Chinese name: Gardenia red pigment

Process: extraction → fermentation → refining → concentration → drying

Properties: Dark purple powder, bulk, paste or liquid

Uses: For general food

It is soluble in water, and easily soluble in propylene glycol aqueous solution (under 50%) with bright purplish-red in color, but it is Insoluble in absolute ethyl alcohol and oil. It's a natural coloring agent extracted by modern biological technology from gardenia fruit- a kind of carlemanniaceae plants.

Properties: dark purple powder, bulk, paste or liquid; slight special odor, tasteless; no hygroscopicity.

Process: Gardenia fruit →Extraction → Fermentation → Refining → Concentration → Drying

Stability: when pH values 2.5 ~ 8, tonality varies only + 5%, showing good stability; when pH values more than 6, red color is slightly lighter. The color does not fade at 100℃.It shows good light resistance when the pH values 4～6, and slight change when the pH values 2.5 and 8.It’s easy to produce precipitation when PH values less than 3.5. It’s stable against Al2+, Ca2+, but unstable against Fe2+, Sn2+ (especially in aqueous solution whose pH is at around 4.6), thus, attention should be paid. Adding cysteine hydrochloride can enhance the chrominance. Salt has no effect on color value and tonality.  

Coloring power: good dyeing power against proteins and carbohydrates.

As red coloring agent for general food, such as noodles, stuffing, cold snacks, red bean and rice, beverages, sweet wine, etc.