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Folate profiling in potato (Solanum tuberosum) tubers by ultrahigh-performance liquid chromatography-tandem mass spectrometry

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Abstract
An ultrahigh-performance liquid chromatography tandem mass spectrometry method was developed and validated for the profiling of six folate species in potatoes. The calibration curves cover a wide, linear range (the lower and upper limits of quantitation range between 0.22-0.24 and 216.07-242.28 mu g/100 g of fresh weight), allowing sensitive determination in small amounts of potato flesh. With a single exception, the acceptance criteria for intra- and interday precision and accuracy were met: for all quality controls, the percent relative standard deviation and the percent bias were lower than 15% (or 20% at the lower limit of quantitation). Application of the method on tubers at different stages of maturation demonstrated the large variability within a single variety: the folate content and polyglutamylation rate varied between 10.35 and 24.01 mu g/100 g of fresh weight and between 4.96% and 60.49%, respectively. Additionally, the two-dimensional folate profiling of mature tubers demonstrated an increase in folate from center to peel, combined with a stable species distribution and polyglutamylation rate.
Keywords
folate profiling, folate, potato, Solanum tuberosum, UHPLC-MS/MS, tandem mass spectrometry, variability, FOLIC-ACID, MICROBIOLOGICAL ASSAY, BIOANALYTICAL METHODS, TRIENZYME EXTRACTION, FOODS, VEGETABLES, RETENTION, ENHANCEMENT, OPTIMIZATION, STABILITY

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Chicago
Van Daele, Jeroen, Dieter Blancquaert, Filip Kiekens, Dominique Van Der Straeten, Willy Lambert, and Christophe Stove. 2014. “Folate Profiling in Potato (Solanum Tuberosum) Tubers by Ultrahigh-performance Liquid Chromatography-tandem Mass Spectrometry.” Journal of Agricultural and Food Chemistry 62 (14): 3092–3100.
APA
Van Daele, Jeroen, Blancquaert, D., Kiekens, F., Van Der Straeten, D., Lambert, W., & Stove, C. (2014). Folate profiling in potato (Solanum tuberosum) tubers by ultrahigh-performance liquid chromatography-tandem mass spectrometry. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 62(14), 3092–3100.
Vancouver
1.
Van Daele J, Blancquaert D, Kiekens F, Van Der Straeten D, Lambert W, Stove C. Folate profiling in potato (Solanum tuberosum) tubers by ultrahigh-performance liquid chromatography-tandem mass spectrometry. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY. 2014;62(14):3092–100.
MLA
Van Daele, Jeroen, Dieter Blancquaert, Filip Kiekens, et al. “Folate Profiling in Potato (Solanum Tuberosum) Tubers by Ultrahigh-performance Liquid Chromatography-tandem Mass Spectrometry.” JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 62.14 (2014): 3092–3100. Print.
@article{4412309,
  abstract     = {An ultrahigh-performance liquid chromatography tandem mass spectrometry method was developed and validated for the profiling of six folate species in potatoes. The calibration curves cover a wide, linear range (the lower and upper limits of quantitation range between 0.22-0.24 and 216.07-242.28 mu g/100 g of fresh weight), allowing sensitive determination in small amounts of potato flesh. With a single exception, the acceptance criteria for intra- and interday precision and accuracy were met: for all quality controls, the percent relative standard deviation and the percent bias were lower than 15\% (or 20\% at the lower limit of quantitation). Application of the method on tubers at different stages of maturation demonstrated the large variability within a single variety: the folate content and polyglutamylation rate varied between 10.35 and 24.01 mu g/100 g of fresh weight and between 4.96\% and 60.49\%, respectively. Additionally, the two-dimensional folate profiling of mature tubers demonstrated an increase in folate from center to peel, combined with a stable species distribution and polyglutamylation rate.},
  author       = {Van Daele, Jeroen and Blancquaert, Dieter and Kiekens, Filip and Van Der Straeten, Dominique and Lambert, Willy and Stove, Christophe},
  issn         = {0021-8561},
  journal      = {JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY},
  keyword      = {folate profiling,folate,potato,Solanum tuberosum,UHPLC-MS/MS,tandem mass spectrometry,variability,FOLIC-ACID,MICROBIOLOGICAL ASSAY,BIOANALYTICAL METHODS,TRIENZYME EXTRACTION,FOODS,VEGETABLES,RETENTION,ENHANCEMENT,OPTIMIZATION,STABILITY},
  language     = {eng},
  number       = {14},
  pages        = {3092--3100},
  title        = {Folate profiling in potato (Solanum tuberosum) tubers by ultrahigh-performance liquid chromatography-tandem mass spectrometry},
  url          = {http://dx.doi.org/10.1021/jf500753v},
  volume       = {62},
  year         = {2014},
}

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