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Measurement of fat content of food with single-sided NMR

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Journal of the American Oil Chemists' Society


Fat content is one of the important parameters of quality control in many food products. Several techniques are used to determine the amount of fat in a given product. In this work, the applicability of a portable dedicated nuclear magnetic resonance (NMR) analyzer to measure the fat content in a packaged product without destruction of the material was examined. Two different low-field NMR methods, namely, a ratio method and a relaxation time method, were applied and discussed. The processed NMR signal was linearly correlated with the fat content obtained by reference methods. The linear correlation allowed the application of single-sided NMR for fat measurements.

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Guthausen, A., Guthausen, G., Kamlowski, A. et al. Measurement of fat content of food with single-sided NMR. J Amer Oil Chem Soc 81, 727–731 (2004).

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