Purple Sweet Potato Color

Safflower Yellow is a natural food pigment extracted from the petal of Carthamus Tinctoria L. by the process of extracting, filtrating, purifying, concentrating, sterilizing, spraying & drying. The main coloring ingredient is carthamine. ·Characteristics The appearance of safflower yellow is yellow or brown yellow powder. It can easily dissolve in water and ethanol solution, but not in ether, petroleum ether, oil and acetone. It is an excellent coloring agent for starch, but slightly coloring for protein. Ferric ion can make it becomes black. It has good resistance to light and high temperature. ·Quality Standard ItemsEnterprise StandardAppearance Yellow or Brown Yellow PowderColor Value E1%1cm405±5nm 100200Loss on Drying % Less than 10Ash % Less than 4Leadas Pb mg/kg Less than 5Arsenicas As mg/kg Less than 1Total Plate Count cfu/g Less than 1,000Pathogenic Bacteria Negative