Natural colorant extracted from the fruits of Gardenia jasminoides, G.florida or G. augusta var.gardiflora by biological fermentation.
Gardenia blue is one of the natural blue colorants which are rather rare in the world. Compared to artificially synthesized blue pigments, such as brilliant blue and indigo blue, gardenia blue is more safe and natural to human body. Gardenia blue is dark blue powder. It can easily dissolve in water, ethanol solution and propylene glycol solution, can not dissolve in organic solvent. It is nearly tasteless and has low ability of moisture absorption. The shade is stable in medium when pH value is between 4 to 8.It has a good resistance to temperature, but not to light. The dyeability is good to protein than starch.
Application and Uasge:
It can be used as pigment for candy, butin, biscuit, cookie, dairy, jam, beverage, juice and wine. It can also b used in medicine and cosmetics.
It can be mixed with other natural pigment such as gardenia yellow and carthamin yellow for green, and other colors you need. Morever, the color of itself can vary from sea blue to sky blue by different processing techniques.
Protected from light and heat,stored in cool, dry and airproof conditions.