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United States Department of Agriculture

Agricultural Research Service

ROBIN G THOMAS
Nutrient Data
Nutritionist

Phone: (301) 504-0645
Fax: (301) 504-0632
Room 209
10300 BALTIMORE AVENUE
BLDG 005 BARC-WEST
BELTSVILLE, MD, 20705-2350


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Recent trends in ready-to-eat breakfast cereals in the U.S. - (Peer Reviewed Journal)
Thomas, R.G., Pehrsson, P.R., Ahuja, J.K., Smieja, E., Miller, K.B. 2013. Recent trends in ready-to-eat breakfast cereals in the U.S.. Procedia Food Science. 2:20-26.
USDA Monitors Levels of Added Sodium in Processed and Prepared Foods - (Peer Reviewed Journal)
Holden, J.M., Pehrsson, P.R., Nickle, M.S., Haytowitz, D.B., Exler, J., Showell, B.A., Williams, J.R., Thomas, R.G., Ahuja, J.K., Lemar, L.E., Gebhardt, S. 2013. USDA monitors levels of added sodium in processed and prepared foods. Procedia Food Science. 2:6-67.
USDA National Nutrient Database for Standard Reference, Release 25 - (Research Technical Update)
Haytowitz, D.B., Showell, B.A., Pehrsson, P.R., Patterson, K.K., Thomas, R.G., Williams, J.R., Nickle, M.S., Roseland, J.M., Exler, J., Somanchi, M., Khan, M., Holden, J., 2012. USDA National Nutrient Database for Standard Reference, Release 25. USDA National Nutrient Database for Standard Reference. http://www.ars.usda.gov/Services/docs.htm?docid=8964.
USDA National Nutrient Database for Standard Reference, Release 24 - (Research Technical Update)
Haytowitz, D.B., Lemar, L.E., Pehrsson, P.R., Exler, J., Patterson, K.K., Thomas, R.G., Nickle, M.S., Williams, J.R., Showell, B.A., Khan, M., Duvall, M., Holden, J.M. 2011. USDA National Nutrient Database for Standard Reference, Release 24. Available: http://www.ars.usda.gov/Services/docs.htm?docid=8964.
USDA National Nutrient Database for Standard Reference, Release 23 - (Other)
Gebhardt, S.E., Lemar, L.E., Pehrsson, P.R., Exler, J., Haytowitz, D.B., Showell, B.A., Nickle, M.S., Thomas, R.G., Patterson, K.K., Bhagwat, S.A., Holden, J.M. USDA national nutrient database for standard reference, release 23. Available: http://www.ars.usda.gov/nutrientdata
USDA National Nutrient Database for Standard Reference, Release 22 - (Other)
Gebhardt, S.E., Lemar, L.E., Pehrsson, P.R., Exler, J., Haytowitz, D.B., Patterson, K.K., Nickle, M.S., Thomas, R.G., Showell, B.A., Holden, J.M. 2009. USDA National Nutrient Database for Standard Reference, Release 22. USDA National Nutrient Database for Standard Reference. Available: http://www.ars.usda.gov/nutrientdata.
Nutrient Composition of Retail Samples of Sorghum, Millet, and Whole Wheat Flour - (Abstract Only)
Gebhardt, S.E., Thomas, R.G. 2009. Nutrient composition of retail samples of sorghum, millet, and whole wheat flour. American Association of Cereal Chemists (AACC) International Annual Meeting, September 13-16, 2009, Baltimore, Maryland.
Tropical Fruits and Nectars Typically Consumed in Latino Communities Are Excellent Sources of Vitamins A, C, and Other Nutrients - (Abstract Only)
Thomas, R.G., Gebhardt, S.E. Tropical Fruits and Nectars Typically Consumed in Latino Communities Are Excellent Sources of Vitamins A, C, and Other Nutrients. American Dietetic Association (ADA), Denver, CO, October 17-20, 2009.
Estimation of the Vitamin D Content of Foods for the Assessment of Dietary Intake - (Abstract Only)
Gebhardt, S.E., Thomas, R.G., Exler, J., Lemar, L.E., Holden, J.M. 2009. Estimation of the vitamin D content of foods for the assessment of dietary intake. International Conference on Diet and Activity Methods, June 5-7, 2009, Washington, D.C.
The Ins and Outs of USDA Nutrient Composition - (Abstract Only)
Thomas, R.G., Gebhardt, S.E. 2008. The ins and outs of USDA nutrient composition. University of Delaware, October 17, 2008, Newark, Delaware.
USDA National Nutrient Database for Standard Reference, Release 21 - (Other)
Gebhardt, S.E., Lemar, L.E., Haytowitz, D.B., Pehrsson, P.R., Nickle, M.S., Showell, B.A., Thomas, R.G., Exler, J., Holden, J.M. 2008. USDA National Nutrient Database for Standard Reference, Release 21. USDA National Nutrient Database for Standard Reference. Available: http://www.ars.usda.gov/nutrientdata.
Nutrient Retention of Vitamins and Minerals in Cooked Whole Grains - (Abstract Only)
Gebhardt, S.E., Thomas, R.G. 2008. Nutrient Retention of Vitamins and Minerals in Cooked Whole Grains. AACC International, Sept. 21-24, 2008 Honolulu, HI.
