Preparation and Characterization of a Suite of Ephedra-Containing Standard Reference Materials

Document Type: Research Article

Affiliations: 1: National Institute of Standards and Technology, Analytical Chemistry Division, Gaithersburg, MD 20899-8390. 2: U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD 20740-3835. 3: National Institutes of Health, Office of Dietary Supplements, Bethesda, MD 20892. 4: National Institute of Standards and Technology, Analytical Chemistry Division, Gaithersburg, MD 20899-8392. 5: National Research Council Canada, Ottawa, Ontario, Canada K1A 0R9. 6: Food Products Association, Washington, DC 20005. 7: National Institute of Standards and Technology, Analytical Chemistry Division, Gaithersburg, MD 20899-8392: Permanent address: National Metrology Institute of Japan, AIST, Tsukuba, Japan. 8: U.S. Food and Drug Administration, Center for Drug Evaluation and Research, Silver Spring, MD 20993. 9: National Institute of Standards and Technology, Analytical Chemistry Division, Gaithersburg, MD 20899-8395. 10: ChromaDex, Inc., Clearwater, FL 33760. 11: National Institute of Standards and Technology, Analytical Chemistry Division, Gaithersburg, MD 20899-8391. 12: ChromaDex, Inc., Clearwater, FL 33760: Present address: Tampa Bay Analytical Research, Inc., Safety Harbor, FL 34695-0931. 13: National Institute of Standards and Technology, Statistical Engineering Division, Gaithersburg, MD 20899-8980.

Publication date: 01 November 2006