Natural Colorants
Transition from synthetic to natural colors powdered by botanical extracts with added nutritional benefits. Gardenia (Gardenia jasminoides Ellis) belongs to the Rubiaceae family and the Gardenia genus. It is widely distributed in tropical and subtropical regions and is recognized in China as both a medicinal and edible resource.
Gardenia Blue
Gardenia Blue is produced through the biotransformation and hydrolysis of geniposide, followed by condensation with amino acids. It appears as a dark blue to black powder, forming a deep blue solution in water.
Main colorant: Genipin-peptide polymer
Gardenia Yellow
The yellow colorant in gardenia comes from carotenoid compounds, known as Gardenia Yellow Colorant. It appears as a yellow to orange-red crystalline powder that forms a bright, transparent yellow solution in water.
Main colorant: Crocin (similar to saffron carotenoids)
Gardenia Red
Gardenia Red is also formed through the biotransformation and hydrolysis of geniposide, followed by condensation with amino acids. It appears as a blue-violet to black powder, producing a magenta (reddish-purple) solution in water.
Main colorant: Genipin-Arginine or Lysine conjugates
(blue-amino acid reactions produce magenta tones)
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