Baking chocolate, unsweetened, squares

The antioxidant value of Baking chocolate, unsweetened, squares described in ORAC units is:
49,926 μ mol TE/100g.

The ORAC value is expressed in micromoles of Trolox Equivalents per 100 grams of sample (this is the laboratory measure of ORAC).

Source

Nutrient Data Laboratory, Agriculture Research Service, US Department of Agriculture, Oxygen radical absorbance capacity (ORAC) of Selected Foods - 2007.