Peanuts are often looked down upon as being a cheaper, lower quality nut. Nothing could be further from the truth, as peanuts are one of the most nutritious nuts there is. Their high resveratrol content rivals red wine, which is partly why they have such a high ORAC value.
ORAC Source
USDA Database for the Oxygen Radical Absorbance Capacity (ORAC) of Selected Foods, Release 2 - Prepared by Nutrient Data Laboratory, Beltsville Human Nutrition Research Center (BHNRC), Agricultural Research Service (ARS), U.S. Department of Agriculture (USDA) - May 2010