phlorizin
/flɒˈrʌɪzɪn/ /ˈflɒrɪzɪn/Chemistry
noun
A crystalline compound, C21H24O10, which is a glucoside of phloretin, occurs widely in apple and other fruit trees, and acts biochemically as an uncoupler.
Origin
Mid 19th century; earliest use found in American Journal of Science. From French phloridzin or its etymon German Phloridzin from ancient Greek ϕλοιός bark + ῥίζα root + German -in.