Gardenia blue powder
Carthamus tinctorius
Fruit
E40/E60
Blue powder
Product Introduction of Gardenia Blue Powder:
Gardenia Blue, a natural food pigment, is got from the gardenia (Gardenia jasminoides ELLIS) fruit of madder family by biological fermentation.
Gardenia Blue natural dye is made from the seeds of the cape jasmine, gardenia jasminoides. Gardenia seeds have been used for centuries as a yellow dye in East Asia, and in the 1980s Japanese scientists discovered that they would also produce a blue pigment if they were fermented with a natural amino acid. This process was recently improved when scientists identified some naturally heat-resistant amino acids, which made it possible to produce even darker, more concentrated gardenia seed extractions. Use at 10% weight-of-fabric on fibers mordanted with alum.
Product Specification of Gardenia Blue Powder:
| Analysis Items | Specifications | Test Methods |
| Identification | Positive | TLC |
| Appearance & Color | Fine blue powder | Visual |
| Method of Extraction | Hydro-alcoholic | / |
| Extract Solvent | Grain alcohol/Water | / |
| Moisture Content | NMT 5.0% | 5g / 105℃ / 2hrs |
| Ash Content | NMT 5.0% | 2g / 525℃ / 3hrs |
| Heavy Metals | NMT 10ppm | Atomic Absorption |
| Arsenic (As) | NMT 1ppm | Atomic Absorption |
| Cadmium (Cd) | NMT 1ppm | Atomic Absorption |
| Mercury (Hg) | NMT 0.1ppm | Atomic Absorption |
| Lead (Pb) | NMT 3ppm | Atomic Absorption |
| Total Plate Count | NMT 10,000cfu/g | |
| Total Yeast & Mold | NMT 1,000cfu/g | |
| E. Coli | Negative | |
| Salmonella | Negative | |
| Staphylococcus | Negative | |
| Aflatoxins | 0.2ppb |
Product function and application :
Gardenia Blue Powder Pigments are widely used in canned, pectin, agar, pudding, mahamelose, biscuits, pine cake, cake prefabricated powder, cream, ice cream, dairy products, vegetables, green beans and other canned food Coloring for blue colorants.
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