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GC Analysis of the Fatty Acid Composition of Yak Kidney

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An Erratum to this article was published on 21 February 2009

Abstract

To obtain valuable information for development of potential commercial products from yak kidney, which is usually treated as waste, the fatty acid composition of kidneys from yak reared in Gansu province, China, was investigated by gas chromatography. Fifteen different fatty acids were identified. The major fatty acids are oleic acid (33.3%), stearic acid (20.2%), and palmitic acid (18.4%). More interestingly, several important and essential fatty acids were also identified, including conjugated linoleic acid (2.94%), omega-3 fatty acids, for example docosahexaenoic acid (1.47%), eicosapentaenoic acid (1.11%) and alpha linolenic acid (0.37%), and omega-6 fatty acids, for example arachidonic acid (2.86%) and linoleic acid (1.98%). The results show that the fatty acid composition of yak kidney is of reasonable value and is suitable for further development of possible commercial products. This is the first report of the fatty acid profile of yak kidney.

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Acknowledgments

We gratefully acknowledge the assistance of Ting-peng Huang, Zi-rong Zhao, Gang Ma, and Xia Zhu in GC analysis.

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Authors and Affiliations

  1. College of Food Science and Engineering, Gansu Agricultural University, 730070, Lanzhou, China

    Qiang Wang, Shenggui Zhang, Yubin Zhang & Enguo Fan

  2. College of Animal Science and Technology, Gansu Agricultural University, 730070, Lanzhou, China

    Jianping Wu

  3. Center for Engineering and Technological Research on Livestock Products of Gansu Province, 730070, Lanzhou, China

    Jianping Wu

  4. College of Agronomy, Gansu Agricultural University, 730070, Lanzhou, China

    Haixia Zhang

  5. Institut für Biochemie und Molekularbiologie, Universität Freiburg, Stefan-Meier-Strasse 17, 79104, Freiburg, Germany

    Enguo Fan

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  1. Qiang Wang
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  2. Jianping Wu
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  3. Shenggui Zhang
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  4. Yubin Zhang
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Corresponding authors

Correspondence to Jianping Wu or Enguo Fan.

Additional information

An erratum to this article is available at http://dx.doi.org/10.1365/s10337-009-1035-x.

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Wang, Q., Wu, J., Zhang, S. et al. GC Analysis of the Fatty Acid Composition of Yak Kidney. Chroma 69, 139–143 (2009). https://doi.org/10.1365/s10337-008-0845-6

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