Marigold Oleoresin is obtained from a natural source: Marigold flower petals. Marigold Extract--Lutein is one kind of mixed carotenoid including zeaxanthin and cryptoxanthin. It has grabbed a lot of attention as the main raw material of colouring pigments with stable, safe and reliable effect, the world over.
Specifications of Marigold Oleoresin：
| Test Items | Limit |
| Xanthophylls (g/kg) | 120—170 |
| Trans-Lutein | ≥75% |
| Appearance |
Wax-like dark brown semisolid |
| Odor |
Characteristic |
| Taste |
Characteristic |
| Solvent remains |
≤3% |
| Insoluble matter | ≤0.5% |
| ETQ | ≤1% |
| Lead |
≤10 ppm |
| Arsenic |
≤3 ppm |
| Total Bacteria Count (cfu/g) | ≤1,000 |
| Yeast and Mold(cfu /g) |
≤100 |
| E.coli | Negative |
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