This test reflects the ORAC value for a homemade version of extra virgin olive oil with basil. The test did not specify whether dried or fresh basil was used.Olive oil by itself has very little antioxidant content so in this food, it is safe to say a fair amount is coming from the added herb.
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