Complaint
Quercetin, also known as quercetin, quercetin, is soluble in glacial acetic acid, yellow in alkaline solution, almost insoluble in water, and bitter in alcohol solution.It has good expectorant and antitussive effects and has a certain antiasthmatic effect. In addition, quercetin powder also lowers blood pressure, enhances capillary resistance, reduces capillary fragility, lowers blood lipids, dilatation of coronary arteries, and increases coronary blood flow. Quercetin powder is used for the treatment of chronic bronchitis.
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Product Name: Quercetin
Botanic Name: Sophora Japonica
Specification: NLT 95.0%
Test Method:HPLC
Part of used: Flower
Appearance: Yellow green fine powder
| PRODUCT SPECIFICATIONS | ||
| Product Name: | Quercetin | |
| Botanic Name: | Sophora Japonica L. | |
| Scientificname(Family/Genus/Species) | Fabaceae/Styphnolobium/S.japonicum | |
| Part of plant | Flower | |
| Solvent extraction | 50% water & 50% ethanol | |
| Country of Origin: | China | |
| Excipent | None | |
| ANALYSIS ITEMS | SPECIFICATION | TEST METHOD |
| Appearance | Crystalline powder | Organoleptic |
| Color | Yellow green | Visual |
| Odour & Taste | Characteristic | Organoleptic |
| Identification | Identical to R.S. sample | HPTLC |
| Quercetin | NLT 95.0% | HPLC |
| Extract ratio | 12:1 | |
| Solubility | Practically insoluble in water | |
| Hydrocarbons PAHs | ≤ 50 ppb -Reg.UE 1933/2015 | GC-MS |
| Benzo(a)pyren | ≤ 10 ppb -Reg.UE 1933/2015 | GC-MS |
| Radioactivity | ≤ 600 Bq/Kg -Reg. CE 1409/2009 | |
| Apparent density | ≥ 0.15g/ml | |
| Sieve Analysis | 100% through 80 mesh | USP39 <786> |
| Loss on drying | ≤ 12.0% | Eur.Ph.9.0 [2.5.12] |
| Total Ash | ≤ 0.5% | Eur.Ph.9.0 [2.4.16] |
| Lead (Pb) | ≤ 3.0 mg/kg | Eur.Ph.9.0<2.2.58>ICP-MS |
| Arsenic (As) | ≤ 1.0 mg/kg | Eur.Ph.9.0<2.2.58>ICP-MS |
| Cadmium(Cd) | ≤ 1.0 mg/kg | Eur.Ph.9.0<2.2.58>ICP-MS |
| Mercury(Hg) | ≤ 0.1 mg/kg -Reg.EC629/2008 | Eur.Ph.9.0<2.2.58>ICP-MS |
| Heavy metal | ≤ 10.0 mg/kg | Eur.Ph.9.0<2.4.8> |
| Solvents Residue | Conform Eur.ph. 9.0 <5,4 > and EC European Directive 2009/32 | Eur.Ph.9.0<2.4.24> |
| Pesticides Residues | Conform Regulations(EC) No.396/2005 including annexes and successive updates Reg.2008/839/CE | Gas Chromatography |
| Aerobic bacteria(TAMC) | ≤1000 cfu/g | USP39 <61> |
| Yeast/Moulds(TAMC) | ≤100 cfu/g | USP39 <61> |
| Bile-tol.gram- b./Enterobact.: | ≤100 cfu/g | |
| Escherichia coli: | Absent in 1g | USP39 <62> |
| Salmonella spp: | Absent in 25g | USP39 <62> |
| Staphylococcus aureus: | Absent in 1g | |
| Listeria Monocytogenens | Absent in 25g | |
| Aflatoxins B1 | ≤ 5 ppb -Reg.EC 1881/2006 | USP39 <62> |
| Aflatoxins ∑ B1, B2, G1, G2 | ≤ 10 ppb -Reg.EC 1881/2006 | USP39 <62> |
| Goods weight | Packing | Shipping method | Lead-time |
| 1-50kg | Below 5kg Use Foil bag;5-25kg use two layer PP bag,then into master carton or cardboard drum | International express | 1~3 days after your payment |
| 100-200kg | 25kg/drum,use two layer PP bag,then into cardboard drum | Air shipping Sea Shipping | 3~5 days after your payment |
| Over 500kg | 25kg/drum,use two layer PP bag,then into cardboard drum | Sea shipping | 5~10 days after your payment |
Q1: Can I get some free sample?
