Natural antioxidants can protect the human body from free radicals and retard the progress of many chronic diseases as well as lipid oxidative rancidity in foods. The role of antioxidants has attracted much interest with respect to their protective effect against free radical damage that may cause many diseases including cancer. Juglans regia L. is a valuable medicinal plant. Its root, stem, bark, leaves, fruits, seeds and seed oil are applied in traditional medicines to cure various health complaints. The solvent extracts of stem bark exhibit indicative to prominent antimicrobial activity. Antioxidant potential of various extracts is determined using spectrphotometric methods. Results of DPPH and Nitric Oxide assay confirm that extracts obtained from stem bark of J. regia L. possess significant antioxidant property.
