quercetin


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quer·ce·tin

(kwer'sĕ-tin),
An aglycon of quercitrin, rutin, and other glycosides; occurs usually as the 3-rhamnoside; used in the treatment of abnormal capillary fragility.
Synonym(s): meletin, sophoretin

quercetin

(kwûr′sĭ-tĭn)
n.
A yellow powdered crystalline compound, C15H10O7, occurring as a glycoside in the rind and bark of numerous plants or synthesized and thought to have antihistaminic, anti-inflammatory, and antitumor properties.

quercetin

[kwur′sitin]
a yellow, crystalline, flavonoid pigment found in oak bark, the juice of lemons, asparagus, and other plants. It is used to reduce abnormal capillary fragility.

quercetin

The flavonoid alglucon of quercitrin, or rutin, and other glycosides, which is a widely distributed antioxidant present in fruits and vegetables, such as broccoli, Brussels sprouts, cabbage and oranges, as well as in rinds, barks, clover blossoms and pollen. Early data indicates that quercetin has antiviral, anti-inflammatory, and anticarcinogenic activity; it has been used for fibromyalgia, metabolic syndrome and as a monoamine oxidase inhibitor.

quercetin (kwerˑ·s·tn),

n flavonoid derived from red wine, citrus, onions, parsley, and tea. Has been used as an antioxidant, antiviral, and reported to help allergies, prostate inflammation, interstitial cystitis, atherosclerosis, and cataracts. Caution in patients taking anticoagulant or antiplatelet medications. Also called
quercetin chalcone.
References in periodicals archive ?
Here, we anticipated that both quercetin conjugates might also enhance the multidrug-resistance (MDR) (Biedler and Riehm 1970) modulating effect of quercetin.
Quercetin induces tumor-selective apoptosis through downregulation of Mcl-1 and activation of Bax.
Some simple approaches include consuming a formula with the synergistic ingredients of quercetin, bromelain, and vitamin C.
Quercetin powder was obtained from Sigma Chemical Company (St.
Depending on one's food choices, the daily estimated intake of quercetin ranges from 10 to 25 milligrams per day.
Cornell University research also suggests that quercetin might be the compound in apples that protects brain cells against oxidative stress associated with the disease.
Among those antioxidants is quercetin, especially abundant in onions and black tea, and ferulic acid, found in corn, tomatoes, and rice bran.
Preparation of standard stock solution: standard stock solution containing quercetin and gallic acid 1 mg/mL was prepared in methanol.
Quercetin is a flavonoid, derived from plant pigment, which has what main benefit for humans?
Hwang and a team of coinvestigators have teased out precise details of how six natural compounds in plants--luteolin, quercetin, chrysin, eriodicytol, hesperetin, and naringenin--apparently act as anti-inflammatory agents.