| Item | Specification | Results | Methods | 
| Assay(on dry basis) | Lutein ≥ 5% | 5.12% | HPLC (USP44) | 
| Appearance & Color | Orange yellow powder | Conform | Visual | 
| Odor & Taste | Characteristic | Conform | / | 
| Part Used | Flower | Conform | / | 
| Mesh Size | 95% Through 80 Mesh | Conform | Screen | 
| Loss on drying | ≤6.0% | 0.75% | 5g/105ºC/2hrs(USP44) | 
| Residue on Ignition | ≤1.0% | 0.28% | 3g/550ºC/4hrs(USP44) | 
| Heavy Metals | |||
| Arsenic (As) | ≤1ppm | Conform | AAS (USP44) | 
| Lead (Pb) | ≤1ppm | Conform | AAS (USP44) | 
| Cadmium(Cd) | ≤1ppm | Conform | AAS (USP44) | 
| Mercury(Hg) | ≤0.1ppm | Conform | AAS (USP44) | 
| Microbiology | |||
| Total Plate Count | ≤1,000cfu/g | Conform | USP44 | 
| Total Yeast & Mold | ≤100cfu/g | Conform | USP44 | 
| E. Coli | Negative in 10g | Conform | USP44 | 
| Salmonella | Negative in 25g | Conform | USP44 | 
| Staphylococcus | Negative in 25g | Conform | USP44 | 
| Packing and Storage | Inside: 5kg /Aluminum foil bag, outside: Neutral cardboard barrel & Leave in the shady and cool dry place. Preserve in hermetically sealed,light-and oxygen-resistand containers. | ||
| Standard | Meeting USP44 standard | ||
| Shelf Life | 2 years when stored properly | ||
| Expiry Period | 2 years | ||
 
 
-Lutein can effectively filter ultraviolet and blue light, reducing the damage of light to the eyes
ultraviolet light.
-Lutein is very important supplement during the development period of children's vision.
APPLICATION FIELD
-Pharmaceutical
-Cosmetics;
-Feed
 
ABOUT HUAKANG
* OTC stock No. 870480. About 20 years experience in plant extract industry
* Awarded FSSC 22000, ISO 9001, HACCP, ORGANIC, KOSHER, HALAL and Manufacturer license
* Clean workshop and Manufacture base operation is controlled according to the GMP standards strictly
* Quality control with testing equipments: AAS, MICROBE, HPLC, TLC, GC, UV, PPSL(irradiation test)
* Guarrantee aftersale service and ensure every customer satisfaction
 
Factory
 
 
Laboratory
 
 
 
