glycoside biosynthetic process quercetin O-glucoside biosynthetic process GO:0033303 quercetin O-glucoside synthesit The chemical reactions and pathways leading to the formation of O-glucosylated derivatives of quercetin. quercetin O-glucoside anabolism quercetin O-glucoside biosynthesis quercetin O-glucoside formation biological_process MetaCyc:PWY-5321 flavone biosynthetic process