Isolation and Analytical Method Development of Flavonol Glycoside, Quercetin-3-O-β-D-Glucoside: A Review

Quercetin-3-O-β-D-Glucoside (QG) is well known phytoconstituents with antioxidant property that has been studied extensively. QG has been used as marker compound alone or along with other plant molecules for standardization of plant extracts. The article discusses various reported methods for isolation and analytical methods for QG to assist phytochemists