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Assessment of the discrimination of animal fat by FT-Raman spectroscopy

Abbas, O. ; Fernández Pierna, J.A. ; Codony, R. ; von Holst, C. ; Baeten, V.

Journal of molecular structure, 2009-04, Vol.924, p.294-300 [Periódico revisado por pares]

Elsevier B.V

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  • Título:
    Assessment of the discrimination of animal fat by FT-Raman spectroscopy
  • Autor: Abbas, O. ; Fernández Pierna, J.A. ; Codony, R. ; von Holst, C. ; Baeten, V.
  • Assuntos: Alimentació animal ; Animal fats ; Animal feeding ; Discrimination ; Espectroscòpia Raman ; Fatty acids ; Feeds ; FT-Raman ; PCA ; Pinsos ; PLS-DA ; Raman spectroscopy ; Àcids grassos
  • É parte de: Journal of molecular structure, 2009-04, Vol.924, p.294-300
  • Descrição: In recent years, there has been an increased attention towards the composition of feeding fats. In the aftermath of the BSE crisis all animal by-products utilised in animal nutrition have been subjected to close scrutiny. Regulation requires that the material belongs to the category of animal by-products fit for human consumption. This implies the use of reliable techniques in order to insure the safety of products. The feasibility of using rapid and non-destructive methods, to control the composition of feedstuffs on animal fats has been studied. Fourier Transform Raman spectroscopy has been chosen for its advantage to give detailed structural information. Data were treated using chemometric methods as PCA and PLS-DA which have permitted to separate well the different classes of animal fats. The same methodology was applied on fats from various types of feedstock and production technology processes. PLS-DA model for the discrimination of animal fats from the other categories presents a sensitivity and a specificity of 0.958 and 0.914, respectively. These results encourage the use of FT-Raman spectroscopy to discriminate animal fats.
  • Editor: Elsevier B.V
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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