174 



FLAVONOIDS AND RELATED COMPOUNDS 



same 



oxidation 



level 



\/ \«_ 



CH- 



^ CHOH 



\/\h- 



C 

 II 

 



leucoanthocyanidins 



flavanones 



same 



oxidation 



level 



II 







v°^ 



^/ 



CH 







V 



H 



C 



I 



C-OH 



flavanonols 



flavones 



anthocyanidins 