Nutritive Value of Pomegranate Fruit and Juice - (Abstract Only)
Thomas, R.G., Gebhardt, S.E. 2008. Nutritive value of pomegranate fruit and juice. Maryland Dietetic Association Annual Meeting, April 11, 2008, Rockville, MD.
Methods of Imputation used in the USDA National Nutrient Database for Standard Reference - (Abstract Only)
Gebhardt, S.E., Thomas, R.G. 2008. Methods of imputation used in the USDA National Nutrient Database for Standard Reference. 32nd National Nutrient Data Bank Conference, May 12-14, 2008, Ottawa, Ontario, Canada.
Expansion of USDA’s Food and Nutrient Databases to Meet Evolving Needs - (Abstract Only)
Thomas, R.G., Gebhardt, S.E., Nickle, M.S. 2008. Expansion of USDA’s food and nutrient databases to meet evolving needs. American Dietetic Association Food & Nutrition Conference & Expo, October 25-28, 2008, Chicago, IL.
USDA National Nutrient Database for Standard Reference, Release 20 - (Other)
Gebhardt, S.E., Pehrsson, P.R., Cutrufelli, R.L., Lemar, L.E., Howe, J.C., Haytowitz, D.B., Nickle, M.S., Holcomb, G.T., Showell, B.A., Thomas, R.G., Exler, J., Holden, J.M. 2007. Usda national nutrient database for standard reference, release 20. USDA National Nutrient Database for Standard Reference.NDL Home Page. Available: www.ars.udsda.gov/nutrientdata.
Nutrient Composition of Amaranth, Kamut, Quinoa, Spelt and Teff - (Abstract Only)
Gebhardt, S.E., Thomas, R.G. 2007. Nutrient Composition of Amaranth, Kamut, Quinoa, Spelt and Teff. AACC International Annual Meeting, October 7-10, 2007, San Antonio, Texas.
Hungry for Nutrient Data? Navigating the USDA Nutrient Database - (Abstract Only)
Thomas, R.G., Nickle, M.S. 2007. Hungry for Nutrient Data? Navigating the USDA Nutrient Database. Maryland Dietetic Association Annual Meeting, March 12, 2007, Towson, Maryland.
Examining Phytosterols in Nuts and Seeds for the USDA National Nutrient Database for Standard Reference - (Abstract Only)
Thomas, R.G., Gebhardt, S.E., Phillips, K. 2007. Examining phytosterols in nuts and seeds for the usda national nutrient database for standard reference. National Nutrient Databank Conference, May 1, 2007, Washington, D.C.
Comparison of analytical values for enrichment nutrients in selected grain products to federal enrichment standards - (Abstract Only)
Gebhardt, S.E., Thomas, R.G. 2007. Comparison of analytical values for enrichment nutrients in selected grain products to federal enrichment standards. Experimental Biology, April 25, 2007, Washington, D.C.
USDA National Nutrient Database for Standard Reference, Release 19 - (Other)
Gebhardt, S.E., Cutrufelli, R.L., Howe, J.C., Haytowitz, D.B., Pehrsson, P.R., Lemar, L.E., Holcomb, G.T., Stup, M.A., Thomas, R.G., Exler, J., Showell, B.A., Holden, J.M. 2006. Usda national nutrient database for standard reference, release 19. Home Page www.ars.usda.gov/nutrientdata.
Nuts and Seeds As Sources of Alpha and Gamma Tocopherols - (Abstract Only)
Thomas, R.G., Gebhardt, S.E. 2006. Nuts and seeds as sources of alpha and gamma tocopherols. ICR/WCRF International Research Conference, July 13-14, 2006, Washington, D.C.
Reassessment of Household Measures and Weights for Selected Fruit in the USDA National Nutrient Database for Standard Reference - (Abstract Only)
Thomas, R.G., Gebhardt, S.E. Reassessment of household measures and weights for selected fruit in the usda national nutrient database for standard reference. Maryland Dietetic Association annual meeting, March 31, 2006, Maryland.
Updating Weights and Percent Refuse for Raw Fruit in the USDA National Nutrient Database for Standard Reference - (Abstract Only)
Gebhardt, S.E., Thomas, R.G. Updating weights and percent refuse for raw fruit in the usda national nutrient database for standard reference. National Nutrient Databank Conference, September 18-20, 2006, Hawaii.
The Nutrient Data Laboratory Web Site Gets a New Look - (Peer Reviewed Journal)
Lemar, L.E., Haytowitz, D.B., Bingham, M., Cutrufelli, R.L., Thomas, R.G. 2006. The Nutrient Data Laboratory web site gets a new look. Journal of Food Composition and Analysis. 19:S96-S99.
USDA Database for the Added Sugars Content of Selected Foods - (Other)
Pehrsson, P.R., Cutrufelli, R.L., Gebhardt, S.E., Lemar, L.E., Holcomb, G.T., Haytowitz, D.B., Exler, J., Thomas, R.G., Stup, M.A., Showell, B.A., Howe, J.C., Holden, J.M. 2005. USDA database for the added sugars content of selected foods. Home Page: www.ars.usda.gov/nutrientdata.
