DOI: /10.5513/JCEA01/12.4.962

Original scientific paper

Chemometric analysis of fatty acids profile of bream (Abramis brama), ruffe (Gymnocephalus cernua) and perch (Perca fluviatilis) meat from Lake Gopło and Włocławski Dam Reservoir

2011, 12 (4)   p. 608-621

Bogumila Kupcewicz, Magdalena STANEK, Bogdan JANICKI

Abstract

The 18 fatty acid profiles have been determined in 63 samples of muscles from three freshwater fish species: bream, ruffe and perch by gas chromatography method. The fish were collected in natural condition from two reservoirs located in central Poland: Lake Gopło and Włocławski Reservoir. A chemometric study with the use of hierarchical cluster analysis (HCA), principal component (PCA) and stepwise linear discrimination analysis (LDA) was applied to characterize, classify and differentiate collected samples. The chemometric techniques by using fatty acids content as descriptors allow clearly distinguish 6 groups according to fish species and their geographical origin.

Keywords

fatty acids, freshwater fish, chemometrics

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