mg per day, that is, 10-40 mg per day.
Since the body cannot synthesize it itself, it can only be consumed from food or nutritional supplements. Dark vegetables are rich in lutein, such as marigold, leek, spinach, amaranth, coriander, pumpkin, broccoli and so on.
However, the “Scientific Research Report on the Dietary Guidelines for Chinese Residents 2021” shows that the intake of dark vegetables by Chinese residents only accounts for 30% of the total vegetable intake, which is far from the recommended intake of 150 grams.
In addition, lutein also has the characteristics of heat instability, steaming, frying, microwave heating may cause the loss of lutein in food. So how much you eat is not necessarily how much you can make up.
Therefore, when the dietary supplement is insufficient, it can also be supplemented by nutrient-fortified foods or dietary supplements.
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