Pinobanksin 3-acetate, a flavonoid derivative, is a strong antioxidant found in sunflowers and honey that inhibits LDL peroxidation.

Quercetin 3-O-(6''-galloyl)-beta-D-galactopyranoside can effectively induce apoptosis via p53, MAPKs and the mitochondrial apoptotic pathways.

Kaempferol 3,4'-diglucoside, a flavonol compound, has been isolated from the aqueous methanolic extract of Norway spruce buds. Furthermore, this compound has also been identified in the needles of the Norway spruce.