THE ANALYSIS OF FLAVONOIDS FROM INDIGENOUS SPECIES OF BETULACEAE.
TĂMAŞ MIRCEA, POP CARMEN, POP ANDA
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Abstract:

A qualitative and quantitative analysis of flavonoids was performed on five Betulaceae species from Romania: Alnus glutinosa (L.) Gastn., A. incana (L.) Moench., Betula pendula Roth., Corylus avellana L. and Carpinus betulus L. The content of flavonoids was between 2.10% in Alnus glutinosa and 3.50% in Betula pendula, while the content in proanthocyanidins was between 0.056% in A. glutinosa and 0.56% in Corylus avelana. The flavonoidic aglycones were represented by quercetol and myricetol. The presence of myricetol only in Corylus and Carpinus was the reason to separate Corylaceae from Betulaceae.




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