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Product name | Calendula Extract |
Latin name | Calendula officinalis L. |
Part used | Stem,Leaf |
Active ingredients | Lutein |
Specifications | 5-90% |
Appearance | Yellow Powder |
Test Method | HPLC |
Storage | Two years (Keep away sunlight, Keep dry) |


Item | Specification | Result | ||
Ratio(by HPLC) | 5-98% | Complies | ||
Physical & Chemical Control | ||||
Appearance | Light Yellow Powder | Complies | ||
Odor | Characteristic | Complies | ||
Tasted | Characteristic | Complies | ||
Sieve Analysis | 100% pass 80 mesh | Complies | ||
Loss on Drying | 5% Max. | 3.5% | ||
Ash | 5% Max. | 2.40% | ||
Heavy metal | ≤10ppm | Complies | ||
As | ≤2ppm | Complies | ||
Pb | ≤2ppm | Complies | ||
Hg | ≤1 ppm | Complies | ||
Cd | ≤2ppm | Complies | ||
Microbiological | ||||
Total Plate Count | 10000cfu/g Max. | 100cfu/g | ||
Yeast & Mould | 1000cfu/g Max | 20cfu/g | ||
Coliforms | Negative | Complies | ||
Pathogenic bacteria | Negative | Complies | ||
Conclusion | Complies with specification | |||
Storage | In cool & dry place. Keep away from strong light and heat. | |||
Shelf life | 3 years when properly stored. | |||
Packing | 25KG/drum, Pack in paper-drums and two plastic-bags inside. | |||









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