Zearalenone (Standard) is the analytical standard of Zearalenone. This product is intended for research and analytical applications. Zearalenone is a mycotoxin produced mainly by fungi belonging to the genus Fusarium in foods and feeds. Possess oestrogenic activity in pigs, cattle and sheep, with low acute toxicity. Causes precocious development of mammae and other estrogenic effects in young gilts^[1][2].