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Title: Comprehensive quantification of triacylglycerols in soybean seeds by electrospray ionization mass spectrometry with multiple neutral loss scans

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep06581· OSTI ID:1221621
 [1];  [1];  [1]
  1. Univ. of Missouri, St. Louis, MO (United States); Donald Danforth Plant Science Center, St. Louis, MO (United States)

Soybean seeds are an important source of vegetable oil and biomaterials. The content of individual triacylglycerol species (TAG) in soybean seeds is difficult to quantify in an accurate and rapid way. The present study establishes an approach to quantify TAG species in soybean seeds utilizing an electrospray ionization tandem mass spectrometry with multiple neutral loss scans. Ten neutral loss scans were performed to detect the fatty acyl chains of TAG, including palmitic (P, 1650), linolenic (Ln, 1853), linoleic (L, 1852), oleic (O, 1851), stearic (S, 1850), eicosadienoic (2052), gadoleic (2051), arachidic (2050), erucic (2251), and behenic (2250). The abundance of ten fatty acyl chains at 46 TAG masses (mass-to-charge ratio, m/z) were determined after isotopic deconvolution and correction by adjustment factors at each TAG mass. The direct sample infusion and multiple internal standards correction allowed a rapid and accurate quantification of TAG species. Ninety-three TAG species were resolved and their levels were determined.The most abundant TAG species were LLL, OLL, LLLn, PLL, OLLn, OOL, POL, and SLL. Many new species were detected and quantified. As a result, this shotgun lipidomics approach should facilitate the study of TAG metabolism and genetic breeding of soybean seeds for desirable TAG content and composition.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Center for Advanced Biofuel Systems (CABS); Univ. of Missouri, St. Louis, MO (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001295
OSTI ID:
1221621
Journal Information:
Scientific Reports, Vol. 4; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 31 works
Citation information provided by
Web of Science

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Cited By (7)

Research advances based on mass spectrometry for profiling of triacylglycerols in oils and fats and their applications journal May 2018
Comprehensive lipid profiling of early stage oocytes and embryos by MRM profiling
  • de Lima, Camila Bruna; Ferreira, Christina Ramires; Milazzotto, Marcella Pecora
  • Journal of Mass Spectrometry, Vol. 53, Issue 12 https://doi.org/10.1002/jms.4301
journal November 2018
An efficient and comprehensive plant glycerolipids analysis approach based on high‐performance liquid chromatography–quadrupole time‐of‐flight mass spectrometer journal November 2019
Characterization of pharmaceutic structured triacylglycerols by high‐performance liquid chromatography/tandem high‐resolution mass spectrometry and its application to structured fat emulsion injection journal January 2020
Mass spectrometry-based shotgun lipidomics – a critical review from the technical point of view journal August 2018
Multiple reaction monitoring (MRM)-profiling with biomarker identification by LC-QTOF to characterize coronary artery disease journal January 2018
Profiling of epidermal lipids in a mouse model of dermatitis: Identification of potential biomarkers journal April 2018