[Property]:
   Light yellow or red liquid or powder. Water solution is bright golden yellow with strong dyeing power, most suitable for PH3-10 and good light resistance. It’s stable within 180 ℃. It has good stability for metal ion with no influence when it is mixed with some common food additives such as sucrose, tea polyphenols and sodium benzoate, etc.
[Processing]:
    Extracted from Gardenia fruit powder by means of microwave, and made from ultrafiltration, nanofiltration and filtration, refining and drying.
[Usage]:
    It can be used in coloring such as pan cake, cookie, candy, assembled alcoholic drinks, juice and beverage, etc and also used in the industries such as pharmacy and cosmetics, etc.
[Reference dosage]：
    Generally 0.2‰～1‰.

Quality index：

Item	Index
Color number E440nm	20—500
Water content	≤ 7.0 %
Ash content	≤ 9.0 %
Arsenic(Counted as As)	≤ 2 mg/kg
Lead(Counted as Pb)	≤ 3 mg/kg
Heavy metal	≤ 10 mg/kg