Determination of fatty acid content in meat and meat products: The FTIR-ATR approach. 2018

M Lucarini, and A Durazzo, and J Sánchez Del Pulgar, and P Gabrielli, and G Lombardi-Boccia
CREA - Research Center for Food and Nutrition, Via Ardeatina 546, Rome, Italy. Electronic address: massimo.lucarini@crea.gov.it.

The aim of the study was to investigate the feasibility of Fourier Transformed Infrared Spectroscopy (FTIR) on Attenuated Total Reflectance (ATR) in the determination of the fatty acid content in meat and meat products. The Multivariate calibrations were developed and proposed for Saturated Fatty Acids (SFA), Monounsatured Fatty Acids (MUFA), Polyunsatured Fatty Acids (PUFA) and Palmitic Acid. SFA and MUFA models, developed using the first derivative and the selected region 3022.33-650.15 cm-1, gave the best performance, with a coefficient of calibration r2 0.9834 and 0.9775, respectively, and the relative Root Mean Square Error of Calibration (RMSEC) 0.594 and 0.699. The best model for PUFA was obtained for region 4000.12-650.15 using the first derivative (r2 0.9817, RMSEC 0.724). Palmitic acid, chosen as the case study of single fatty acids, showed a best linear regression for the first derivative approach in region 4000.12-650.15. Results were less satisfactory in prediction in the proposed models.

UI MeSH Term Description Entries
D008460 Meat The edible portions of any animal used for food including cattle, swine, goats/sheep, poultry, fish, shellfish, and game. Meats
D008461 Meat Products Articles of food which are derived by a process of manufacture from any portion of carcasses of any animal used for food (e.g., head cheese, sausage, scrapple). Meat Product,Product, Meat,Products, Meat
D005227 Fatty Acids Organic, monobasic acids derived from hydrocarbons by the equivalent of oxidation of a methyl group to an alcohol, aldehyde, and then acid. Fatty acids are saturated and unsaturated (FATTY ACIDS, UNSATURATED). (Grant & Hackh's Chemical Dictionary, 5th ed) Aliphatic Acid,Esterified Fatty Acid,Fatty Acid,Fatty Acids, Esterified,Fatty Acids, Saturated,Saturated Fatty Acid,Aliphatic Acids,Acid, Aliphatic,Acid, Esterified Fatty,Acid, Saturated Fatty,Esterified Fatty Acids,Fatty Acid, Esterified,Fatty Acid, Saturated,Saturated Fatty Acids
D017550 Spectroscopy, Fourier Transform Infrared A spectroscopic technique in which a range of wavelengths is presented simultaneously with an interferometer and the spectrum is mathematically derived from the pattern thus obtained. FTIR,Fourier Transform Infrared Spectroscopy,Spectroscopy, Infrared, Fourier Transform

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