Great interest is currently centered on the biologic activities of quercetin a polyphenol
belonging to the class of flavonoids, natural products well known for their beneficial effects
on health, long before their biochemical characterization. In particular, quercetin is
categorized as a flavonol, one of the five subclasses of flavonoid compounds. Although
flavonoids occur as either glycosides (with attached glycosyl groups) or as aglycones, most
altogether of the dietary intake concerning quercetin is in the glycoside form. Following …