tax·i·fo·lin | \ ˌtaksəˈfōlə̇n \
Definition of taxifolin
: a crystalline pentahydroxy flavanone C15H7O2(OH)5 that occurs naturally especially in the heartwood of Douglas fir, may be prepared from quercetin by reduction with sodium hydrosulfite, and yields quercetin on oxidation; dihydro-quercetin
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