(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.
content of Garcinia brasiliensis callus under different treatments.
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.
distribute widely in the plants and possess antioxidant, radical scavenging and metal ion chelating activities.
are secondary metabolites of plants and researchers have indicated that proanthocyandins have high antioxidant and radical scavenging activity .
bind to the bacterial cell surface, they reduce the amount of the sticky projections that the organisms produce.