Our human body cannot synthesize lutein by itself, and can only obtain it from the outside world. In nature, lutein and zeaxanthin coexist, and industrial mass production is generally extracted from marigold flowers. In recent years, the key roles of marigold extract lutein and zeaxanthin in the fields of skin health, cognition, and maternal and infant nutrition have become more and more obvious, and they have been continuously recognized by the public. The health effects deserve further exploration. Kingsci Bio's extensive research on marigold extract over the past 15 years has proven that marigold extract is an essential nutrient for an ideal diet.
Is marigold extract good for the eyes?
Lutein and zeaxanthin accumulate in various organs of the body. Although not the vitamin A precursor carotenoids, this accumulation suggests that lutein and zeaxanthin have important physiological roles. Lutein and zeaxanthin accumulate in the retina of the eye and are the only two dietary carotenoids that are selectively deposited in the macular region of the retina, also known as macular pigment. They are also the only carotenoids that are present in the lens of the eye and perform important functions.
How an individual should choose eye care product?
1. According to the recipe ingredients
Lutein powder can be directly absorbed by the human body, while lutein ester needs to be converted into lutein in the human body before it can be absorbed. Many eye care products on the market are based on lutein esters. This is because lutein ester can significantly slow down its content loss under the conditions of dark light, oxygen barrier and low temperature, and the stability of lutein ester are stronger than that of lutein powder. Secondly, it also depends on other nutrients except for lutein. Some brands will add some other nutrients such as vitamin A, zeaxanthin, astaxanthin, cod liver oil, blueberry, etc., you can choose the one that suits you according to your own situation. For example, those with symptoms of dry eyes can choose those containing vitamin A, because vitamin A deficiency can cause dryness of the epithelium and reduce the secretion of the lacrimal gland, which leads to dry eyes.
In addition, eye care products with more complex ingredients need to be purchased according to their own conditions and after consulting a professional. For example, sugar is added as the main ingredient in the formula, and this product has lost the effect of protecting the eyes.
2. Check the lutein content
The recommended dose by Kingsci Bio: 6-10mg/day daily is beneficial for maintaining visual health. It is better to choose a lutein content of Less than or equal to 10mg when purchasing; 40mg/day is the tolerable maximum intake of lutein, which belongs to the treatment of dosage that needs to be taken as prescribed by a doctor, and long-term overdose will cause a burden on the liver.
Where to buy Marigold extract?
Marigold flower is currently one of the main raw materials for industrial extraction and preparation of lutein and zeaxanthin, and the main extraction technology is solvent extraction. In addition, although lutein has high physiological activity, because lutein is a fat-soluble substance and has a large number of conjugated double bonds in its molecular structure, it is easily oxidized and decomposed under the conditions of light, heat and oxygen, and its stability And poor water solubility, thus limiting its deep processing and utilization. In recent years, Kingsci Bio has made breakthroughs in technology and continued to develop. It is committed to the research and development of lutein microcapsule products and zeaxanthin microcapsule products prepared from marigold extracts. Microencapsulation technology uses gelatin, gum arabic and other substances to encapsulate lipid-soluble active substances such as lutein into tiny particles (microcapsules) to achieve the purpose of improving the stability and biological activity of the encapsulated substances. Lutein microcapsule products are stable The properties have been significantly improved, and the water solubility is good, which greatly meets the needs of the field of eye protection products.