Marigold lutein, chemical formula is C40H5602. Marigold lutein low-temperature extraction technology is a product-lutein ointment prepared by subcritical solvent low-temperature extraction and subcritical low-temperature extraction technology. The yield of trans-lutein in ointment is relatively high, which can effectively reduce the waste of resources and is worthy of promotion.
Lutein, a promising star in the field of botanical substances, is now being favored by people. Lutein is not only an antioxidant that inhibits cancer and heart disease risks, but also plays an important role in protecting eyes. Lutein is an important carotenoid in eyes. According to a recent report in Ophthalmology, lutein-containing foods can prevent cataracts and protect eyes from age-related macular degeneration.
Lutein is a natural substance widely existing in vegetables, flowers, fruits and other plants. It lives in the " carotenoid" group. Currently, it is known that there are more than 600 kinds of carotenoids in nature, of which only about 20 kinds exist in human blood and tissues. Carotenoids found in human body mainly include D-carotene and P-carotene. Cryptoxanthin, Lutein, Lycopene and n-Flavin. Medical experiments have proved that natural lutein contained in plants is an antioxidant with excellent performance. Adding a certain amount of lutein to food can prevent cell aging and organ aging, and can also prevent vision loss and blindness caused by macular degeneration of senile eyeball retina. Through a series of medical studies, carotenoids have been suggested to be used as cancer prevention agents, life prolonging agents and ulcer resistance agents. Resistance to heart attack and coronary artery disease. Lutein can also be used as a feed additive for coloring poultry meat and eggs, and has also been used as a coloring and nutritional health care agent in the food industry.
·Protect eyesight
Lutein plays an important role in protecting the macula in retina. Lack of lutein can easily lead to macular degeneration and blurred vision, which may lead to visual deterioration, myopia and other symptoms. Lutein is a precursor of NA and can be converted into VA in human body. Lutein's main physiological function to eyes is as antioxidant and photoprotection. Optic nerve is non-renewable and vulnerable to harmful free radicals. Lutein's antioxidant function can inhibit the formation of harmful free radicals. Lutein can absorb a large amount of blue light. The wavelength of blue visible light is close to that of ultraviolet light, which is the most potentially harmful light in visible light of retina. Before reaching sensitive cells on retina, the light first passes through the highest aggregation area of lutein. At this time, if lutein content in macula is rich, the damage can be minimized.
·Folding antioxidant effect
Lutein has a strong antioxidant effect, which can inhibit the activity of reactive oxygen radicals and prevent the damage of reactive oxygen radicals to normal cells. Relevant experiments prove that reactive oxygen radicals can react with DNA, proteins and lipids to weaken their physiological functions, thus triggering the occurrence of chronic diseases such as cancer, arteriosclerosis, aging xanthorrhagic degeneration, etc. Lutein can inactivate singlet oxygen through physical or chemical quenching, thus protecting the body from damage and enhancing the immune ability of the body.
·Folding Reduces Cataract Incidence
Cataract is a major eye disease causing blindness worldwide. The latest research proves that the aim of birth rate can be achieved by increasing lutein intake. At present, it is believed that the mechanism is that the lower macular pigment density is closely related to the higher lens visual density of the middle-aged and elderly people, while the higher lens visual density is considered to be the obvious characteristic of cataract onset.
·Folding Delays Atherosclerosis
Recent research results show that lutein can delay the process of early arteriosclerosis. The main reason is the relationship between the change of intimal thickness of arterial main artery and lutein content in blood. The lower lutein content in blood is easy to cause thickening of arterial wall. With the gradual increase of lutein content, the thickening trend of arterial wall decreases, and arterial embolism also decreases significantly. At the same time, phylloxera in arterial wall cells can also reduce the oxidation of LDL cholesterol.
