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Project at a Glance Contents on the CD ROM
  • Quercetin is the most abundant of the flavonoids. Quercetin belongs to the flavonoids family and consist of 3 rings and 5 hydroxyl groups.
  • Quercetin, a member of the flavonoids family, exerts many beneficial health effects, including improvement of cardiovascular health, reducing risk for cancer, protection against osteoporosis.
  • Quercetin is a polyphenolic bioflavonoid or flavonoid, more specifically classified as a flavonol.
  • Quercetin, a flavonol, is a plant-derived flavonoid found in fruits, vegetables, leaves and grains. It also may be used as an ingredient in supplements,
    beverages or foods.
  • Quercetin belongs to a class of water-soluble plant pigments called bioflavonoids that cannot be produced in the human body. It is also considered a
  • This flavonoid has shown several pharmacological activities including antioxidant, anti-inflammatory, anticancer, and antiviral properties. In spite of a variety of its biological effects, quercetin is very poorly soluble in water, which has limited its absorption upon oral administration.
  • Quercetin glycosides in the onion extracts were converted to quercetin and sugars by different types of recombinantly expressed thermostable Beta-glucosidases.
  • Quercetin is a polyphenolic compounds that occurs in vegetables and fruits mainly as different glycosides, although the skin of the fruit/vegetable commonly contains higher amounts of the quercetin aglycone.
    The most environmentally friendly solvent that could be used for extraction of quercetin is water. However, since pure water at ambient condition is
    too polar to be a good solvent for quercetin, we instead use water at elevated temperatures as a solvent, i.e. subcritical water.
  • Quercetin is one of the most abundant dietary flavonoids. It is found in apples; black, green and buckwheat tea; onions (particularly the outer
    rings); raspberries; red wine; red grapes; cherries; citrus fruits; broccoli and other green leafy vegetables.
  • Quercetin is typically found in plants as glycone or carbohydrate conjugates. Quercetin glycone conjugates include rutin and thujin. Rutin is also known as Quercetin-3-rutinoside.Thujin is also known as quercitrin, Quercetin-3-L-rhamnoside and 3-rhannosyl qurcetin.
  • Health Benefits of Quercetin
  • Quercetin Monograph
  • Quercetin
  • Quercetin supplement benefits
  • Quercetin - Intro


  • Quercetin-Bromelain Complex
  • Quercetin, 90 caplets
  • Quercetin - Product Information
  • Quercetin Capsules
  • Quercetin - Product
  • Quercetin supplement benefit and side effects


  • Quercetin
  • Quercetin - Msds
  • Isoquercitrin
  • Quercetin Dihydrate
  • Quercetin Dihydrate MSDS
  • Msds - Quercetin

Extraction Process

  • Flavonoid
  • Isolation and Identification of Flavonoid "Quercetin" from Citrullus colocynthis (Linn.) Schrad.
  • Investigation of Optimum Extraction
  • Preparation and Characterization of Quercetin Nanocrystals
  • Pressurized Hot Water Extraction
  • HPTLC Method for Quantitative Determination of Quercetin
  • Quantitative Analysis of Quercetin in Natural Sources by RP-HPLC
  • Chemistry, Biochemistry
    and Applications
  • Supercritical Fluid Extraction of Quercetin from Onion Skins
  • Ultrasound-assisted extraction of rutin and quercetin from
    Euonymus alatus (Thunb.) Sieb
  • High Purity Quercetin
  • Screening and Identification of a Quercetin
  • Studies on the preparation of Quercetin


  • Quercetin-containing coloring
  • Quercetin derivatives
  • Quercetin-containing compositions
  • Analogues or derivatives of quercetin (prodrugs)
  • Production of quercetin glucuronide
  • Method for treating addiction using quercetin-containing compositions
  • Quercetin supplementation to treat hypertension
  • Quercetin and Quercetin Glycoside
  • Novel Quercetin Derivatives as Anti-Cancer Agents
  • Process for the conversion of dihydroquercetin to quercetin
Uses and Benefits
  • A Review of Clinical Applications
  • The dietary flavonoid quercetin activates BKCa currents in coronary
    arteries via production of H2O2. Role in vasodilatation
  • The Influence of Quercetin on Exercise Performance and Muscle Mitochondria
  • Hormesis and synergy: pathways and mechanisms of quercetin in cancer prevention and management
  • Quercetin - Possible Uses
  • Quercetin suppresses proinflammatory cytokines production through MAP kinases and NF-κB pathway

Study and Analysis

  • Absorption of dietary quercetin glycosides and quercetin in healthy ileostomy volunteers
  • Antioxidants and Cancer
  • Electrochemical Studies of the Interaction of Quercetin with DNA
  • Simultaneous estimation of Gallic acid, Curcumin and Quercetin by HPTLC
  • Quercetin modulates activities of Taiwan cobra phospholipase
  • Preparation, physicochemical characterization, and antioxidant effects of quercetin nanoparticles
  • Simultaneous determination of quercetin, kaempferol and isorhamnetin
  • Quercetin: A Versatile Flavonoid
  • In vitro propagation and quercetin quantification in callus cultures of Rasna


  • Quercetin Suppliers
  • Chinese Suppliers
  • List of suppliers
  • Suppliers
  • Consultant
  • Quercetin Extraction Line

Company Profiles

  • Company from China
  • Another Company from China


  • Protective Effect of Curcumin and Quercetin
  • Quercetin - Exposure
  • Quercetin Improves Exercise Tolerance
  • Natural Substance in Fruits and Vegetables may be potential treatment for prostate cancer
  • The Quest for a Better Quercetin


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