Trolox equivalent antioxidant capacity
The Trolox equivalent antioxidant capacity (TEAC) assay measures the antioxidant capacity of a given substance, as compared to the standard, Trolox. Most commonly, antioxidant capacity is measured using the ABTS Decolorization Assay.
Source: Wikipedia — Trolox equivalent antioxidant capacity (CC BY-SA 4.0)