Can Dioscorea species reduce oxidative stress?

Oxidative stress created lot of health problems including cardiovascular, diabetic, neoplastic, cognitive disorders etc. These health problems are burning issues throughout the world might be due to lack of dietry items with antioxidants & modern life style. Therefore, need the consumption of food having high concentration of antioxidants from nature or food products. In this aspect, tubers and bulbils of Dioscorea species could be the prime choice as they are the source of high concentration of starch along with diverse secondary metabolites and historical evidences of consumtion by the many communities globally. Therefore, keeping this in view the chapter is designed to bring attention towards their bio-chemical components as a source of the bioagents that could be able to manage the oxidative stress to fight against many leathal health problems. The literature, field and experimental results revelaed that the plant parts of Dioscorea could be an important food and medicines in reducing the oxidative stress in cellular level in our body.