Latin Name Tagetes erecta L. CAS No 144-68-3 Appearance: Yellow Powder Active Ingredient: zeaxanthin Specification: Zeaxanthin 50%-95% ??? Test Method: HPLC Molecular Formula: C40H56O2 Character: It is metalescent yellow rhombus tabular crystal, extracted from ethanol with our naked eyes. It is hardly dissolve in water. Origin: It is pure natural pigment and consist in corn, spinage, eggs, fishes, algae, etc. many kinds of plants and animals by modern biotechnology. Purpose: Widely used in medicine and foodstuff industry as natural colorant Suggested Applications: 1.To protect against the common eye disease of macular degeneration. 2.To guard against cataract. 3.To protect the retina avoid of the oxidized injury when absorbing the optical fiber. 4.To protect against heart disease. 5. Antitumoral effect, can hold back the cancer cell's proliferation.