References Cited for the ORAC Assay
1. Cao, G., Alessio, H. and Cutler, R. G. (1993): Oxygen-Radical Absorbency Capacity Assay for Antioxidants. Free Rad. Biol. Med. 14:303-311.

2. DeLang, R., Glazer, A. (1989): Phycoerythrin Fluorescence-Based Assay for Peroxy Radicals: A Screen for Biologically Relevant Protective Agents.Analyt. Biochem.177:300-306.

3. Halliwell, B.; Gutteridge, J. M. C. (1990): The Antioxidants of Human Extracellular Fluids. Arch. Biochem. Biophys. 280:1-8.

4. Maples, R. K.; Mason, R. P. (1988): Free Radical Metabolite of Uric Acid. J. Biol. Med. 263:1709-1712. 

5. Aruoma, O. I.; Halliwell, B. (1989): Inactivation of -1-Antiproteinase by Hydroxy Radicals; The Effect of Uric Acid. FEBS Lett. 244:76-80.

6. Packer, L. (1995): Oxidative Stress, Antioxidants, Aging and Disease. Oxidative Stress and Aging; Birkhauser Verlang. 1-14.

7. Frei, B.; Stocker, R.; Ames, B. N. (1988) Antioxidant Defenses and Lipid Peroxidation in Human Plasma. Proc. Natl. Acad. Sci. 85:9752.

8. Byers, T. and Perry, G. (1992) Dietary Carotenes, Vitamin C, and Vitamin E as Protective Antioxidants in Human Cancers. Ann. Rev. Nutr. 12:139-159.

9. Gey, K. F.; Puska, P.; Jordan, P.; Moser, U.K. (1991) Inverse Correlation Between Plasma Vitamin E and Mortality from Ischemic Heart Disease in Cross-Cultural Epidemiology. Am. J. Clin. Nutr. 53:326S-334S.

10. Tolmasoff, J. M.; Ono, T. and Cutler, R. G. (1980) Superoxide Dismutase: Correlation with Lifespan and Specific Metabolic Rate in Primate Species. Proc. Natl. Acad. Sci. 77:2777-2781.

11. Orr, W. C. and Sohal, R. S. (1994) Extension of lifespan by Over Expression of Superoxide Dismutase and Catalase in Drosophila Melanogaster. Science 263:1128-1130.