The marigold (Tagetes erecta L) is an annual herb of the genus Marigold, which is the main raw material for the extraction of lutein and carotenoids.
The marigold extract lutein, also known as the carotenoid, carotenol, plant lutein, etc. It In nature and zeaxanthin coexists.
Lutein and Zeaxanthin are the main components of plant pigments such as corn, vegetables, fruits, flowers, etc., and are also the main pigments that constitute the macular area of the human eye. It's an orange-yellow powder, insoluble in water, soluble in organic solvents such as hexane. Widely used in food, feed, medicine and other food industries and chemical industries, it plays an important role in improving product color and is an indispensable additive.
Certificate of Analysis
Lutein Esters 5% CWS Powder |
Description: Lutein Esters 5% CWS Powder is a free flowing powder manufactured by the microencapsulation technology. It contains lutein ester naturally extracted from marigold flower (Tagetes erecta), with lutein dipalmitate as the predominant component. |
Tests | Limits | Methods | Results |
Appearance | Orange-red, free-flowing powder | Visual | Conforms |
Lutein Esters (%) | 5.0 Min. | M/DYN | 5.8 |
Loss on Drying (%) | 5.0 Max. | USP 731 | 2.8 |
Bulk Density (g/mL) | 0.35–0.65 | USP 616 | 0.52 |
Particle Size | 95% through 40 mesh | USP 786 | Conforms |
Lead (ppm) | 1.0 Max. | EN ISO 17294 | Conforms |
Arsenic (ppm) | 1.0 Max. | EN ISO 17294 | Conforms |
Cadmium (ppm) | 1.0 Max. | EN ISO 17294 | Conforms |
Mercury (ppm) | 0.1 Max. | BS EN 13806 | Conforms |
Total Plate Count (CFU/g) | 1,000 Max. | ISO 4833 | Conforms |
Yeasts and Molds (CFU/g) | 100 Max. | ISO 7954 | Conforms |
Coliform (CFU/g) | 10 Max. | ISO 4832 | Conforms |
E. coli | Negative/g | ISO 16649 | Conforms |
Salmonella | Negative/25g | ISO 6579 | Conforms |
Staphyloccous aureus | Negative/g | ISO 6888 | Conforms |
Packaging: Packaged in 5kg net aluminum foil bags under nitrogen, five bags per cardboard drum. Storage and Handling: Store in a dry and cool place, protected from light, heat and oxygen. The preferred storage temperature is below 30°C. Shelf Life: Three years in the original package. It is recommended to use the entire content after opening. |