abstract:The flavanonols (with two "o"s aka 3-hydroxyflavanone or 2,3-dihydroflavonol) are a class of flavonoids that use the 3-hydroxy-2,3-dihydro-2-phenylchromen-4-one (IUPAC name) backbone.
The flavonoids of the Toona sinensis leaves and fruits have been tested by means of tube-test, including flavones, flavonols, flavanones, flavanonol, etc.