Astaxanthin is an natural carotenoids with high antioxidant activity, mainly used in the aquaculture industry. With economic development, health concerns, particularly the increase in age-related degenerative diseases, people have more demands of astaxanthin, astaxanthin as cosmetic raw material and food ingredients have more and more applications. The global carotenoids sales of $ 887 million in 2004, which astaxanthin accounted for $ 234 million, about $ 2500-3000 per kg in the international market price of natural astaxanthin.
Most of astaxanthin produce in china are not deep processing of coarse, the content is 1.O% -2.0%, the price is $ 100-200 per kilogram.
In carotenoids, astaxanthin’s antioxidant activity is the third largest, rank only second to lycopene and ³-carotene. Astaxanthin as an antioxidant, a feature of it different from other carotenoids is that it can through the blood-brain barrier, so you can protect the brain and nerves to avoid oxidative damage. Astaxanthin antioxidant derived active, the most studied anti-inflammatory, sun care and heart health. The anti-inflammatory properties is closely related to oxidation resistance. Animal tests found that regular intake of astaxanthin, have good effect on rheumatoid arthritis inflammation disorders. The tests showed that arthritis patients taking astaxanthin, the feeling of pain decreased by 35% after taking four weeks. The research shows that, in the prevention of lipid ultraviolet light oxidation, protect the skin from UV damage, astaxanthin has a more significant effect than beta-carotene and lutein. With the ability of protecting cell membranes internal and membrane surface prevent oxidation.
Human skin by UV stimulation of sun exposure, the skin was red, or sun spots. Thus there are a lot of sunscreen, skin cream on the market. An research project by astaxanthin manufacturershow that: before taking astaxanthin, the first determination of the intensity of the UV dose is really necessary for the skin to become red, and then for two consecutive weeks taking astaxanthin 4 mg daily doses. Then do the skin form sun spots UV intensity required test results after two weeks, it shows that the required UV dose is significantly enhanced than before taking astaxanthin.
The low-density lipoprotein in plasma is oxidized, is an important reason to lead to increased blood viscosity and promote atherosclerosis. A lot of clinical data showed that the intake of exogenous antioxidants can prevent the occurrence of cardiovascular disease. Some tests showed that a daily intake of 3.6 mg astaxanthin for two consecutive weeks, can prevent the oxidation of low-density lipoprotein, increased high-density lipoprotein concentration. Astaxanthin to change the composition of the blood lipoprotein cholesterol to be benefit for heart health. With the depth functional studies of astaxanthin, the application of astaxanthin is gradually turn to the food, drinks and cosmetics market, but from the consumption statistics, used as feed additives for fish, prawns, crabs and poultry still a major international astaxanthin prime-largest market.
Astaxanthin can non-specific binding with myoglobin, therefore, the fish and crustaceans absorption and accumulation of astaxanthin is much more effective than other carotenoids such as angle zeaxanthin, lutein and zeaxanthin. Astaxanthin added to poultry feed, egg yolk can increase the pigment content. Astaxanthin is also able to increase the flavor of the fish. In 2006, Chinese demand for astaxanthin is up to 6000 kg, accounting for 6.82% of the total world demand. As of the end of 2005, the global natural astaxanthin production is less than four tons.
Source:http://www.cosprm.com
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