Product name: | Sophora Japonica extract, quercetin 95% |
Place of Origin: | Shaanxi, China (Mainland) |
Storage: | Store in cool and dry places. Keep away from strong light. |
Assay Content | quercetin |
Extraction Type: | Solvent Extraction |
Grade: | Pharmaceutical and food |
Test Method: | HPLC |
Shelf life: | 2 years |
Form: | Powder |
Packaging: | Drum, Plastic Container |
CAS NO.: | 117-39-5 |
Certificate: | ISO,GMP,HACCP,KOSHER |
Package: | 25kg/fiber drum,1kg/bag |
Quercetin is a flavonol found in many fruits, vegetables, leaves and grains. It can be used as an ingredient in supplements, beverages, or foods.
High Purity Quercetin 98% priceQuercetin has not been confirmed scientifically as a specific therapeutic for any condition nor approved by any regulatory agency. The European Food Safety Authority evaluated possible health claims associated with consumption of quercetin, finding that no cause-and-effect relationship has been established for any physiological effect.
Quercetin itself (aglycone quercetin), as opposed to quercetin glycosides, is not a normal dietary component. In a bioavailability study in rats, radiolabelled quercetin-4'-glucoside was converted to phenolic acids as it passed through the gastrointestinal tract, producing compounds not monitored in previous animal studies of aglycone quercetin. All but 4% was recovered within 72 hours (69% in urine), indicating low retention and high excretion, a characteristic of ingested polyphenols. Quercetin may also induce insulin secretion by activation of L-type calcium channels in the pancreatic -cells.
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