Product Description
Here is the detailed product information of quercetin:
Basic Information
Chemical Name: 3,3',4',5,7 - Pentahydroxyflavone.
CAS Number: 117 - 39 - 5.
Molecular Formula: C15H10O7.
Molecular Weight: 302.236.
Physical and Chemical Properties
Appearance: It is usually a yellow powder.
Solubility: Almost insoluble in water, soluble in organic solvents such as glacial acetic acid.
Stability: It turns yellow in alkaline aqueous solutions and should be stored at a low temperature. The content will decrease if it is exposed to air for a long time.
Product Specifications and Quality Standards
Purity: Common purities include 95%, 98%, 99%, etc., and HPLC and other methods are often used for detection.
Specifications: There are milligram - level analytical reference substances, such as 20mg, 100mg, etc., and there are also gram - level and kilogram - level raw material products, such as 1g, 5g, 10g, 25g, 1kg, 25kg, etc.
Production Process
Plant - extraction Method: It is mainly extracted from plants rich in quercetin, such as sophora japonica buds, onions, and ginkgo biloba. High - purity quercetin is obtained through processes such as extraction, separation, and purification.
Chemical Synthesis Method: Quercetin can be prepared through chemical synthesis methods. However, this method is relatively less used because the plant - extraction method is more natural and environmentally friendly.
Product Applications
Medical Field: It has a variety of pharmacological effects such as antioxidant, anti - inflammatory, antiviral, anti - tumor, and cardiovascular - protective effects. It can be used in the research and development of drugs for treating cardiovascular diseases, cancers, respiratory diseases, etc.
Food Field: As a nutritional enhancer and food additive, it can be added to health products and functional foods, such as dietary supplements, beverages, pastries, etc., with antioxidant and immunity - enhancing effects.
Cosmetics Field: With antioxidant and anti - aging effects, it can be added to cosmetics such as creams, lotions, and serums, helping to reduce skin wrinkles and delay skin aging.
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