Evaluation of important fatty acid ratios in poultry feed lipids by ATR FTIR spectroscopy
A rapid, simple and reproducible single bounce attenuated total reflectance (SB-ATR)
Fourier transform infrared (FTIR) spectroscopic method was developed for determination of
the n− 6, n− 3 and ratio of n− 6: n− 3 polyunsaturated fatty acids (PUFAs) in poultry feed
lipids using partial least squares (PLS) regression. Data for n− 6, n− 3 and ratio of n− 6: n− 3
was acquired by gas chromatography (GC) and used as a standard values for FTIR
calibration. The best regression results were achieved using first derivatives of the 1475 …
Fourier transform infrared (FTIR) spectroscopic method was developed for determination of
the n− 6, n− 3 and ratio of n− 6: n− 3 polyunsaturated fatty acids (PUFAs) in poultry feed
lipids using partial least squares (PLS) regression. Data for n− 6, n− 3 and ratio of n− 6: n− 3
was acquired by gas chromatography (GC) and used as a standard values for FTIR
calibration. The best regression results were achieved using first derivatives of the 1475 …
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