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FTIR-ATR spectroscopy based metabolite fingerprinting as a direct determination of butter adulterated with lard

Nurrulhidayah, A. F. and Che Man, Y. B. and Amin, Izzeldin and Rosman, Arieff Salleh and Farawahidah, M. Y. and Shuhaimi, Mustafa and Khatib, Alfi (2015) FTIR-ATR spectroscopy based metabolite fingerprinting as a direct determination of butter adulterated with lard. International Journal of Food Properties, 18 (2). pp. 372-379. ISSN 1094-2912

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Official URL: http://dx.doi.org/10.1080/10942912.2012.692224

Abstract

Adulteration of butter with cheaper animal fats, such as lard, has become an issue in recent years. A simple and rapid analytical method of attenuated total reflectance in Fourier transform infrared spectroscopy was developed in order to determine the lard content in butter. The multivariate calibration of partial least square model for the prediction of adulterant was developed for quantitative measurement. The model yielded the highest regression with the correlation coefficient (R2) = 0.999, its lowest root mean square error estimation = 0.0947, and its root mean square error prediction = 0.0687, respectively. Cross validation testing evaluates the predictive power of the model. Partial least square model to be effective as their intercept of R2Y and Q2Y were 0.08 and-0.34, respectively

Item Type:Article
Uncontrolled Keywords:FTIR, lard, metabolite fingerprinting
Subjects:B Philosophy. Psychology. Religion > BP Islam. Bahaism. Theosophy, etc
Divisions:Islamic Civilisation
ID Code:55410
Deposited By: Fazli Masari
Deposited On:24 Aug 2016 12:04
Last Modified:15 Feb 2017 14:48

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