| Certification: | ISO, FDA |
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| Assay Method: | HPLC, UV |
| Application Form: | Injection, Lotion |
| Application: | Food, Health Care Products |
| State: | Powder |
| Molecular Weight: | 302.236 |
| Samples: |
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| Customization: |
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Audited Supplier Quercetin is widely present in the stem bark, flowers, leaves, buds, seeds, and fruits of many plants, mostly in the form of glycosides, such as rutin, quercetin, hyperoside, etc. Quercetin can be obtained by acid hydrolysis. Among them, the content was higher in the rods and leaves of buckwheat, sea buckthorn, hawthorn, and onion. Quercetin is also found in many foods, such as Onions, shallots, asparagus, cabbage, mustard, green peppers, endive, grapefruit, lettuce, hawthorn, apple, mango, plum, radish, blackcurrant, potato and spinach. In addition, about more than 100 kinds of medicinal plants (such as Sophora japonica, Platycladus orientalis leaves, galangal, Chrysanthemum japonicum, mulberry, notoginseng, Ginkgo biloba, elderberry, etc.) contain this component.
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