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- Brand：hebei qujie
- Model：25kg/Bag
- Purity：99%
- Cas：472-61-7
- Createtime： 2026-06-08
- Updatetime： 2026-06-08
| useage | Antioxidant, for health products, cosmetics, feed |
| deliveryInfo | |
| appearance | Red to dark red powde |
| aliasen | |
| supplyCapacity | 80T/Month |
| harbor | tianjin qingdao shanghai |
| minorder | 1KG |
Astaxanthin is a red fat-soluble carotenoid with a molecular formula of C40H52O4 and a molecular weight of 596.84. It exists in various marine organisms, including large yellow croaker, salmon, river shrimp, lobster, etc., and can also be extracted from certain microorganisms. Astaxanthin has high antioxidant properties and has a strong scavenging effect on free radicals, ROS (reactive oxygen species) and monocytes.
| Test item(s) | Limit | Test result(s) | |
| Assay(on dry basis) | Astaxanthin≥ 2% | 2.16% | |
| Appearance & Color | Dark Red Fine Powder | Conform | |
| Odor& Taste | Characteristic | Conform | |
| Part Used | Haematococcus pluvialis | Conform | |
| Extract Solvent | Water& Ethanol | Conform | |
| Mesh Size | 95% Through 80 Mesh | Conform | |
| Moisture | ≤5.0% | 1.84% | |
| Ash Content | ≤5.0% | 2.09% | |
| Total Heavy Metals | ≤10ppm | Conform | |
| Arsenic (As) | ≤2ppm | Conform | |
| Lead (Pb) | ≤2ppm | Conform | |
| Cadmium(Cd) | ≤1ppm | Conform | |
| Mercury(Hg) | ≤0.1ppm | Conform | |
| Total Plate Count | ≤10,000cfu/g | Conform | |
| Total Yeast & Mold | ≤1,000cfu/g | Conform | |
| E. Coli | Negative in 10g | Conform | |
| Salmonella | Negative in 25g | Conform | |
| Staphylococcus | Negative in 25g | Conform | |
| Conclusion | Complies with standards. | ||
FAQ
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Q3: Delivery & lead time after payment
Small orders will be sent via international couriers (DHL, FedEx, TNT) or air freight. You will receive the goods within 3 to 5 working days after shipment.
For bulk orders, sea shipping is the most cost-effective choice. Transit time ranges from several days to weeks, depending on your destination port.
Q4: Custom packaging & labels
Yes, we support customized labels and packaging as per your requirements.
Q5: Quality assurance
All our products are fully qualified. We conduct strict testing and will provide the Certificate of Analysis (COA) prior to delivery.
After-sales Service
1. All products are manufactured and inspected in compliance with national standards. Defective goods are never delivered. We strictly abide by quality commitments and after-sales regulations.
2. If you have any quality complaints, we will respond within 24 hours. Should our products fail to meet quality standards, we offer a full refund.
