Evaluation of Combined Antioxidant Potential of P -Coumaric Acid And/or Lisinopril — in Vitro and in Vivo

p-coumaric acid (p-CA) is a phenolic acid abundantly present in several foods, and lisinopril is a widely employed angiotensin-converting enzyme inhibitor for the treatment of hypertension and endothelial dysfunction. This study was convened to determine the combined antioxidative effect of p-CA and/ lisinopril — in vitro and in vivo. Stock solutions of p-CA (50 mM) and lisinopril (50 mM) were separately prepared. Subsequently, preparation of different combinations of samples (50