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Potential use of fourier transform infrared spectroscopy for differentiation of bovine and porcine gelatins.

Mat Hashim , Dzulkifly and Che Man , Yaakob and R., Norakasha and Mustafa, Shuhaimi and Y., Salmah and Z.A., Syahariza (2010) Potential use of fourier transform infrared spectroscopy for differentiation of bovine and porcine gelatins. Food Chemistry, 118 . pp. 856-860. ISSN 0308-8146

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Abstract

In order to classify unknown gelatin into their species of origin, a simple and rapid method for the qualitative determination was developed using Fourier transform infrared (FTIR) in combination with attenuated total reflectance (ATR) and discriminant analysis. The spectra were analysed using a chemometric method, principal component analysis (PCA), to classify and characterise gelatin compounds using regions of the FTIR spectra in the range of 3290–3280 cm1 and 1660–1200 cm1 as calibration models. Results from PCA, which were subsequently represented by the Cooman’s plot showed a clear distinction between gelatin samples of bovine and porcine origins. This qualitative approach, besides providing a rapid determination of the source of gelatin, may also be established based on a second derivative study of the FTIR spectrum to alleviate any doubt of the gelatin source for applications in the food and pharmaceutical industries.

Item Type:Article
Keyword:Attenuated total reflectance; Discriminant analysis; Fourier transform infrared; Spectroscopy; Gelatin; Cooman's plot.
Subject:Infrared spectroscopy.
Subject:Discriminant analysis.
Subject:Fourier transform infrared spectroscopy.
Faculty or Institute:Faculty of Biotechnology and Biomolecular Sciences
Publisher:Elsevier Ltd.
DOI Number:10.1016/j.foodchem.2009.05.049
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.foodchem.2009.05.049
ID Code:16268
Deposited By: Nida Hidayati Ghazali
Deposited On:16 Jul 2012 12:49
Last Modified:16 Jul 2012 12:49

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