Zobrazeno 1 - 10
of 115
pro vyhledávání: '"Jeanne I, Rader"'
Autor:
Christine M. Pfeiffer, Maya R. Sternberg, Heather C. Hamner, Zia Fazili, Sedigheh Yamini, Clifford L. Johnson, Regan L Bailey, Mindy Zhang, Robert J. Berry, Jeanne I. Rader, Elizabeth A Yetley, David A Lacher
Publikováno v:
British Journal of Nutrition. 113:1965-1977
Serum and erythrocyte (RBC) total folate are indicators of folate status. No nationally representative population data exist for folate forms. We measured the serum folate forms (5-methyltetrahydrofolate (5-methylTHF), unmetabolised folic acid (UMFA)
Autor:
Stuart J. Chirtel, John K. G. Kramer, Samantha Farris, Magdi M. Mossoba, Cynthia T. Srigley, Jeanne I. Rader
Publikováno v:
Journal of the American Oil Chemists' Society. 91:1651-1663
The performance of a novel, transmission-mode, portable, Fourier transform infrared (FTIR) analyzer was evaluated and compared to that of a benchtop attenuated total reflection (ATR)-FTIR spectrometer. The total concentration of trans fatty acids in
Publikováno v:
Analytical and Bioanalytical Chemistry. 405:5759-5772
The adverse effects of dietary trans fat on biomarkers of chronic disease are well documented. Regulatory authorities in many countries have enacted legislation aimed at reducing trans fat content of their food supplies, either by requiring trans fat
Autor:
Magdi M. Mossoba, Cynthia Tyburczy, Jeanne I. Rader, Ali-Reza Fardin Kia, John K. G. Kramer, Pierluigi Delmonte, Hormoz Azizian
Publikováno v:
Journal of the American Oil Chemists' Society. 90:757-770
Declarations of the total content of trans fatty acids (FA) and saturated FA (SFA) are mandatory on food labels in the US and Canada. Gas chromatography (GC) has been the method of choice for the determination of FA composition. However, GC is time c
Publikováno v:
Analytical Chemistry. 85:1517-1524
The separation of fatty acid methyl esters (FAME) provided by a 200 m × 0.25 mm SLB-IL111 capillary column is enhanced by adding a second dimension of separation ((2)D) in a GC × GC design. Rather than employing two GC columns of different polariti
Publikováno v:
Journal of AOAC INTERNATIONAL. 95:1588-1596
Simultaneous separation of steviol and steviol glycosides is challenging because of differences in their polarity and chemical structure. In this study, simultaneous analysis of steviol and steviol glycosides was achieved by LC with UV detection usin
Publikováno v:
Analytical and Bioanalytical Chemistry. 404:809-819
Current interest by the food industry in exploring reformulation options that lower the content of trans fat in edible fats and oils requires methods to accurately measure low levels of trans fat. In the present study, the quantitation of trans fat i
Autor:
Robert J. Berry, David A. Lacher, Christine M. Pfeiffer, Mindy Zhang, Jeanne I. Rader, Christopher T. Sempos, Jeffery P. Hughes, Regan L Bailey, Clifford L. Johnson, Elizabeth A Yetley
Publikováno v:
The Journal of Nutrition. 142:886-893
The NHANES has monitored folate status of the U.S. population from prefortification (1988-1994) to postfortification (1999-2010) by measuring serum and RBC folate concentrations. The Bio-Rad radioassay (BR) was used from 1988 to 2006, and the microbi
Autor:
Magdi M. Mossoba, Cynthia Tyburczy, John K. G. Kramer, Ali Reza Fardin-Kia, Pierluigi Delmonte, Jeanne I. Rader
Publikováno v:
Journal of Agricultural and Food Chemistry. 60:4567-4577
The content of trans fat in foods is most commonly determined by summing the levels of individual trans fatty acids (FAs), analyzed as FA methyl esters (FAME) by gas chromatography. Current Official Methods of the American Oil Chemists' Society (AOCS
Autor:
Alexander J. Krynitsky, Jeanne I. Rader, Erich Grundel, Rahul S. Pawar, Hemlata Tamta, Wayne G. Wamer
Publikováno v:
Xenobiotica. 42:1038-1048
1. Toxicity of pyrrolizidine alkaloids (PAs) largely depends on their metabolic activation by hepatic enzymes, including cytochrome P450s, to become chemically reactive pyrrolic derivatives. These then spontaneously release the esterifying acids to g