| Customization: | Available |
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| CAS No.: | 127-40-2 |
| Formula: | C40h56o2 |
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Lutein is extracted from marigold flower. Lutein is kind of xanthophyll and one of naturally occurring carotenoids. Usually lutein coexists with its isomer zeaxanthin, and they can be interconverted in the body. Lutein is synthesized only by plants. Humans and mammals must obtain lutein from food. Lutein is not only a natural coloring agent, but also great material for supplements.
| Items | Standard |
| Appearance | Orange yellow powder |
| Total Carotenoids | ≥5% |
| Lutein | ≥5% |
| Particle Size | ≥95% pass 80 mesh |
| N-hexane | ≤50mg/kg |
| Loss on Drying | ≤6.0% |
| Residue on Ignition | ≤1.0% |
| Lead | ≤1mg/kg |
| Arsenic | ≤1mg/kg |
| Mercury | ≤0.1mg/kg |
| Cadmium | ≤1mg/kg |
| Total Plate Count | ≤1000cfu/g |
| Total Yeast&Mold | ≤100cfu/g |
| Coli Group | ≤3.0MPN/g |
and macula.
It can improve the fundus microcirculation and protec retinal tissue, especially the optic cells.
Lutein can effectively filter ultraviolet and blue light, reducing the damage of light to the eyes
ultraviolet light.
Lutein is very important supplement during the development period of children's vision.
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