ABSTRACT

Introduction ............................................................................................ 37 Dietary Estrogens and Antiestrogens .................................................... 39

Lignans................................................................................................ 39 Zearalenone ........................................................................................ 40 Coumestans ........................................................................................ 41 Genistein ............................................................................................. 42 Indole-3-Carbinol and Metabolites as Antiestrogens ....................... 43

Summary ................................................................................................. 46 References ............................................................................................... 47

Over the past 50 years dietary estrogens have played an important role in human health and animal agriculture. In the late 1940s compounds present in subterranean clover were shown to alter reproduction in sheep. This reproductive failure had a severe economic impact on the sheep industry in Australia.