Astaxanthin, also known as shrimp yellow, lobster shell pigment, is a carotenoid, also the highest level of carotenoid synthesis, dark pink, chemical structure similar to β-carotene. While β-carotene, lutein, canthaxanthin, and lycopene are all intermediates in the synthesis of carotenoids, astaxanthin has the strongest antioxidant activity in nature. It is widely found in the biological world, especially in the feathers of shrimp, crab, fish, algae, yeast and birds. It is one of the main carotenoids in marine organisms.
1. Can effectively resist wrinkle whitening
The ultraviolet rays are classified into long-wave ultraviolet UVA and short-wave ultraviolet UVB. Among them, UVA, which has long wavelength, can reach the dermis layer, mainly damages collagen and elastin, and the skeleton supporting the epidermis disappears, resulting in uneven skin folds and skin wrinkles. UVB mainly acts on the epidermis, resulting in Sunburn or deposition of melanin, forming spots or darkening of the skin. Astaxanthin can significantly reduce the damage of collagen and elastin in the dermis by ROS and NMP, and ensure the normal metabolism of the skin. If topical astaxanthin is combined with oral astaxanthin and supplemented with some collagen-rich foods, the repair of wrinkles will be rapid.
2, anti-UV radiation
It is well known that ultraviolet radiation is an important cause of skin aging and skin cancer. Studies have shown that astaxanthin has a special effect on transglutaminase, which can consume putrescine when the skin is exposed to light. Oral astaxanthin has a stronger inhibitory effect on the accumulation of putrescine than oral vitamin A.
3. Inhibition of diabetic nephropathy
70% of urinary patients will develop nephropathy within 5 years. Astaxanthin is the only substance found to effectively prevent diabetic nephropathy. Astaxanthin mainly protects glomerular basement membrane and prevents hyperglycemia. Free radicals to destroy the basement membrane;
4, enhance immunity, relieve exercise fatigue
Astaxanthin can significantly affect the immune function of animals. In the presence of antigen, it can significantly promote the ability of spleen cells to produce antibodies, enhance the role of T cells, and stimulate the production of immunoglobulin in vivo.
5, anti-inflammatory and anti-infective properties
Joint pain and arthritis are usually caused by oxidative damage caused by free radicals. The strong antioxidant properties of astaxanthin help to inhibit free radicals and reduce their oxidative damage to joints.
6, inhibit tumor
Tanaka et al. have speculated that astaxanthin has significant anticancer properties. Astaxanthin can also induce transferase in the liver, significantly inhibiting mouse bladder cancer, rat oral cancer, colon cancer, and gastric cancer, and its effect is more obvious than that of β-carotene.
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