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
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The difference between
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Extract from marigold petals
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Conjugated double bonds of lutein and zeaxanthin are different
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Chemical similarity is an isomer
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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
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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
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The two pigments differ in color and ability to quench singlet oxygen. Zeaxanthin has stronger antioxidant ability than lutein
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3.Bazične informacije:
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product name
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Zeaxanthin
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Extract source
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Marigold
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Appearance
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Orange powder
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Specifications
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5%-73%
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CAS NO.
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144-68-3
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Test Method
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HPLC
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Molecular formula
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C40H56O2
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Molecular weight
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568.85
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Water soluble
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Insoluble in water, ethanol (0.3%), soluble in ethyl acetate
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Grade
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Food grade/cosmetic grade
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extraction solvent
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Propylene glycol and potassium hydroxide
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4.coa:
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tems
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Standards
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Results
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Physical Analysis
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Description
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Orange Yellow Fine Powder
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Complies
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Assay
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10%
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10.28%
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Mesh Size
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100 % pass 80 mesh
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Complies
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Ash
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≤ 5.0%
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2.85%
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Loss on Drying
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≤ 5.0%
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4.06%
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Chemical Analysis
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Heavy Metal
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≤ 10.0 mg/kg
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Complies
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Pb
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≤ 2.0 mg/kg
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Complies
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As
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≤ 1.0 mg/kg
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Complies
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Cd
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≤ 0.1 mg/kg
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Complies
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Hg
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≤ 0.1 mg/kg
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Complies
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Residue of Pesticide
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Negative
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Negative
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Microbiological Analysis
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Total Plate Count
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≤ 1000cfu/g
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Complies
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Yeast&Mold
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≤ 100cfu/g
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Complies
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E.coil
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Negative
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Negative
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Salmonella
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Negative
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Negative
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