NATURALLY OCCURRING PROGESTERONE IN LOBLOLLY PINE (PINUS TAEDA L.): A MAJOR STEROID PRECURSOR OF ENVIRONMENTAL ANDROGENS

摘要

Progesterone, androstenedione, and androstadienedione were previously identified in the water and sediment of the Fenholloway River (Taylor County, FL, USA), a river that contains populations of masculinized female mosquitofish downstream of a paper mill,