Also found in: Medical, Wikipedia.


 (pŏl′ē-fē′nôl′, -nōl′, -nŏl′)
Any of various alcohols containing two or more benzene rings that each have at least one hydroxyl group (OH) attached. Many polyphenols occur naturally in plants, and some kinds, such as the flavonoids and tannins, are believed to be beneficial to health.

pol′y·phe·no′lic (-fĭ-nō′lĭk, -nŏl′ĭk) adj.


(Chemistry) chem relating to a polyphenol
Mentioned in ?
References in periodicals archive ?
Scientists at Kansas State University evaluated the formation of AGEs in cooked beef patties containing various cereal brans rich in polyphenolic antioxidants: wheat (Jagger variety); triticale, a hybrid of wheat and rye (Spring Triticale and Thundercale); and rye brans.
The new formula is characterized because of its high polyphenolic content, high water solubility and produced under the main Green Extraction principles.
NEFROSIL(TM) is a proprietary formulation of ultra-micronized palmitoylethanolamide combined with silymarin, a polyphenolic compound.
The aim of the study was to assess and evaluate the antioxidant and anti-inflammatory effect of polyphenolic fraction derived from virgin coconut oil on experimental arthritis.
These natural polyphenolic compounds are especially abundant in Montmorency tart cherries.
Editor's note: These polyphenolic compounds are found in fruit, vegetables, and plant-sourced beverages, and may be responsible for the protective effects observed for plant foods against a number of chronic diseases.
Blackberries rank high among fruits for their antioxidant strength, particularly due to their dense content of polyphenolic compounds such as ellagic acid, tannins, ellagitannins, quercetin, gallic acid, anthocyanins and cyanidins.
When flooded with ultraviolet rays from the sun, the lettuce leaf creates UV-absorbing polyphenolic compounds in its outer layer of cells.
It contains a similar profile of polyphenolic compounds as unpasteurized pomegranate juice concentrate studied in clinical research, without any of the sugar, calories or additives.
Phytera will select plant species from its culture libraries and apply its proprietary ExPAND(R) manipulation technology to regulate the expression of the metabolic pathways and genes responsible for the production of specific anti-oxidant polyphenolic compounds.
Furthermore, the technique could optimize the functionality of polyphenolic compounds, such as procyanidins and flavonols, found in cranberry pomace.
During the study, research team led by Paiva-Martins compared the effects of four related polyphenolic compounds on red blood cells subjected to oxidative stress by a known free radical generating chemical.