Deuterated phytoestrogen flavonoids and isoflavonoids for quantitation

Isotopically and isomerically pure polydeuterated flavonoids and isoflavonoids have been prepared for quantitation of these compounds in biological matrices. Various deutero-labeling techniques are presented and methods for establishing the isotopical and isomerical purity of deuterated products are discussed. (C) 2002 Elsevier Science B.V. All rights reserved.