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Skupni zeaksantinski prah 10% cijena
1. Uvod Zeaksantinskog praha:
Zeaksantin je jedan od najčešćih karotenoida u prirodi i koristi se u ciklusu ksantofila. To je pigment koji sintetiziraju biljke i neki mikroorganizmi, a pigment je čili paprike, kukuruza, marigola, bobica goji i mnogih drugih biljaka i mikroorganizama koji imaju svoje karakteristične boje. Zeaksantin je tvar koja se nalazi u mrežnici oka i važan dio oka.
2. Razlika t luteina i zeaksantina :
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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.Bazične informacije:
|
Zeaxanthin |
|
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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 |
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Water soluble |
Insoluble in water, ethanol (0.3%), soluble in ethyl acetate |
|
Grade |
Food grade/cosmetic grade |
|
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% |
|
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 |
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Izjava o privatnosti: Vaša nam je privatnost vrlo važna. Naša tvrtka obećava da neće otkriti vaše osobne podatke bilo kakvom prozonskom izričitoj dozvoli.