Zeaxanthin(
Corn Color) is a natural fat-soluble pigments, soluble in ether, acetone, petroleum ether, esters and other organic solvents; zeaxanthin 1% solution of lemon yellow, 10 ℃ above blood red oily liquid, 10 ℃ the following as a yellow semi-solid oil; has good resistance to oxygen, acid resistance; HTST treatment basically stable, long is unstable; temperature is relatively stable; stability of Fe and Al poor, but for other ions, acid, alkali and a reducing agent such as Na2SO3 stable; present in the solid food zeaxanthin, at room temperature and stable under natural light conditions, a 1% solution of the more sensitive to sunlight.
Zeaxanthin has a molecular structure itself, so that zeaxanthin has a strong antioxidant activity, zeaxanthin exists in the molecular structure of 11 conjugated double bonds, forming a large conjugated system, these conjugated key makes the existence of zeaxanthin can block free radical chain transfer, which has a strong antioxidant activity. Zeaxanthin in the organism by reducing the chemical activity of substances such as singlet oxygen free radicals and photochemical reactivity of sensitivity to play against oxidation. While zeaxanthin molecular structure on the tail with a hydroxyl group, enhancing its antioxidant capacity to protect the biological system from a number of processes or due to excessive oxidation reaction of the potential harmful effects of
Antioxidant zeaxanthin oxidative damage and antioxidant protection due to the imbalance caused by the metabolism of free radicals that can cause many diseases such as cardiovascular, cancer, aging, inflammation, cataract, and a series of nervous system diseases. As early as 30 years ago, researchers discovered that β-carotene with singlet oxygen quenching ability. With ongoing research, it was found that not only the β-carotene has antioxidant ability, most carotenoids have antioxidant capacity. Carotenoids chemical structure and their antioxidant activity is closely related to, oxidation activity depends on the molecular structure of the conjugated double bonds in the number and structure of the end groups. Zeaxanthin molecule has 11 conjugated double bond and a hydroxyl group on the end of a group, this structure so that they have a strong antioxidant capacity. In vivo, zeaxanthin although it is not converted to vitamin A, vitamin A activity that does not have, but it is important to the human body can use powerful antioxidant by quenching singlet oxygen free radical scavenging antioxidant such acts to protect the body tissues cells in order to reduce the risk of certain diseases.
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