Circular dichroism, a powerful tool for the assessment of absolute configuration of flavonoids

Application of circular dichroism to definition of the absolute configuration of flavanones, dihydroflavonols, flavan-3-ols, flavan-4-ols, flavan-3,4-diols, flavans, isoflavans, isoflavanones, pterocarpans, neoflavonoids, and 4-arylflavan-3-ols is discussed.