Xanthophyll is a carotenoid widely existing in fruits, vegetables, corns, flowers and chicken eggs. And our food grade xanthophyll is extracted from Aztec marigold. It can delay the degradation of eyesight and acroisa of elderly persons caused by the degradation of macula lutea. It can also prevent the coronary heart diseases and tumors etc.

Molecular properties:
    Chemical name: 3,3-Dihydroxy-alpha-carotene
    Molecular formula: C₄₀H₅₆O₂;
    Molecular weight: 568.9;
    Structural formula: Content of xanthophyll: 5%, 10%, 20%, 40%, 50%, 60%, 70%, 80%, 85%, 90%, 95%
Arsenic: ≤2mg/kg;
Heavy metal(Pb): ≤5mg/kg;
Total numbers of colony: ≤1000CFU/g;
Yeast and mould: ≤100CFU/g;
Salmonella: negative;
Escherichia coli: negative.
Effect:   
    1.It is a health protective colorant;
    2.Can prevent eye diseases;
    3.Effective antioxidant;
    4.Prevent heart diseases.

Packing & storage:
    1.In 1kg aluminum foil vacuum bag;
    2.Or packed upon clients' request;
    3.Stored in dry place with low temperature, avoid direct sunlight.

Shelf life:
    12 months.