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Effect of Soybean Oil Fatty Acid Composition and Selenium Application on Biodiesel Properties

  • Original Paper
  • Published:
Journal of the American Oil Chemists' Society

Abstract

Biodiesel consisting principally of monounsaturated fatty acid methyl esters (FAME) has been reported to have the optimal balance between cold flow properties and oxidative stability, therefore producing a superior fuel. In addition, treating biodiesel with antioxidants such as selenium (Se) also increases oxidative stability. Fuel properties including acid value (AV), cloud point (CP), iodine value (IV), pour point (PP), peroxide value (PV), induction period (IP), onset temperature (OT), and kinematic viscosity (KV) were used to evaluate a newly developed Roundup Ready® soybean recombinant inbred line (RIL) and a commercial cultivar. The RIL had a fatty acid profile with elevated levels of monounsaturated FAME. TN07-93RR was determined as the more desirable line for production of biodiesel, based on its fatty acid composition and subsequent fuel properties. The commercial cultivar AG3906 contained the highest abundance of polyunsaturated FAME and exhibited comparatively high IV and low oxidative stability. AG3906 was therefore not acceptable under the European biodiesel standard, EN 14214. However, TN07-93RR and AG3906 both were considered satisfactory according to the American biodiesel standard, ASTM D6751. Foliar treatment of soybean plants with varying amounts of Se had no effect on subsequent biodiesel oxidative stabilities.

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Abbreviations

AV:

Acid value

CP:

Cloud point

FAME:

Fatty acid methyl ester(s)

KV:

Kinematic viscosity

IP:

Induction period

IV:

Iodine value

OT:

Onset temperature

PV:

Peroxide value

PP:

Pour point

RIL:

Recombinant inbred line

Se:

Selenium

SME:

Soybean methyl ester

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Acknowledgments

We appreciate the support provided by the University of Tennessee Agricultural Experiment Station and the Tennessee Soybean Promotion Board. We also appreciate the support by the Better Bean Initiative of the United Soybean Board, which led to the development of the increased oleic soybean lines that made this research possible. The authors acknowledge Benetria N. Banks and Ray K. Holloway for their excellent technical assistance.

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Authors and Affiliations

  1. Department of Plant Sciences, University of Tennessee, 2431 Joe Johnson Dr, Knoxville, TN, 37996, USA

    Benjamin D. Fallen, Vincent R. Pantalone, Carl E. Sams & Dean A. Kopsell

  2. United States Department of Agriculture, Agricultural Research Service, National Center for Agricultural Utilization Research, 1815 N. University St Peoria, Peoria, IL, 61604, USA

    Steven F. Vaughn & Bryan R. Moser

Authors
  1. Benjamin D. Fallen
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  2. Vincent R. Pantalone
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  3. Carl E. Sams
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  4. Dean A. Kopsell
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  5. Steven F. Vaughn
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  6. Bryan R. Moser
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Corresponding author

Correspondence to Vincent R. Pantalone.

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Product names are necessary to report factually on available data; however, the USDA neither guarantees nor warrants the standard of the product, and the use of the name by USDA implies no approval of the product to the exclusion of others that may also be suitable.

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Fallen, B.D., Pantalone, V.R., Sams, C.E. et al. Effect of Soybean Oil Fatty Acid Composition and Selenium Application on Biodiesel Properties. J Am Oil Chem Soc 88, 1019–1028 (2011). https://doi.org/10.1007/s11746-010-1746-z

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  • DOI: https://doi.org/10.1007/s11746-010-1746-z

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