Shaun MacMahon

Summary

Affiliation: Food and Drug Administration
Country: USA

Publications

  1. doi request reprint Analysis of processing contaminants in edible oils. Part 2. Liquid chromatography-tandem mass spectrometry method for the direct detection of 3-monochloropropanediol and 2-monochloropropanediol diesters
    Shaun MacMahon
    Center for Food Safety and Applied Nutrition, United States Food and Drug Administration, College Park, MD 20740, USA
    J Agric Food Chem 61:4748-57. 2013
  2. doi request reprint Analysis of processing contaminants in edible oils. Part 1. Liquid chromatography-tandem mass spectrometry method for the direct detection of 3-monochloropropanediol monoesters and glycidyl esters
    Shaun MacMahon
    Center for Food Safety and Applied Nutrition, United States Food and Drug Administration, 5100 Paint Branch Parkway, College Park, MD 20740, USA
    J Agric Food Chem 61:4737-47. 2013
  3. doi request reprint A liquid chromatography-tandem mass spectrometry method for the detection of economically motivated adulteration in protein-containing foods
    Shaun MacMahon
    United States Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
    J Chromatogr A 1220:101-7. 2012
  4. doi request reprint Occurrence of 3-MCPD and glycidyl esters in edible oils in the United States
    Shaun MacMahon
    a US Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
    Food Addit Contam Part A Chem Anal Control Expo Risk Assess 30:2081-92. 2013
  5. ncbi request reprint Application of single immunoaffinity clean-up for simultaneous determination of regulated mycotoxins in cereals and nuts
    Marta Vaclavikova
    U S Food and Drug Administration, Center for Food Safety and Applied Nutrition, Office of Regulatory Science, 5100 Paint Branch Parkway, HFS 706, College Park, MD 20740, USA Electronic address
    Talanta 117:345-51. 2013

Collaborators

Detail Information

Publications5

  1. doi request reprint Analysis of processing contaminants in edible oils. Part 2. Liquid chromatography-tandem mass spectrometry method for the direct detection of 3-monochloropropanediol and 2-monochloropropanediol diesters
    Shaun MacMahon
    Center for Food Safety and Applied Nutrition, United States Food and Drug Administration, College Park, MD 20740, USA
    J Agric Food Chem 61:4748-57. 2013
    ..The range of average recoveries and relative standard deviations (RSDs) across the three oil matrices at three spiking concentrations are 88-118% (2-16% RSD) with maximum limits of quantitation of 30 ng/g (ppb)...
  2. doi request reprint Analysis of processing contaminants in edible oils. Part 1. Liquid chromatography-tandem mass spectrometry method for the direct detection of 3-monochloropropanediol monoesters and glycidyl esters
    Shaun MacMahon
    Center for Food Safety and Applied Nutrition, United States Food and Drug Administration, 5100 Paint Branch Parkway, College Park, MD 20740, USA
    J Agric Food Chem 61:4737-47. 2013
    ..8-103% (5.1-11.2% RSD) for the sn-2 3-MCPD monoesters, with limits of quantitation at or below 30 ng/g for the GEs, 60 ng/g for sn-1 3-MCPD monoesters, and 180 ng/g for sn-2 3-MCPD monoesters...
  3. doi request reprint A liquid chromatography-tandem mass spectrometry method for the detection of economically motivated adulteration in protein-containing foods
    Shaun MacMahon
    United States Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
    J Chromatogr A 1220:101-7. 2012
    ..2% (6.6% RSD), triuret (TU) 97.7% (5.7% RSD), and amidinourea (AU) 93.4% (7.4% RSD). This method provides a rapid and effective approach to proactively combat economically motivated adulteration in protein-containing products...
  4. doi request reprint Occurrence of 3-MCPD and glycidyl esters in edible oils in the United States
    Shaun MacMahon
    a US Food and Drug Administration, Center for Food Safety and Applied Nutrition, College Park, MD, USA
    Food Addit Contam Part A Chem Anal Control Expo Risk Assess 30:2081-92. 2013
    ..The highest concentrations for both 3-MCPD and glycidol were seen in refined palm oil and palm olein samples. Palm olein samples also contained a higher percentage of 3-MCPD in mono-ester form than any other type of oil. ..
  5. ncbi request reprint Application of single immunoaffinity clean-up for simultaneous determination of regulated mycotoxins in cereals and nuts
    Marta Vaclavikova
    U S Food and Drug Administration, Center for Food Safety and Applied Nutrition, Office of Regulatory Science, 5100 Paint Branch Parkway, HFS 706, College Park, MD 20740, USA Electronic address
    Talanta 117:345-51. 2013
    ..The method trueness was tested with analytical spikes and certified reference materials, with recoveries ranging from 71% to 112% for all of the examined mycotoxins. ..