Astaxanthin (astaxanthin), also known as xanthine shrimp, lobster shell pigment, is a carotenoid, also is the highest level in carotenoids synthetic product, dark pink, chemical structure similar to beta carotene. And beta-carotene, lutein, Angle flavin, lycopene is carotenoids synthetic intermediate, therefore in nature, astaxanthin has the strongest antioxidant activity. Widely exists in the biosphere, especially shrimp, crab, fish, algae, yeast and bird feathers in content is higher, is one of the major carotenoids in Marine organisms.

Identification
Assay by HPLC	Natural :  2% 2.5% 3%by HPLC             2% 2.5% 3% by UV Synthetic: 2% 2.5% 3% 3.5% 4% 5% by HPLC              2% 2.5% 3% 3.5% 4% 5% by UV Astaxanthin Oil: 5% 8% 10% by HPLC          5% 8% 10% by UV
CAS	472-61-7
Molecular Structure
Appearance	Dark Red Powder Dark Red liquid oil
Extract Solvent	Ethanol & water
Moisture and Volatile compounds	≦6.0%  ≦5.0% ≦2.0%
Ash content	≦5.0%  ≦5.0% ≦2.0%
Residual Solvent	Ethanol<3000ppm
Total Heavy Metals	≤10ppm
As	≤1ppm
Pb	≤1ppm
Hg	≤0.1ppm
Cd	≤1ppm
Total Plate Count	≤1000cfu/g
Total Yeast & Mold	≤100cfu/g

1.Haematococcus pluvialis extract/ astaxanthin can be used as coloring agent

2.Astaxanthin oil or Antioxidant astaxanthin is with the function of antineoplastic;

3.Natural astaxanthin and synthetic Astaxanthin has the function of antioxidant and anti-aging;

4.Astaxanthin extract has been used to prevent cardiovascular and  cerebrovascular diseases.

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