Lutein is a carotenoid, a natural pigment found in vegetables, fruits and other organisms. It is found in marigolds at the highest concentration, and its main components are lutein and zeaxanthin.
Lutein powder raw materials are orange-yellow powder or yellow-brown liquid. It is insoluble in water, soluble in propanol and methanol, and has good heat resistance. Our company not only provides raw materials, but also customizes capsules and tablets, which are also popular with customers. It can also be used for coloring health products, sugar coatings for tablets, and coloring capsules.
ITEMS | METHODS | SPECIFICATIONS | RESULTS | ||||
Appearance | Visual | Orange powder | Complies | ||||
Odor | Organoleptic | Characteristic | Complies | ||||
Taste | Organoleptic | Characteristic | Complies | ||||
Lutein content | HPLC | ≥ 5.00% | 5.25% | ||||
Zeaxanthin content | HPLC | ≥ 0.50% | 0.60% | ||||
Loss on drying | 3h/105℃ | ≤ 5.0% | 3.31% | ||||
Granular size | 80 mesh sieve | 100%Through 80 mesh sieve | Complies | ||||
Residue on Ignition | 5h/750℃ | ≤ 5.0% | 0.62% | ||||
Residual solvent | |||||||
Hexane | GC | ≤ 50 ppm | Complies | ||||
Ethanol | GC | ≤ 500 ppm | Complies | ||||
Pesticide | |||||||
666 | GC | ≤ 0.1ppm | Complies | ||||
DDT | GC | ≤ 0.1ppm | Complies | ||||
Quintozine | GC | ≤ 0.1ppm | Complies | ||||
Heavy metals | Colorimetry | ≤ 10ppm | Complies | ||||
As | AAS | ≤ 2ppm | Complies | ||||
Pb | AAS | ≤ 1ppm | Complies | ||||
Cd | AAS | ≤ 1ppm | Complies | ||||
Hg | AAS | ≤ 0.1ppm | Complies | ||||
Microbiological control | |||||||
Total plate count | CP2010 | ≤ 1000cfu/g | Complies | ||||
Yeast & mold | CP2010 | ≤ 100cfu/g | Complies | ||||
Escherichia coli | CP2010 | Negative | Complies | ||||
Salmonella | CP2010 | Negative | Complies | ||||
Storage: | Store in cool & dry place, keep away from strong light and heat |
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