A new method of measuring the antioxidant activity of polyphenols using cumene hydroperoxide.

Background: It is well known that polyphenols lower the risk of chronic diseases such as heart disease and cancer. We describe a new method using cumene hydroperoxide (CHP) to determine the antioxidant activity of polyphenols. CHP is considered to be a model reactive lipid peroxidation product.

[Antioxidant activities of green and black teas determined by the cumene hydroperoxide/hemoglobin.methylene blue method].

Antioxidant activity in tea was measured by the new cumene hydroperoxide/hemoglobin.methylene blue(CHP/Hb.MB) method developed in our laboratory.