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$91-95 /Kilogram
| Incoterm: | FOB,DAF,DES,CFR,CIF,EXW,FAS,FCA,CPT,CIP,DEQ,DDP,DDU,Express Delivery |
| Cantidad de pedido mínima: | 1 Kilogram |
| transporte: | Express,Air,Land,Ocean,Others |
| Hafen: | Shanghai Port,Tianjin Port,Guangzhou Port |
Modelo: Youth-081
Marca: Juventud
Tipos De: Extracto de hierbas
Rasgos: Polvo
Ubicación: Hoja
Método De Extracción: Extraccion solvente
Paquete: TAMBOR, Contenedor de plástico
Lugar De Origen: porcelana
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 venta | : | Kilogram |
| Tipo de paquete | : | 1. 1 kilogramo por bolsa de papel de aluminio con una bolsa de plástico interior; 2. 25 kilogramos por barril de cartón con una bolsa de plástico dentro; 3. Embalaje como los requisitos de los clientes. |
| Descargar | : |
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Polvo de zeaxantina a granel 10% Precio
1. Introducción de polvo de zeaxantina:
Zeaxanthin es uno de los carotenoides más comunes en la naturaleza y se utiliza en el ciclo de xanthophyll. Es un pigmento sintetizado por las plantas y algunos microorganismos, y es el pigmento de chiles, maíz, caléndulas, bayas de goji y muchas otras plantas y microorganismos que tienen sus colores característicos. La zeaxantina es una sustancia que se encuentra en la retina del ojo y una parte importante del ojo.
2. Diferencia T de luteína y 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. Información básica:
|
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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