proanthocyanidin


Also found in: Dictionary, Thesaurus, Financial, Acronyms, Encyclopedia, Wikipedia.

proanthocyanidin

Any of the flavanol class of polyphenols found in apples, maritime pine bark and grape seed extracts, which is a more potent antioxidant than vitamins C or E and has been shown to reduce LDL-cholesterol.

proanthocyanidin

(prō-ăn″thō-sī-ăn′ĭ-dĭn)
A chemical in cranberry juice that is believed to inhibit the adhesion of Escherichia coli to the mucosa of the urinary tract.
References in periodicals archive ?
(3) Therefore, a possible alternative is to use extracts from plants containing polyphenols classified as proanthocyanidins (PACs), belonging to a category known as condensed tannins, which are highly hydroxylated structures capable of forming an insoluble complex with carbohydrates and proteins.
Critical factors of vanillin assay for catechins and proanthocyanidins. J Agric Food Chem 1988;46:4267-74.
In this study, air-drying of GS at 50[degrees]C for 3.5 h caused a decrease in total phenolic content, soluble proanthocyanidins, anthocyanins, and FRAP values, which showed percent recoveries of 85, 80, 70, and 85, respectively (Table 1).
Abdel-Hamied et al., "Grape seed proanthocyanidin extract has potent antiarthritic effects on collagen-induced arthritis by modifying the T cell balance," International Immunopharmacology, vol.
Preventing oxygen free radical damage by proanthocyanidin in obstructive jaundice.
Characterization of proanthocyanidin in hot water extract isolated from Pinus radiata bark.
Due to the antioxidant action of the proanthocyanidins and the modulation of macrophage differentiation, Mohana et al.
Fawzy, "The effect of proanthocyanidins on the bond strength and durability of resin sealer to root dentine," International Endodontic Journal, vol.
Proanthocyanidins distribute widely in the plants and possess antioxidant, radical scavenging and metal ion chelating activities.
Proanthocyanidins are secondary metabolites of plants and researchers have indicated that proanthocyandins have high antioxidant and radical scavenging activity [49].
Once proanthocyanidins bind to the bacterial cell surface, they reduce the amount of the sticky projections that the organisms produce.