sentences:  In 2003, this prompted research interest in piceatannol and its effect on these diseases.Injected in rats, piceatannol shows a rapid glucuronidation and a poor bioavailability, according to a 2006 study.A 2012 Purdue University study found that fat cells in culture, in the presence of piceatannol, alters the timing of gene expressions, gene functions and insulin action, resulting in the delay or complete inhibition of adipogenesis.