what is of Indigo with CAS 482-89-3?
It can be used as food coloring agent with the provisions of China being able to be used in red and green silk and the maximum usage amount of 0.02g/kg; it can be used in the juice (flavor) beverages, carbonated beverages, wine, candy, pastry coloring, dyeing cherry can decorative) and green plum with the maximum usage amount of 0.10g/kg; the maximal usage amount in the dipping pickles of 0.01g/kg.