However, another group of antioxidant compounds, polyphenols, comprising about 8000 different molecules, among which flavonoids are the most studied, holds good promise.
Among the chemical components in honey which could be responsible for the antibacterial activity, flavonoids and phenolic acids are the most studied.
Quercetin is one of the most frequently studied dietary flavonoids [5], [10].
Polyphenols, predominantly flavonoids, such as procyanidins and anthocyanins, constitute the most important and most extensively studied group of active compounds contained in those fruits.
Concerning results obtained in vitro, in most studies performed on breast cancer cell lines this flavonoid was tested at high concentrations, ranging from 10 to 200 µM.
The isoflavone genistein is one of the most intensely studied phytocompounds in the class of flavonoids.
The flavonoid biosynthetic pathway is one of the most extensively studied pathways in plant specialized metabolism [ 1].
Most flavonoids are present in the diet as glycosides (Scalbert and Williamson, 2000), and quercetin and its glucosides have been the most extensively studied forms.
Pinocembrin is the most abundant flavonoid in propolis.
In terms of flavonoid, myricetin, epicatechin and quercetin were the most common flavonoid compounds present in MK.
