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$123-130 /Kilogram
| Payment Type: | L/C,T/T |
| Incoterm: | FOB,Express Delivery,CFR,CIF,DAF,DES,EXW,FAS,FCA,CPT,CIP,DEQ,DDP,DDU |
| Min. Order: | 1 Kilogram |
| Transportation: | Ocean,Land,Air,Express,Others |
| Port: | Shanghai Port,Tianjin Port,Guangzhou Port |
Brand: Youth
Place Of Origin: China
Specification: 98%
Appearance: White Powder
Source: Giant knotweed
Used Part: Root
Molecular: C14H12O3
Molecular Weight: 228.24
Solubility: Insoluble in water, soluble in ether, chloroform, methanol, ethanol, acetone.0.03 g/L (water); 16 g/L (DMSO); 50 g/L (ethanol).
Purity: 10%-98%
| Selling Units | : | Kilogram |
| Package Type | : | 1. 1 kilogram per Aluminum Foil Bag with one plastic-bags inside; 2. 25 kilograms per cardboard barrel with one plastic-bags inside; 3. Packaging as the customers' requirements. |
Sophora Japonica Flower Extract Quercetin Powder
1. Basic Information:
| Product Name | Quercetin Powder |
| Other Name | Sophora Japonica Extract |
| Other Name | Flavine |
| Solubility | Dissolved in ice acetate Alkaline water solution is yellow |
| Chemical formula | C15H10O7 |
| Molecular weight | 302.236 |
| CAS No | 117-39-5 |
| Melting Point | 314 ~ 317 ℃ |
2. Product Description:
Quercetin powder, also known as sperm, oligine, lutein, is dissolved in ice acetic acid. The alkaline aquatic solution is yellow, almost insoluble in water, and the smell of ethanol solution is bitter. It can be used as a medicine, which has a good expectorant, cough effect, and has a certain asthma effect. In addition, it also has the effects of reducing blood pressure, enhancing capillary resistance, reducing capillary crispy, lowering blood lipids, expanding coronary arteries, and increasing coronary blood flow. Used to treat chronic bronchitis. It also has auxiliary treatment for patients with coronary heart disease and hypertension.
3. Flow Chart:
4. COA：
Product Name: Sophora Japonica Extract Botanical source : Sophora Japonica L.
Batch No.: HPS20031501 Part Used: Buds
Sterilization Method: No-IR&GMO free Solvent Used: Water&Ethanol
Manufacture Date: Mar.15th 2020 Batch Quantity:1800kg
Expiry Date:Mar.14th 2022 Coutry of Origin:China
Certificate of Analysis
| TEST | SPECIFICATION | RESULTS | TEST METHOD |
| Appearance Identification Melting point Particle size Bulk density Tapped Density Heavy metals -Arsenic(As) -Lead (Pb) -Mercury(Hg) -Cadmium(Cd) Sulphated Ash Loss on drying Assay by HPLC | Yellow powder Must positive 305℃—315℃ 95% pass through Sieve # 80 mesh ≥0.20gm/cc ≥0.30gm/cc ≤10ppm ≤2ppm ≤2ppm ≤1ppm ≤1ppm ≤0.30% ≤12.0% ≥95.0%Quercetin | Complies Positive 308℃ Complies 0.28gm/cc 0.36gm/cc Complies Complies Complies Complies Complies Complies 10.89% 95.20% | Visual Infrared Absorption Melting point Apparatus CP2010 CP2010 CP2010 Atomic Absorption Atomic Absorption Atomic Absorption Atomic Absorption Atomic Absorption CP2010 5g/120℃ HPLC |
| Microbiological test: Total plate count Mildew & Yeast E.Coli Salmonella Staphylococcus |
≤5000cfu/g ≤300cfu/g Negative Negative Negative |
Complies Complies Complies Complies Complies |
CP2010 CP2010 CP2010 CP2010 CP2010 |
| Residual Solvent Pesticide Screen | ≤0.5% Not Detected | Complies Complies | GC GC |
| Packing&Storage
Shelf Life | Packed in paper-drums and two plastic-bags inside.N.W.:25kgs Store in a well-closed containers,in a cool dry area. Two years if sealed and stored away from direct sun light and heat. | ||
| Conclusion | The test results conform to Quercetin Dihydrate HPLC 95% standard. | ||
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