Taxifolin

Taxifolin is a flavanonol, a type of flavonoid.
It can be found in conifers like the Siberian larch, Larix sibirica, in Russia, in Pinus roxburghii, in Cedrus deodara and in the Chinese yew, Taxus chinensis var. mairei.
It is also found in the silymarin extract from the milk thistle seeds.