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Journal of the American Oil Chemists' Society

, Volume 89, Issue 7, pp 1333–1343 | Cite as

Evaluation of Agronomic and Seed Characteristics in Elevated Oleic Acid Soybean Lines in the South-Eastern US

  • Benjamin D. Fallen
  • Katy Rainey
  • Carl E. Sams
  • Dean A. Kopsell
  • Vincent R. Pantalone
Original Paper

Abstract

Increasing oleic acid, a monounsaturated fatty acid, is reported to strike the best balance between cold flow properties and oxidative stability in soybean seed oil to enhance biodiesel and produce a better burning fuel. In addition, it is important that elevated oleic acid soybeans have the agronomic traits of local cultivars and maintain oleic acid stability across environments. Research was conducted in 2007–2008 to evaluate six Roundup Ready® soybean recombinant inbred lines exhibiting enhanced levels of oleic acid. The six elevated oleic lines averaged a 55% increase in oleic acid and a 43% decrease in linolenic acid over the two commercial cultivars (AG3906 and AG4103). Some elevated oleic acid genotypes fulfilled the linear regression definition of a stable genotype. TN03-93RR was the best genotype because of its oleic acid content (397 g kg−1) and desirable regression estimates for stability. Iodine value (IV), peroxide value (PV), and induction period (IP) were used to evaluate the fuel properties of the two lines with the highest oleic acid content and the two commercial cultivars. The elevated oleic acid lines had significantly better IP, PV and IV for better biodiesel properties and oxidative stability than the two commercial cultivars.

Keywords

Biodiesel Iodine value Induction period Oleic acid Peroxide value Soybean oil Stability 

Abbreviations

FAME

Fatty acid methyl ester(s)

IP

Induction period

IV

Iodine value

OSI

Oxidative stability index

PV

Peroxide value

SME

Soybean methyl ester

Notes

Acknowledgments

We appreciate the research support provided by the University of Tennessee Agricultural Experiment Station. We also appreciate support by the Tennessee Soybean Promotion Board and by the Better Bean Initiative of the United Soybean Board, which led to the development of the elevated oleic acid soybean lines that made this research possible.

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Copyright information

© AOCS 2012

Authors and Affiliations

  • Benjamin D. Fallen
    • 1
  • Katy Rainey
    • 2
  • Carl E. Sams
    • 1
  • Dean A. Kopsell
    • 1
  • Vincent R. Pantalone
    • 1
  1. 1.Department of Plant SciencesUniversity of TennesseeKnoxvilleUSA
  2. 2.Department of AgronomyPurdue UniversityWest LafayetteUSA

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