Authors: Valentova K, Vrba J, Bancirova M, Ulrichova J. PMID: 24680690 DOI: 10.1016/j.fct.2014.03.018 Abstract The flavonoid isoquercitrin (quercetin-3-O-β-d-glucopyranoside) is commonly found in medicinal herbs, fruits, vegetables and plant-derived foods and beverages. This article reviews the occurrence, preparation, bioavailability, pharmacokinetics, toxicology and biological activity of isoquercitrin and "enzymatically modified (α-glucosylated) isoquercitrin" (EMIQ). Pure isoquercitrin can now [...]