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Herbal medicine
Any of a family of yellow pigments which are chemically similar to tannins and somewhat similar in use; flavonoids have been used for bruising, hay fever and menorrhagia. 

A family of biologically active polyphenolic compounds found in fruits (in particular in the pulp thereof), vegetables, tea and red wine, which are potent antioxidants and effective platelet inhibitors; a flavonoid-rich diet may protect against atherosclerosis and platelet-mediated thrombosis, due to flavonoids’ platelet-inhibition.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


Bioflavonoid Nutrition Any biologically-active polyphenol found in fruits, especially in the pulp, vegetables, tea, red wine, which are potent antioxidants and platelet inhibitors
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


Metabolite from plant matter.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


A food chemical that helps to limit oxidative damage to the body's cells, and protects against heart disease and cancer.
Mentioned in: Smoking
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
It can also be concluded that the presence of phytochemicals such as flavanoids, tannins, saponins, triterpenoids, alkaloids etc., which were analysed through phytochemical analysis may be responsible for the anti diabetic action of this polyherbal formulation as well as its antimicrobial action.
Flavanoids are an essential ingredient of many potent Ayurvedic preparations sold as cardiotonics (Nesamony, 1988).
Corn silk contains phytochemicals such as steroids, anthocyanins, alkaloids, flavanoids, phenolics and terpenoid group of chemicals like citronellol and a-terpineol (Hasanudin et al., 2012).
In 2008 Bhawna Sharma performed chemical analysis of Eugenia Jambolana seed extract by using HPLC and demonstrated the presence of different flavanoids and their derivatives which are known for their antioxidant potential.16
The beneficial compound, called xanthohumol, is flavanoid that is found in hops.
Ginkgo usually comes in capsule form and, according to nutritionist Patrick Holford, you should look for a brand which shows the flavanoid concentration which determines the strength of the gingko.
Just how much of the flavanoid and isoflavonoid compounds in wine reach the target sites in our body and how much does it take to produce the protective influence or reduce the risk of the disease?
The estimation of total flavanoid was done by methanolic aluminium chloride reagent.
The UV bands at 269 and 340 nm is typical for flavanoid nucleus which is supported by its 1H-NMR spectrum having resonances at (delta bond) 7.85 (2H, d, J = 8.5 Hz), 6.93 (2H, d, J = 8.5 Hz), 6.58 (1H, s), 6.45 (1H, d, J = 2.0 Hz), 6.20 (1H, d, J = 2.0 Hz).