·Folding anticancer effect
Many studies have shown that lutein has inhibitory effects on various cancers, such as breast cancer, prostate cancer, rectal cancer, skin cancer, etc. According to a recent study by the School of Medicine of new york University, there is a close relationship between reducing the incidence rate of breast cancer and lutein intake. The investigation found that the incidence rate of breast cancer in the experimental group with low lutein intake is (2.08 ~ 2.21) times higher than that in the group with high intake. This effect may involve the synergistic indirect immunomodulatory effect with other organs and tissues. The study concluded that the intake of lutein in diet can not only inhibit swollen cancer but also prevent tumor occurrence. Relevant agencies suggest that the intake of 400 g~600 g of fruits and vegetables per person per day can reduce the relative risk of cancer by 50%.
·Effect of Folding on Retinal Pigment Degeneration (RP)
Retinitis pigmentosa (RP) is a chronic, progressive, hereditary and malnourished retinopathy. In the early stage of RP, there are only night blindness symptoms, which do not affect the work at all. Night blindness symptoms often appear in childhood. With the development of the disease, the dark adaptation ability deteriorates, fear of light, vision declines quietly, vision shrinks, and finally becomes tubular vision and blindness, which is called " cancer that is not cancer". RP mainly includes primary retinitis pigmentosa, crystalline retinitis pigmentosa, white spot retinitis pigmentosa and achromatic retinitis pigmentosa. RP lesions are mainly progressive degeneration of retinal nerve epithelial layer, especially rod cells responsible for vision under dark light, with night blindness, followed by gradual atrophy of retina tissues from outside to inside, accompanied by glial hyperplasia. Degeneration and hyperplasia of pigment epithelium also occur, and pigment loss or accumulation can be seen and migrate to inner retina. The retinal vascular wall is thickened by hyalinization, and even the lumen is completely occluded. Choroidal vessels may harden to varying degrees, and capillaries completely or partially disappear. The optic nerve can completely atrophy, and glial hyperplasia often occurs on the optic ribs, forming membrane blocks that are connected with the glial membrane in the retina. The Harvard University Eye Disease Case Management Team studied the relationship between the intake of lutein and age-related macular degeneration (AMD) and retinal pigment degeneration (RP). The patients were divided into three groups with lutein intake below 30mg, 10mg and 3mg per day respectively. If 30mg lutein is ingested daily for 140 days, the retinal pigment will increase by 20 ~ 40% on average, and the vision of patients with age-related macular degeneration (AMD) and retinal pigment degeneration (RP) will obviously increase. However, there was a 86% difference in treatment rates between the 30mg group and the group below 3mg. It can be seen that lutein supplementation can increase the retinal pigment density, improve the vision of RP patients, and improve the treatment rate of RP.
·Folding for prevention and treatment of diabetic retinopathy
Diabetic retinopathy is caused by long-term invasion of hyperglycemia, which causes retinal capillary circulation disorder in eyes: slow blood flow, tissue hypoxia, degeneration and fragility of capillary wall, microangioma, punctate or flaky hemorrhage and cotton wool exudation on retina at posterior polar part of fundus, resulting in visual deterioration. If not treated in time at this time, the lesion will further develop. The retinal neovascularization due to hypoxia will cause vitreous hemorrhage, reproductive retinopathy, traction retinal detachment, secondary glaucoma, etc., leading to blindness. Lutein and zeaxanthin can significantly improve the resistance of blood vessels, restore the balance of osmotic pressure inside and outside blood vessels, reduce the permeability of blood vessels, inhibit the leakage of substances in blood vessels, ensure the integrity of blood vessels in eyes, and allow eyes to obtain sufficient blood supply. At the same time, it can prevent the damage caused by the combination of free radicals and eye collagen, strengthen the retinal collagen structure, thus improving the treatment rate of various retinal diseases (such as diabetic retinopathy, retinitis pigmentation, hemorrhagic and hypertensive retinopathy, macular degeneration, etc.), and improving and recovering the vision loss caused thereby.
Lutein is non-toxic and safe, has excellent physiological effects, conforms to the development direction of food additives of " natural", " nutrition" and " multi-function", and can be used as an effective food nutrition and health care additive in foods together with other beneficial complementary nutrition elements. With the improvement of extraction technology and the improvement of food industrialization level, lutein will have more and more broad prospects in health food and other fields.（marigold）
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