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Authentication analysis of butter from beef fat using Fourier Transform Infrared (FTIR) spectroscopy coupled with chemometrics

Ahmad Fadzlillah, Nurrulhidayah and Che Man, Yaakob and Abdul Rohman, and Ismail, Amin and Mustafa, Shuhaimi and Khatib, Alfi (2013) Authentication analysis of butter from beef fat using Fourier Transform Infrared (FTIR) spectroscopy coupled with chemometrics. International Food Research Journal, 20 (3). pp. 1383-1388. ISSN 1985-4668; ESSN: 2231-7546

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Abstract

The use of Fourier transform infrared (FTIR) spectroscopy coupled with chemometric techniques to differentiate butter from beef fat (BF) was investigated. The spectral bands associated with butter, BF, and their mixtures were scanned, interpreted, and identified by relating them to those spectroscopically representative to pure butter and BF. For quantitative analysis, partial least square (PLS) regression was used to develop a calibration model at the selected fingerprint regions of 1500–1000 cm -1 , with the values of coefficient of determination (R 2 ) and root mean square error of calibration (RMSEC) are 0.999 and 0.89% (v/v), respectively. The PLS calibration model was subsequently used for the prediction of independent samples containing butter in the binary mixtures with BF. Using 6 principal components, root mean square error of prediction (RMSEP) is 2.42% (v/v). These results proved that FTIR spectroscopy in combination with multivariate calibration can be used for the detection and quantification of BF in butter formulation for authentication use.

Item Type:Article
Keyword:Authenticity; Chemometrics; FTIR spectroscopy; Butter; Beef fat.
Faculty or Institute:Faculty of Food Science and Technology
Faculty of Medicine and Health Science
Halal Products Research Institute
Institute of Bioscience
Publisher:Faculty of Food Science and Technology, Universiti Putra Malaysia
ID Code:30471
Deposited By: Khairil Ridzuan Khahirullah
Deposited On:25 Aug 2014 09:31
Last Modified:01 Jun 2015 10:58

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