Seltene Flavonoid-Aglykone im lipophilen Exkret von Alnus glutinosa / Rare Flavonoid-aglycones in the Lipophil Excretion of Alnus glutinosa

Abstract
The terpenoid excretion on buds of Alnus glutinosa is shown to contain free flavonoid aglycones. These are pectolinarigenine, centaureidin, the 3,6-dimethylether, 6,4′-dimethylether and 3,6,4′-trimethylether of 6-hydroxykaempferol and isorhamnetin.