the flavonol glycosides of apple skin ( malus silvestris mill . cv . golden delicious ) were separated by means of cellulose column chromatography and paper chromatography , and the following compounds were obtained crystalline and identified by usual procedures : quercetin 3-o-alpha-d-galactoside , quercetin 3-o-xyloside , quercetin 3-o-alpha-l-arabinofuranoside , quercetin 3-o-rhamnoside and rutin .
C0060444
flavonol
C0035976
rutin