Product Name | Quercetin Dihydrate |
---|---|
CAS No. | 6151-25-3 |
MF | C15H10O7·2H2O |
MW | 338.27 |
Purity | ≥98% (HPLC) |
Appearance | Yellow crystalline powder |
Packing | 1kg,10kg,25kg/drum |
Apply | Antioxidant, anti-inflammatory, immune support, cardiovascular health |
Quercetin Dihydrate is a naturally occurring flavonoid found in many fruits, vegetables, and medicinal plants.
It is known for its strong antioxidant capacity, anti-inflammatory effects, and immune-boosting properties.
Key benefits include:
Neutralizing reactive oxygen species (ROS) and reducing oxidative damage
Supporting cardiovascular and metabolic health
Enhancing immune defense and respiratory function
Anti-allergic and anti-inflammatory potential
High Purity ≥98%, HPLC verified
Extracted from natural plant sources
Excellent solubility and bioavailability
Produced in GMP & ISO-certified facilities
Suitable for dietary supplements, functional beverages, cosmetics
Specification | Qualified Testing Result | Actual Testing Result | Test Method |
---|---|---|---|
Part 1. Physical & Chemical Analysis | |||
Appearance | Yellow crystalline powder | Complied | Visual |
Odor | Characteristic | Complied | Organoleptic |
Assay (HPLC) | ≥98.0% | 98.5% | HPLC |
Loss on Drying | ≤9.0% | 8.6% | USP <731> |
Residue on Ignition | ≤0.5% | 0.12% | USP <281> |
Melting Point | 310°C (decomposes) | Complied | USP |
Part 2. Heavy Metal Analysis & Chemical Control | |||
Total Heavy Metals | ≤10 ppm | Complied | AAS |
Lead (Pb) | ≤3 ppm | <0.5 ppm | ICP-MS |
Arsenic (As) | ≤1 ppm | <0.1 ppm | ICP-MS |
Cadmium (Cd) | ≤1 ppm | <0.05 ppm | ICP-MS |
Mercury (Hg) | ≤0.1 ppm | <0.01 ppm | ICP-MS |
Part 3. Microbiological Analysis & Control | |||
Total Plate Count (cfu/g) | ≤1,000 | <100 | USP <61> |
Yeast & Mold (cfu/g) | ≤100 | <10 | USP <61> |
E. coli | Negative | Negative | USP <62> |
Salmonella (per 25 g) | Negative | Negative | USP <62> |
Anti-aging and antioxidant formulas
Cardiovascular support products
Immune health supplements
Skin brightening and anti-inflammatory cosmetics
1kg/aluminium foil bag, with two plastic bags inside.
Gross Weight: 1.5kg Size: 18cmxH27cm
25kg/fiber drum, with two plastic bags inside.
Gross Weight: 28kg Size: 42cmxH52cm Volume: 0.0625mg/Drum.
DHL / FEDEX / EMS / E-PACKET / BY AIR / BY SEA
1. ≤50kg, Express delivery(DHL /FEDEX) recommended, usually called as DDU service;
2. ≤500kg, Air shipping recommended, usually called as CIF service;
3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
4. For high value products, please select air shipping and express delivery for safe.
We will contact you within 1 working day, please pay attention to the email with the suffix “forrest@oriherb.com”.