Antioxidant Properties, Phytoactive Compounds and Potential Protective Action of Flowers Against Combined Gastro-Intestinal Ulcer and Diarrhea Experimentally Induced in Rat oleh Saber Jedidi PhD, Houcine Selmi PhD, Foued Aloui PhD, Kais Rtibi PhD, Houcem Sammari PhD, Chaabane Abbes PhD, Hichem Sebai PhD