Bluidge Biology
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Quercetin is extracted from sophora japonica bud. Quercetin has been used to relieve cough in Chinese clinical medicine. It is also used in supplements to reduce blood pressure and blood fat, and improve capillary resistance. Quercetin has excellent antioxidant and anti-inflammatory properties. It can be used as a natural food preservative. Quercetin powder is also a great natural dye for clothes.
| Item | Specifications |
|---|---|
| Item | Quercetin Powder |
| Spec./Purity | 98% |
| Appearance | Yellow Powder |
| Package | 1Kg/Foil bag, 25Kg/Drum |
| MOQ | 1KG |
| Delivery Time | 2-5 Working Days |
| Shelf Time | 2 Years |
| Storage | Store in a dry and cool place, protected from light, heat and oxygen. |
| Grade | Food Grade |
| Product Name | Quercetin Powder | Batch No | HQ-210322 |
|---|---|---|---|
| Item | Specification | Result | Method |
| Appearance | Yellow powder | Complies | Visual |
| Odor | Characteristic | Complies | Organoleptic |
| Taste | Characteristic | Complies | Organoleptic |
| Drying Method | Vacuum drying | Complies | / |
| Loss on Drying | ≤10.0% | 4.30% | TQ-104(105°C/2h) |
| Ash (Sulphated Ash) | ≤10.0% | 5.56% | TQ-104(525°C/3h) |
| Particle Size | NLT 100% Through 80 mesh | Complies | AOAC973.03(TQ_106) |
| Total Heavy Metals | ≤10ppm | Complies | ICP/MS AOAC 993.14 |
| Lead(Pb) | ≤1ppm | Complies | ICP/MS AOAC 993.14 |
| Arsenic(As) | ≤1ppm | Complies | ICP/MS AOAC 993.14 |
| Cadmium (Cd) | ≤1ppm | Complies | ICP/MS AOAC 993.14 |
| Mercury(Hg) | ≤0.05ppm | Complies | ICP/MS AOAC 993.14 |
| Total Plate Count | ≤10,000cfu/g | 5000cfu/g | AOAC996. 23 |
| Total Yeast & Mold | ≤1,000cfu/g | 100cfu/g | (BAM) 7th Ed. |
| E.Coli | Negative | Negative | USP33,NF28,2010 |
| Salmonella | Negative | Negative | USP33,NF28,2010 |
| Staphylococcus | Negative | Negative | USP33,NF28,2010 |
| Conclusion | The product meets the testing requirements. | ||
