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Bulk Zeaxanthin Pulver 10% Pris
1. Introduktion av zeaxantinpulver:
Zeaxanthin är en av de vanligaste karotenoiderna i naturen och används i xantofyllcykeln. Det är ett pigment syntetiserat av växter och vissa mikroorganismer, och är pigmentet av chili peppar, majs, guldblommor, goji bär och många andra växter och mikroorganismer som har sina karakteristiska färger. Zeaxanthin är ett ämne som finns i ögatens näthinna och en viktig del av ögat.
2. Differenen t av lutein och zeaxantin :
|
The same |
The difference between |
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Extract from marigold petals |
Conjugated double bonds of lutein and zeaxanthin are different |
|
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.Basisk information:
|
Zeaxanthin |
|
|
Extract source |
|
|
Appearance |
Orange powder |
|
Specifications |
5%-73% |
|
CAS NO. |
144-68-3 |
|
Test Method |
HPLC |
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Molecular formula |
C40H56O2 |
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Molecular weight |
568.85 |
|
Water soluble |
Insoluble in water, ethanol (0.3%), soluble in ethyl acetate |
|
Grade |
Food grade/cosmetic grade |
|
Propylene glycol and potassium hydroxide |
4.Coa:
|
tems |
Standards |
Results |
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Physical Analysis |
||
|
Description |
Orange Yellow Fine Powder | Complies |
|
Assay |
10% | 10.28% |
|
Mesh Size |
100 % pass 80 mesh | Complies |
|
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 |
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.