USDA National Nutrient Database for Standard Reference, Release No. 18, Cd-Rom - (Other)
Haytowitz, D.B., Gebhardt, S.E., Lemar, L.E., Cutrufelli, R.L., Howe, J.C., Pehrsson, P.R., Stup, M.A., Exler, J., Holcomb, G.T., Thomas, R.G., Showell, B.A., Holden, J.M. 2005. USDA National Nutrient Database for Standard Reference, Release no. 18, CD-ROM.
USDA National Nutrient Database for Standard Reference, Release No. 18 - (Other)
Gebhardt, S.E., Lemar, L.E., Cutrufelli, R.L., Haytowitz, D.B., Howe, J.C., Pehrsson, P.R., Stup, M.A., Exler, J., Holcomb, G.T., Thomas, R.G., Showell, B.A., Holden, J.M. 2005. USDA National Nutrient Database for Standard Reference, Release No. 18. Home Page: www.ars.usda.gov/nutrientdata
The USDA National Nutrient Database for Windows, Sr18 Version - (Other)
Haytowitz, D.B., Cutrufelli, R.L., Lemar, L.E., Thomas, R.G. 2005. The USDA National Nutrient Database for Windows, SR18 version. Home Page. www.ars.usda.gov/nutrientdata.
The USDA National Nutrient Database for Personal Digital Assistants (Pdas), Sr18 Version - (Other)
Haytowitz, D.B., Cutrufelli, R.L., Lemar, L.E., Thomas, R.G. 2005. The USDA National Nutrient Database for Personal Digital Assistants (PDAs), SR18 version. Home Page. http://www.ars.usda.gov/nutrientdata.
USDA National Nutrient Database for Standard Reference, Release No. 17 - Cd-Rom - (Other)
Haytowitz, D.B., Gebhardt, S.E., Pehrsson, P.R., Lemar, L.E., Cutrufelli, R.L., Howe, J.C., Holcomb, G.T., Exler, J., Thomas, R.G., Showell, B.A., Holden, J.M. 2004. USDA national nutrient database for standard reference, release No. 17 - CD-ROM.
The USDA National Nutrient Database for Windows, Sr17 - (Other)
Haytowitz, D.B., Cutrufelli, R.L., Lemar, L.E., Thomas, R.G. 2004. The USDA national nutrient database for windows, SR17. Home Page. http://www.nal.usda.gov/fnic/foodcomp
The USDA National Nutrient Database for Personal Digital Assistants (Pdas), Rel. 17 - (Other)
Haytowitz, D.B., Cutrufelli, R.L., Lemar, L.E., Thomas, R.G. 2004. The USDA national nutrient database for personal digital assistants (PDAs), rel. 17. Home Page. http://www.nal.usda.gov/fnic/foodcomp.
USDA National Nutrient Database for Standard Reference, Release No. 17 - (Other)
Gebhardt, S.E., Pehrsson, P.R., Lemar, L.E., Haytowitz, D.B., Cutrufelli, R.L., Howe, J.C., Holcomb, G.T., Exler, J., Thomas, R.G., Showell, B.A., Holden, J.M. 2004. USDA National nutrient database for standard reference, release no. 17. Home Page. http://www.nal.usda.gov/fnic/foodcomp
USDA Nutrient Database for Standard Reference, Release No. 16, Cd-Rom - (Other)
Haytowitz, D.B., Gebhardt, S.E., Lemar, L.E., Exler, J., Pehrsson, P.R., Cutrufelli, R.L., Howe, J.C., Thomas, R.G., Holcomb, G.T., Showell, B.A. 2004. Usda nutrient database for standard reference, release no. 16, cd-rom. Available: http://www.nal.usda.gov/fnic/foodcomp Home Page.
The USDA National Nutrient Database for Personal Digital Assistants (Pdas), Rel. 16 - (Other)
De Jesus, V.P., Cutrufelli, R.L., Haytowitz, D.B., Lemar, L.E., Thomas, R.G. 2004. The usda national nutrient database for personal digital assistants (pdas), rel. 16. Home Page. Available: http://www.nal.usda.gov/fnic/foodcomp.
The USDA National Nutrient Database for Windows, Sr16 - (Other)
Haytowitz, D.B., De Jesus, V.P., Cutrufelli, R.L., Lemar, L.E., Thomas, R.G. 2003. The usda national nutrient database for windows, sr16. Home Page. Available: http://www.nal.usda.gov/fnic/foodcomp.
USDA Nutrient Database for Standard Reference, Release No. 16 - (Other)
Gebhardt, S.E., Howe, J.C., Lemar, L.E., Haytowitz, D.B., Pehrsson, P.R., Cutrufelli, R.L., Exler, J., Thomas, R.G., Holcomb, G.T., De Jesus, V.P., Holden, J.M. 2004. USDA nutrient database for standard reference, release no. 16. Home Page. Available: http://www.nal.usda.gov/fnic/foodcomp.
ARS News Articles
Last Modified: 9/29/2014