Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Wayne R. Wolf"'
Autor:
Kristine Y. Patterson, James M. Harnly, Jake Exler, Susan E. Gebhardt, William Craig Byrdwell, Ronald L. Horst, Wayne R. Wolf, Joanne M. Holden, Katherine M. Phillips
Publikováno v:
Journal of Food Composition and Analysis. 24:299-306
Samples of vitamin D fortified orange juice obtained from retail food stores were analyzed for vitamin D3 content using a method developed by combining the best features of two AOAC methods. Detection by ultraviolet absorption at 265 nm was compared
Autor:
Wayne R. Wolf, Robert J. Goldschmidt
Publikováno v:
Analytical and Bioanalytical Chemistry. 397:471-481
Assessing dietary intake of vitamins from all sources, including foods, dietary supplements, and fortified foods, would be aided considerably by having analytical methodologies that are capable of simultaneous determination of several vitamins. Vitam
Publikováno v:
Journal of AOAC INTERNATIONAL. 92:680-688
The purpose of this study was to develop a single-laboratory validated (SLV) method using high-performance liquid chromatography with different detectors diode array detector (DAD); fluorescence detector (FLD); and mass spectrometry (MS) for determin
Publikováno v:
The Journal of Nutrition. 139:178-184
The systematic chemical analysis of foods for human consumption in the United States had its origin with Wilbur O. Atwater. This activity began in the 1860s while Atwater was a student at Yale University and continued through his tenures at Wesleyan
Autor:
Maria Teresa Tarrago-Trani, Michael F. Holick, Linda E Lemar, Joanne M. Holden, Kristine Y. Patterson, Ronald L. Horst, Bruce W. Hollis, James M. Harnly, Wayne R. Wolf, W. Craig Byrdwell, Katherine M. Phillips, Jacob Exler
Publikováno v:
Journal of Food Composition and Analysis. 21:527-534
As part of the United States Department of Agriculture's (USDA) National Food and Nutrient Analysis Program (NFNAP), food composition data for vitamin D in the USDA National Nutrient Database for Standard Reference are being updated and expanded, foc
Autor:
Maria Teresa Tarrago-Trani, Wayne R. Wolf, Mark Lada, Ronald L. Horst, W. Craig Byrdwell, Kristine Y. Patterson, Jacob Exler, Joanne M. Holden, Bruce W. Hollis, James M. Harnly, Katherine M Philips, Linda E. Lemar, Michael F. Holick, Jon DeVries
Publikováno v:
The American Journal of Clinical Nutrition. 88:554S-557S
This report briefly reviews existing methods for analyzing the vitamin D content of fortified and unfortified foods. The existing chemical methods are similar; all are time consuming, require experienced technicians, and have only been validated for
Autor:
Jackie Whitted, Katherine E. Sharpless, Leila G. Saldanha, Johanna T. Dwyer, Janet M. Roseland, Constance J. Hardy, Karen W. Andrews, James M. Harnly, Cuiwei Zhao, Charles R. Perry, Mary Frances Picciano, Kathy Radimer, Paul M. Coates, John A. Milner, Jaime Wilger, Joseph M. Betz, Amy Schweitzer, Kenneth D. Fisher, Elizabeth A Yetley, Joanne M. Holden, Wayne R. Wolf, Vicki L. Burt
Publikováno v:
Analytical and Bioanalytical Chemistry. 389:37-46
This article illustrates the importance of having analytical data on the vitamin and mineral contents of dietary supplements in nutrition studies, and describes efforts to develop an analytically validated dietary supplement ingredient database (DSID
Autor:
Robert J. Goldschmidt, Wayne R. Wolf
Publikováno v:
Journal of AOAC INTERNATIONAL. 90:1084-1089
The availability of deuterium-labeled nicotinic acid makes stable isotope dilution mass spectromerty (MS) coupled with liquid chromatography (LC) an attractive option for the determination of the water-soluble B-vitamin niacin in food samples. A meth
Autor:
Joanne M. Holden, Wayne R. Wolf, Katherine M. Phillips, Katherine E. Sharpless, Kristine Y. Patterson
Publikováno v:
Analytical and Bioanalytical Chemistry. 389:219-229
Over a 6.5-year period a total of 2554 values were reported by nine laboratories for 259 certified or reference nutrient concentrations in 26 certified reference materials (CRM) submitted to contract laboratories, blinded, as part of the qualifying p
Autor:
Wayne R. Wolf, Katherine E. Sharpless, Kristine Y. Patterson, Karen R. Amanna, Joanne M. Holden, Katherine M. Phillips
Publikováno v:
Accreditation and Quality Assurance. 12:126-133
Certified reference materials (CRMs) play a critical role in validating the accuracy of nutrient data for food samples. A number of available food CRMs of differing matrix composition have assigned concentrations for various nutrients, along with ass