Gardenia yellow

Gardenia yellow CAS: 1934-20-9 Quality Standard: GB 7912-2010 sources of raw materials: Rubiaceae Gardenia, gardenia can be used to brew a tea. Functionality: coloring; carotenoids, vitamin A source, with detoxification, blood pressure, gallbladder and other effects. Properties: 1, orange or red-brown crystalline powder paste; 2, soluble in water, soluble in ethanol and propylene glycol, insoluble in oil weak acid solution or a neutral color tone hardly affected by changes in the environment PH. PH value of 4.0-6.0 or 8.0 to 11.0, the present stable than β- carotene pigment, especially partial bright yellow under alkaline conditions. 3, neutral or alkaline, the pigment lightfastness, heat resistance are good, but when poor acidic, prone to browning resistant metal ions (iron ions outside) is better, iron ions make its tendency blackened tolerance, reduction resistance, resistance to microbial better. 4, starch than protein coloring, coloring to both more stable. Sugar has a stabilizing effect on the goods. After improvements: When acidic, relatively stable and can be used in acidic beverages. Uses: Can be used for fruit juice (flavored) drinks, wine, pastries color equipment, cakes, popsicles, ice cream, candied fruit, puffed food, jelly, bread, candy, chestnut canned food coloring.