When it comes to the health benefits of white raisins vs. dark raisins, most would assume the latter has more antioxidants. However that is not the case, as the white has higher antioxidant content and the golden has the highest of the three varieties.
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