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$91-95 /Kilogram
| Incoterm: | FOB,DAF,DES,CFR,CIF,EXW,FAS,FCA,CPT,CIP,DEQ,DDP,DDU,Express Delivery |
| Quantidade de pedido mínimo: | 1 Kilogram |
| transporte: | Express,Air,Land,Ocean,Others |
| porta: | Shanghai Port,Tianjin Port,Guangzhou Port |
Modelo: Youth-081
marca: Juventude
Tipos De: Extrato de erva
Traços: Em pó
Localização: Folha
Método De Extração: Extração de solvente
Pacote: TAMBOR, Recipiente de plástico
Lugar De Origem: China
Test Method: HPLC
Product Name: Zeaxanthin Powder
Extract Source: Marigold
Appearance: Orange powder
Specifications: 5%-73%
CAS NO.: 144-68-3
Solubility: Insoluble in water, ethanol (0.3%), soluble in ethyl acetate
Grade: Food grade/cosmetic grade
Extraction Solvent: Propylene glycol and potassium hydroxide
| Unidades de venda | : | Kilogram |
| Tipo de pacote | : | 1. 1 quilo por saco de folha de alumínio com um plástico-sacos dentro; 2. 25 quilogramas por barril de papelão com sacos de plástico dentro; 3. Embalagem como os requisitos dos clientes. |
| Baixar | : |
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Pó de zeaxantina a granel 10% preço
1. Introdução do pó de zeaxantina:
A zeaxantina é uma das carotenóides mais comuns na natureza e é usada no ciclo xanthofhyll. É um pigmento sintetizado por plantas e alguns microorganismos, e é o pigmento de pimenta, milho, calêndulas de calêndios, bagas de goji e muitas outras plantas e microorganismos que têm suas cores características. A zeaxantina é uma substância encontrada na retina do olho e uma parte importante do olho.
2. Diferença T de Luteína e Zeaxantina :
|
The same |
The difference between |
|
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. |
|
Insoluble in water, ethanol |
Zeaxanthin is mainly concentrated in the central macular area, while lutein is distributed throughout the retina. |
|
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. Informações básicas:
|
Zeaxanthin |
|
|
Extract source |
|
|
Appearance |
Orange powder |
|
Specifications |
5%-73% |
|
CAS NO. |
144-68-3 |
|
Test Method |
HPLC |
|
Molecular formula |
C40H56O2 |
|
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 |
|
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 |
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