quercetin


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quercetin

[′kwer·sə·tən]
(biochemistry)
C15H5O2(OH)5 A yellow, crystalline flavonol obtained from oak bark and Douglas-fir bark; used as an antioxidant and absorber of ultraviolet rays, and in rubber, plastics, and vegetable oils.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The free-energy calculations generated [DELTA][G.sub.AB] of 14.36 [+ or -] 0.46 and of 0.19 [+ or -] 0.53 kJ/mol for chitosan and quercetin, respectively.
With more than 2 in 3 adults considered overweight or obese, (2) these new results show that quercetin may represent a defense against the age-accelerating consequences of excess fat.
In order to measure the amount of quercetin in the resulting extract, 0.01 g of the extract was weighed and solved in 10 ml of the mobile phase solvent.
The aim of the study was to investigate the hepatotoxicity and nephrotoxicity of dextran-coated iron oxide nanoparticles (IONPs) and quercetin conjugated with IONPs (QNPs).
The participants were randomly assigned in two placebo (n = 10) and quercetin (n = 10) groups and blood samples were collected from participations.
The rats in Group 2 (post-burn group) were administered 1 ml of DMSO, intraperitoneally, every day for 7 days, before the burn procedure and 50 mg/kg of quercetin in 1 ml of DMSO, intraperitoneally, every day after the burn procedure until euthanasia was performed (10).
Quercetin intake was calculated by multiplying the frequency of consumption for a particular portion size by the quercetin content of the particular food item, and summing the total content.
Snails were removed from their home aquarium and placed in 500 ml of 100 [micro]mo\ [1.sup.-1] quercetin PW for 1 h immediately prior to the above treatment procedures.
The geometry optimization of silver clusters was carried out at the B3LYP/LANL2DZ level of theory, while palmitic acid, stearic acid, glucose, and quercetin geometries were carried out at the B3LYP/6-311G level of theory, implemented in the Gaussian 09W package of programs [16].
The present study was undertaken to investigate the protective effects of two antioxidants, namely, quercetin and ALA in aluminium chloride (Al[Cl.sub.3]) induced neurotoxicity in rats.