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Nutritional supplement lutein: blue light nemesis

October 27, 2021

Food Business Network News Short-wave blue light is a high-energy light with a wavelength between 400 and 480 nm. It has high penetrating power and strong scattering. It directly penetrates the lens and reaches the retina, causing macular degeneration, which causes visual impairment - permanent blindness. Blu-ray is abundant in LED lights, computer monitors, mobile phones, digital products, LCD screens, Yuba, and high-beam lights. The lens of young children and adolescents can't filter blue light, and the cornea and macula area are very delicate. In the video era, blue light has become a major killer of early myopia in children and adolescents.

According to data from the Chinese Medical Association Ophthalmology Society, 63.5% of China's 420 million Internet users have reduced vision, cataracts, blindness and other eye diseases due to blue light and radiation. The retina can withstand most of the light, with the exception of blue light. Blu-ray is like a sharp sword, reaching the fundus and stabbing the macula. Especially in the era of a smart phone, the blue screen of the mobile phone screen is far more than the TV, which also causes more serious damage to the eyes.

The epidemiological survey in the Mainland found that patients with macular degeneration have a tendency to become younger in recent years and have evolved into a highly harmful scientific and technological disease. Diabetic retinopathy, which was once one of the four most common causes of blindness in developed countries, is also on the rise in China.

As early as 1990, British experts completed the study of senile retinal macular degeneration (AMD) vision. The research report pointed out that the anti-oxidation effect of lutein can protect the retina and prevent the occurrence of AMD. In 1995, the US Food and Drug Administration (FDA) approved lutein as a nutritional supplement.

The reason why lutein is necessary is that it provides a barrier to the fundus. However, the human body cannot synthesize lutein itself and can only obtain it from the outside world. Normal people consume only 0.5-1 mg of lutein per day through food, so it is feasible to supplement professional lutein tablets.

American nutritionists suggest that adults in modern society should consume 10-20 mg of lutein daily.

Studies at the Florida International University show that after 140 days of lutein intake, the macular pigment density increases by 30% and the blue light retina intensity decreases by 30%.

Good lutein products need to have three characteristics: First, stability. Not affected by sunlight, high temperature, stomach acid. The second is easy to dissolve. Good lutein products can be completely dissolved, directly absorbed by the small intestine, and improve utilization. Third, the purity is high. Contains no impurities that have a burden on the liver and kidney. For example, Lutein is purified from natural marigold, and the nano-scale microcapsule patent technology is used to convert the fat-soluble lutein into water-soluble lutein. The product is not only safe and stable, but also improves the absorption and utilization rate.

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