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Multivarate calibration of fourier transform spectra in determining the malonaldehyde as a TBA reactive substance (TBARS) in palm olein

Fourier transform infrared (FTIR) spectra of palm oil samples between 2900 and 2800 cm–1 and 1800 and 1600 cm–1 were used to compare different multivariate calibration techniques for quantitative determination of their thiobarbituric acid-reactive substance (TBARS) content. Fifty spectra (in dupli...

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Main Authors: Mirghani, Mohamed Elwathig Saeed, Che Man, Yakoob, Selamat, Jinap, Baharin, B. S., Bakar, Jamilah
格式: Article
语言:English
出版: Springer Berlin 2001
主题:
T Technology (General)
在线阅读:http://irep.iium.edu.my/7868/1/Elwathig_%28Multivariate_TBA%29.pdf
http://irep.iium.edu.my/7868/
http://www.aocs.org/Journals/jaocs.cfm
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spelling my.iium.irep.78682012-05-08T00:24:08Z http://irep.iium.edu.my/7868/ Multivarate calibration of fourier transform spectra in determining the malonaldehyde as a TBA reactive substance (TBARS) in palm olein Mirghani, Mohamed Elwathig Saeed Che Man, Yakoob Selamat, Jinap Baharin, B. S. Bakar, Jamilah T Technology (General) Fourier transform infrared (FTIR) spectra of palm oil samples between 2900 and 2800 cm–1 and 1800 and 1600 cm–1 were used to compare different multivariate calibration techniques for quantitative determination of their thiobarbituric acid-reactive substance (TBARS) content. Fifty spectra (in duplicate) of palm oil with TBARS values between 0 and 0.25 were used to calibrate models based on partial least squares (PLS) and principal components regression (PCR) analyses with different baselines. The methods were compared for the number of factors, coefficients of determination (R2), and accuracy of estimation. The standard errors of prediction (SEP) were calculated to compare their predictive ability. The calibrated models generated three to eight factors, R2 of 0.9414 to 0.9803, standard error of estimation (SEE) of 0.0063 to 0.0680, and SEP of 1.20 to 6.67. Springer Berlin 2001 Article REM application/pdf en http://irep.iium.edu.my/7868/1/Elwathig_%28Multivariate_TBA%29.pdf Mirghani, Mohamed Elwathig Saeed and Che Man, Yakoob and Selamat, Jinap and Baharin, B. S. and Bakar, Jamilah (2001) Multivarate calibration of fourier transform spectra in determining the malonaldehyde as a TBA reactive substance (TBARS) in palm olein. Journal Of The American Oil Chemists' Society, 78 (11). pp. 1127-1131. ISSN 0003-021X http://www.aocs.org/Journals/jaocs.cfm Paper no. J9876 in JAOCS 78, 1127–1131 (November 2001).
institution Universiti Islam Antarabangsa Malaysia
building IIUM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider International Islamic University Malaysia
content_source IIUM Repository (IREP)
url_provider http://irep.iium.edu.my/
language English
topic T Technology (General)
spellingShingle T Technology (General)
Mirghani, Mohamed Elwathig Saeed
Che Man, Yakoob
Selamat, Jinap
Baharin, B. S.
Bakar, Jamilah
Multivarate calibration of fourier transform spectra in determining the malonaldehyde as a TBA reactive substance (TBARS) in palm olein
description Fourier transform infrared (FTIR) spectra of palm oil samples between 2900 and 2800 cm–1 and 1800 and 1600 cm–1 were used to compare different multivariate calibration techniques for quantitative determination of their thiobarbituric acid-reactive substance (TBARS) content. Fifty spectra (in duplicate) of palm oil with TBARS values between 0 and 0.25 were used to calibrate models based on partial least squares (PLS) and principal components regression (PCR) analyses with different baselines. The methods were compared for the number of factors, coefficients of determination (R2), and accuracy of estimation. The standard errors of prediction (SEP) were calculated to compare their predictive ability. The calibrated models generated three to eight factors, R2 of 0.9414 to 0.9803, standard error of estimation (SEE) of 0.0063 to 0.0680, and SEP of 1.20 to 6.67.
format Article
author Mirghani, Mohamed Elwathig Saeed
Che Man, Yakoob
Selamat, Jinap
Baharin, B. S.
Bakar, Jamilah
author_facet Mirghani, Mohamed Elwathig Saeed
Che Man, Yakoob
Selamat, Jinap
Baharin, B. S.
Bakar, Jamilah
author_sort Mirghani, Mohamed Elwathig Saeed
title Multivarate calibration of fourier transform spectra in determining the malonaldehyde as a TBA reactive substance (TBARS) in palm olein
title_short Multivarate calibration of fourier transform spectra in determining the malonaldehyde as a TBA reactive substance (TBARS) in palm olein
title_full Multivarate calibration of fourier transform spectra in determining the malonaldehyde as a TBA reactive substance (TBARS) in palm olein
title_fullStr Multivarate calibration of fourier transform spectra in determining the malonaldehyde as a TBA reactive substance (TBARS) in palm olein
title_full_unstemmed Multivarate calibration of fourier transform spectra in determining the malonaldehyde as a TBA reactive substance (TBARS) in palm olein
title_sort multivarate calibration of fourier transform spectra in determining the malonaldehyde as a tba reactive substance (tbars) in palm olein
publisher Springer Berlin
publishDate 2001
url http://irep.iium.edu.my/7868/1/Elwathig_%28Multivariate_TBA%29.pdf
http://irep.iium.edu.my/7868/
http://www.aocs.org/Journals/jaocs.cfm
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score 13.251813

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