Lutein

[Property]：
   It is orange or yellow brown liquid or powder with specific flavour. It is insoluble to water with weak hay flavor and soluble to alcohol, ethane, oil grease, etc. the solution of oil grease is yellow, not influenced by PH value with good heat endurance quality and light resistance.
[Process]：
   It can be got from dry marigold particle diyestion, precipitation and condensing of ethane in normal temperature.
[Usage]：
   Used in beverage, cake and grease food, etc.
[Referent dosage]：
   ADI has not been defined (FAO/WHO).

Quality index：

Item	Index
Color number E440nm	20-50
Solvent residual	≤ 50 mg/kg
Arsenic (Counted as As203)	≤ 3 mg/kg
Lead(Counted as Pb)	≤ 10 mg/kg