Chemical Papers

, Volume 67, Issue 3, pp 274–283 | Cite as

Effect of animal age and gender on fatty acid and elemental composition in Austrian beef applicable for authentication purposes

  • Adriána BednárováEmail author
  • Ján Mocák
  • Walter Gössler
  • Margit Velik
  • Josef Kaufmann
  • Ladislav Staruch
Original Paper


The main aim of the present study was to find differences in the content of fatty acids and variations in elemental composition in beef samples of longissimus dorsi muscle related to cattle age and gender. A further goal was to describe interrelations among the selected variables (descriptors) characterising the samples. For this purpose, an extensive data table was compiled, which contains chemical descriptors specifying forty-six beef samples originating from four well-known Austrian grassland-based beef labels. The following descriptors were investigated: (a) concentrations of 33 fatty acids, (b) concentrations of 19 elements, (c) contents of dry-mass, protein, intramuscular fat, and ash, (d) total content of saturated fatty acids (SFA), mono-unsaturated fatty acids (MUFA), and poly-unsaturated fatty acids (PUFA), (e) total contents of omega-3 (n-3) and omega-6 (n-6) PUFA and their ratio. The correlation analysis provided a number of statistically significant correlations among the descriptors, which were concordant with the results of the principal component analysis and cluster analysis. Furthermore, the effect of age and gender of cattle (both acting as target factors) on the fatty acid content and elemental composition of beef was examined by analysis of variance (ANOVA) and appropriate non-parametric tests. Several important interrelations among the beef characteristics investigated were also discovered. Finally, the most relevant beef descriptors were utilised in linear discrimination analysis (LDA) for predicting the slaughter age of the cattle for beef authentication.


beef chemical composition fatty acids elemental composition cattle age ANOVA multivariate data analysis 


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Copyright information

© Institute of Chemistry, Slovak Academy of Sciences 2012

Authors and Affiliations

  • Adriána Bednárová
    • 1
    Email author
  • Ján Mocák
    • 1
  • Walter Gössler
    • 2
  • Margit Velik
    • 3
  • Josef Kaufmann
    • 3
  • Ladislav Staruch
    • 4
  1. 1.Department of ChemistryUniversity of SS. Cyril and MethodiusTrnavaSlovakia
  2. 2.Institute for Chemistry, Analytical ChemistryKarl-Franzens UniversityGrazAustria
  3. 3.Department of Analytical ChemistryAgricultural Research and Education Centre Raumberg-GumpensteinIrdningAustria
  4. 4.Department of Food Science and TechnologySlovak University of TechnologyBratislavaSlovakia

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