China High Quality Mecobalamin Suppliers - Curcumin | 82508 – COLORKEM
China High Quality Mecobalamin Suppliers - Curcumin | 82508 – COLORKEM Detail:
Products Description
Curcumin is the principal curcuminoid of the popular Indian spice turmeric, which is a member of the ginger family (Zingiberaceae). Turmeric’s other two curcuminoids are desmethoxycurcumin and bis-desmethoxycurcumin. The curcuminoids are natural phenols that are responsible for the yellow color of turmeric. Curcumin can exist in several tautomeric forms, including a 1,3-diketo form and two equivalent enol forms. The enol form is more energetically stable in the solid phase and in solution.Curcumin can be used for boron quantification in the curcumin method. It reacts with boric acid to form a red-colored compound, rosocyanine.Curcumin is brightly yellow colored and may be used as a food coloring. As a food additive, its E number is E100.
Specification
| ITEMS | STANDARDs |
| Appearance | Yellow or Orange Fine Powder |
| Odor | Characteristic |
| Assay(%) | Total Curcuminoids:95 Min by HPLC |
| Loss on drying(%) | 5.0 Max |
| Residue on Ignition(%) | 1.0 Max |
| Heavy Metals(ppm) | 10.0 Max |
| Pb(ppm) | 2.0 Max |
| As(ppm) | 2.0 Max |
| Total Plate Count(cfu/g) | 1000 Max |
| Yeast & Mold(cfu/g) | 100 Max |
| E.Coli | Negative |
| Salmonella | Negative |
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By Carol from Botswana - 2017.10.23 10:29
The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
By Modesty from Belarus - 2017.03.07 13:42
