FAQs

What is the standard used in the ORAC assay?
For peroxyl radical, the standard is Trolox, an analogue of vitamin E; for hydroxyl radical, the standard is gallic acid.

What does "ORAC" stand for?

Who are the original ORAC developers?

What is the principle of the ORAC assay?

What does the ORAC assay actually measure?

What are the drawbacks of the original ORAC method?

What improvement on ORAC was made by Brunswick Laboratories?

Do you have literature references about the use of fluorescein for the ORAC assay?

How many harmful reactive oxygen species exist in the body?

Does the improved ORAC assay measure the total antioxidant activity against all the radicals?

What samples can be tested for ORAC?

What are the Applications of ORAC:

How long does the test take to perform?

What is the standard used in the ORAC assay?

What is the unit of the ORAC result?

Can I use the ORAC result as a quality control for my product development?

Can I use the published ORAC data for comparison purpose?

Why the ORAC assay is advantageous over many other methods?

What are the potential interferences/ pitfalls of this assay?

What instrument is used for the ORAC assay?

Who are the competitors for the ORAC testing service?