Glossary – phytochemistry (under construction)
[ A B C D E F G H I J K L M N O P Q R S T U V W X Z ]
Quassinoids – subclass of triterpenoids (nortriterpenoid) composed of 19 or 20 carbon atoms
Quebrachitol – a cyclic polyol
Quercetin – a common flavonol
Quercitrin – a glycoside formed from quercetin (a flavonol) and rhamnose
Quinic acid – a cyclitol (cyclic polyol)
Quinine – a quinoline alkaloid, a stereoisomer of quinidine; quinine contains two major fused-ring systems, aromatic quinoline and bicyclic quinuclidine; present in Cinchona (Rubiaceae)
Quinolizidines – alkaloids derived from lysine and with two fused 6-membered rings that share a nitrogen
Quinones – the general name for aromatic compounds that have two atoms of hydrogen replaced by two atoms of oxygen; usually yellow, red, or orange