Botanical Name: Sophora Japonica L.
Part Used: Dried Flower Buds
Appearance: Yellowish Powder
Key Specifications:
Quercetin Dihydrate 95%HPLC
Quercetin Dihydrate 98%UV
Quercetin Anhydrous 95%HPLC
Yosun Quercetin Extract comes from Sophora japonica L. flower buds. Available as fine, micronized and cold‑water‑soluble powder (95‑98% HPLC). This potent flavonoid supports immune balance and healthy inflammatory response. Food‑grade, suitable for supplements, functional foods, beverages and cosmetics.
Main Health Function:
1. Powerful antioxidant
2. Neutralize free radicals
3. Immune & Allergy Regulation
4. Anti-inflammatory response
5. Cardiovascular Health
6. Skin‑protective effects
Main Applications:
1. Nutraceuticals / Dietary Supplements
2. Cosmetics & Personal Care
3. Functional Food & Beverages
4. Sports Nutrition
5. R&D & Pharma Research
| General Info | |
| Product Name | Quercetin Dihydrate |
| Botanical Name | Sophora Japonica |
| Plant Part | Bud Flower |
| Extract Solvent | Water & Ethanol |
| Country of Origin | China |
| Assay | |
| Quercetin (on dried base) | NLT 95% HPLC |
| Physical Parameters | |
| Identification | Positive by TLC |
| Appearance | Yellowish powder |
| Taste & Odor | Characteristic |
| Solubility | Pratically soluble in water, soluble in aqueous alkaline |
| Particle Size | NLT 95% pass 80mesh |
| Loss on Drying | 9~12% |
| Ash | NMT 0.5% |
| Chemical Parameters | |
| Total Heavy Metals | NMT 10ppm |
| Arsenic (As) | NMT 1.0ppm |
| Lead (Pb) | NMT 2.0ppm |
| Cadmium (Cd) | NMT 0.3ppm |
| Mercury (Hg) | NMT 0.1ppm |
| Residual Solvents (Ethanol) | NMT 5000ppm |
| Microbiological Parameters | |
| Total Plate Count | NMT 1,000 cfu/g |
| Total Yeast & Mold | NMT 100 cfu/g |
| E.Coli | Negative in 1g |
| Salmonella | Negative in 25g |
| Staphylococcus | Negative in 25g |
| Additional Info | |
| Allergen Status | Alleergens free |
| Irradiation Status | Irradiation free |
| GMO Status | GMO free |
| Vegan Status | Suitable for Vegaterian |
| TSE-BSE Status | non-TSE/BSE |
| Shelf Life | 24 months |
| Packaging | Packed in paper-drums and double layers plastic-bag inside |
| Storage Conditions | Store in a well-closed container away from moisture, light, oxygen |
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