Bulk Zeaxanthin Pulver 10% Preis
1. Einführung von Zeaxanthin-Pulver:
Zeaxanthin ist eines der häufigsten Carotinoide in der Natur und wird im Xanthophyll-Zyklus verwendet. Es ist ein Pigment, das von Pflanzen und einigen Mikroorganismen synthetisiert wird, und ist das Pigment von Chili-Paprika, Mais, Ringelblumen, Goji-Beeren und viele andere Pflanzen und Mikroorganismen, die ihre charakteristischen Farben haben. Zeaxanthin ist eine Substanz, die in der Retina des Auges und einem wichtigen Teil des Auges gefunden wird.
2. Unterschiede T von Lutein und Zeaxanthin :
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The same |
The difference between |
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Extract from marigold petals |
Conjugated double bonds of lutein and zeaxanthin are different |
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Chemical similarity is an isomer |
Lutein has an asymmetric three-dimensional structure and can only be extracted naturally, while zeaxanthin has a symmetrical structure and can be chemically synthesized, with three three-dimensional configurations. |
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Insoluble in water, ethanol |
Zeaxanthin is mainly concentrated in the central macular area, while lutein is distributed throughout the retina. |
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Antioxidant properties, protects eyesight and filters blue light |
The two pigments differ in color and ability to quench singlet oxygen. Zeaxanthin has stronger antioxidant ability than lutein |
3.Basic-Informationen:
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Zeaxanthin |
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Extract source |
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Appearance |
Orange powder |
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Specifications |
5%-73% |
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CAS NO. |
144-68-3 |
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Test Method |
HPLC |
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Molecular formula |
C40H56O2 |
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Molecular weight |
568.85 |
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Water soluble |
Insoluble in water, ethanol (0.3%), soluble in ethyl acetate |
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Grade |
Food grade/cosmetic grade |
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Propylene glycol and potassium hydroxide |
4. coa:
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tems |
Standards |
Results |
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Physical Analysis |
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Description |
Orange Yellow Fine Powder | Complies |
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Assay |
10% | 10.28% |
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Mesh Size |
100 % pass 80 mesh | Complies |
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Ash |
≤ 5.0% | 2.85% |
| Loss on Drying | ≤ 5.0% | 4.06% |
| Chemical Analysis | ||
| Heavy Metal | ≤ 10.0 mg/kg | Complies |
| Pb | ≤ 2.0 mg/kg | Complies |
| As | ≤ 1.0 mg/kg | Complies |
| Cd | ≤ 0.1 mg/kg | Complies |
| Hg | ≤ 0.1 mg/kg | Complies |
| Residue of Pesticide | Negative | Negative |
| Microbiological Analysis | ||
| Total Plate Count | ≤ 1000cfu/g | Complies |
| Yeast&Mold | ≤ 100cfu/g | Complies |
| E.coil | Negative | Negative |
| Salmonella | Negative | Negative |
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