2.1. Subjects
GASTROENTERITIS, GASTROINTESTINAL DISORDERS
Eight healthy adults (no recent episodes of gastroenteritis, no chronic gastrointestinal disorders, afebrile), four males and four females (age matched) with an age range of 25–50 years and with normal Zn status were recruited from Ancona, Italy. The research was approved by the Ethic Committee of Marche Region (prot. 34431/P; 08/07/2009) and all participants gave written, informed consent after the nature, purpose, inconveniences, risks, and benefits of participation were explained.