Hangzhou Greenthink Biological Tech Co., Ltd.
Based on the principle of high quality, competition price an honest service, we welcome partners from at home and abroad to cooperate with us.
Business Type:Manufacturer
Country/Region:China
Ddu Verified
HOT Rank
Marigold Extract
1. Latin Name: Tagetes erecta L.
2. Main Specification : 5%~80% Lutein ,20%/4% 20%/8% 20%/1.2%
3. Apperance: Orange powder
4. Test Method: UV HPLC
5. Part Used: flower
6. Active ingredients: lutein Zeaxanthin
7. Odor: Characteristic
8. Function:
1). Lutein is the retina, macula can not be a major component of material loss
2). Prevent the physiological structure and function of the eye mutation
3). It is a potent antioxidant, absorbing ultraviolet and blue. Eyes light poisoning treatment
4). It has a vasodilator function can improve retinal blood circulation and promote the supply of nutrients ,can prevent the occurrence of a disease caused by the human body due to organ aging, and prevention of cell aging.
9. Physical & Chemical:
ITEMS | STANDARD |
Physical and Chemical Control | |
Assay (HPLC) | 5% -90% Lutein |
Appearance | Orange fine powder |
Odor | Characteristic |
Tasted | Characteristic |
Sieve analysis | 100% pass 80 mesh |
Loss on Drying | ≤5.0% |
Bulk density | 0.6-0.8g/100ml |
Heavy Metal | |
The Total Heavy Metal | ≤10ppm |
Pb | ≤2ppm |
As | ≤2ppm |
Microbiological Control | |
Total Plate Count | ≤1000CFU/g |
Yeast&Mold | ≤100CFU/g |
E.coli | Negative |
Salmonella | Negative |
Pseudomonas aeruginosa | Negative |
CAS NO.: | 127-40-2 |
Specs Available: | Lutein Powder 5%-90%(HPLC/UV) Lutein CWS 5%(HPLC)Lutein Oil suspending5%,10%,20%,30%(HPLC) Lutein ester 5%-60%(HPLC) |
Characteristic Appearance: Odor: Molecular Formula: Molecular Weight: | Reddish orange yellow fine powder Characteristic C40H56O2 568.87 |
About us:
Hangzhou Greenthink Biological Tech Co., Ltd. is a high-technology enterprise engaged in the study, development, production and sales of plant extracts. We are located in Hangzhou City, which is famous for beautiful West Lake and about 180km to the largest Port City-Shanghai in China.
Our company owns a research institute, central foundation and sales department. 90% of our products are sold to Europe, America, Japan, Korea and Singapore.
Our company possesses an R&D center with advanced HPLC, GC, AAS and UV analysis equipment, which enables us to set up quality control system from research to production conveniently. We have set up a long-term relationship with Zhejiang University and Zhejiang University of Technology, researching new biomedicine, health-care foods and intermediary materials.
Based on the principle of high quality, competition price and honest service, we welcome partners from at home and abroad to cooperate with us. We are applying ourselves to the cause of green health for mankind .
