Fourier transform infrared (FTIR) spectroscopy for analysis of extra virgin olive oil adulterated with palm oil.
Fourier transform infrared (FTIR) spectroscopy has been developed for analysis of extra virgin olive oil (EVOO) adulterated with palm oil (PO). Measurements were made on pure EVOO and that adulterated with varying concentrations of PO (1.0–50.0% wt./wt. in EVOO). Two multivariate calibrations, namel...
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| Format: | Article |
| Language: | English English |
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Elsevier
2010
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| Online Access: | http://psasir.upm.edu.my/id/eprint/14810/ http://psasir.upm.edu.my/id/eprint/14810/1/Fourier%20transform%20infrared.pdf |
| _version_ | 1848842499762683904 |
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| author | Rohman, A. Che Man, Yaakob |
| author_facet | Rohman, A. Che Man, Yaakob |
| author_sort | Rohman, A. |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | Fourier transform infrared (FTIR) spectroscopy has been developed for analysis of extra virgin olive oil (EVOO) adulterated with palm oil (PO). Measurements were made on pure EVOO and that adulterated with varying concentrations of PO (1.0–50.0% wt./wt. in EVOO). Two multivariate calibrations, namely partial least square (PLS) and principle component regression (PCR) were optimized for constructing the calibration models, either for normal spectra or its first and second derivatives. The discriminant analysis (DA) was used for classification analysis between EVOO and that adulterated with PO and the other vegetable oils (palm oil, corn oil, canola oil, and sunflower oil). Frequencies at fingerprint region, especially at 1500–1000 cm−1, were exploited for both quantification and classification. Either PLS or PCR at first derivative spectra revealed the best calibration models for predicting the concentration of adulterated EVOO samples, with coefficient of determination (R2) of 0.999 and root mean standard error of cross validation (RMSECV) of 0.285 and 0.373, respectively. DA was able to classify pure and adulterated samples on the basis of their FTIR spectra with no misclassified group obtained. In addition, DA was also effective enough to classify EVOO samples as the distinct group from the evaluated other vegetable oils. |
| first_indexed | 2025-11-15T08:00:07Z |
| format | Article |
| id | upm-14810 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English English |
| last_indexed | 2025-11-15T08:00:07Z |
| publishDate | 2010 |
| publisher | Elsevier |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-148102015-11-02T04:09:04Z http://psasir.upm.edu.my/id/eprint/14810/ Fourier transform infrared (FTIR) spectroscopy for analysis of extra virgin olive oil adulterated with palm oil. Rohman, A. Che Man, Yaakob Fourier transform infrared (FTIR) spectroscopy has been developed for analysis of extra virgin olive oil (EVOO) adulterated with palm oil (PO). Measurements were made on pure EVOO and that adulterated with varying concentrations of PO (1.0–50.0% wt./wt. in EVOO). Two multivariate calibrations, namely partial least square (PLS) and principle component regression (PCR) were optimized for constructing the calibration models, either for normal spectra or its first and second derivatives. The discriminant analysis (DA) was used for classification analysis between EVOO and that adulterated with PO and the other vegetable oils (palm oil, corn oil, canola oil, and sunflower oil). Frequencies at fingerprint region, especially at 1500–1000 cm−1, were exploited for both quantification and classification. Either PLS or PCR at first derivative spectra revealed the best calibration models for predicting the concentration of adulterated EVOO samples, with coefficient of determination (R2) of 0.999 and root mean standard error of cross validation (RMSECV) of 0.285 and 0.373, respectively. DA was able to classify pure and adulterated samples on the basis of their FTIR spectra with no misclassified group obtained. In addition, DA was also effective enough to classify EVOO samples as the distinct group from the evaluated other vegetable oils. Elsevier 2010 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/14810/1/Fourier%20transform%20infrared.pdf Rohman, A. and Che Man, Yaakob (2010) Fourier transform infrared (FTIR) spectroscopy for analysis of extra virgin olive oil adulterated with palm oil. Food Research International, 43 (3). pp. 886-892. ISSN 0963-9969 http://dx.doi.org/10.1016/j.foodres.2009.12.006 English |
| spellingShingle | Rohman, A. Che Man, Yaakob Fourier transform infrared (FTIR) spectroscopy for analysis of extra virgin olive oil adulterated with palm oil. |
| title | Fourier transform infrared (FTIR) spectroscopy for analysis of extra virgin olive oil adulterated with palm oil. |
| title_full | Fourier transform infrared (FTIR) spectroscopy for analysis of extra virgin olive oil adulterated with palm oil. |
| title_fullStr | Fourier transform infrared (FTIR) spectroscopy for analysis of extra virgin olive oil adulterated with palm oil. |
| title_full_unstemmed | Fourier transform infrared (FTIR) spectroscopy for analysis of extra virgin olive oil adulterated with palm oil. |
| title_short | Fourier transform infrared (FTIR) spectroscopy for analysis of extra virgin olive oil adulterated with palm oil. |
| title_sort | fourier transform infrared (ftir) spectroscopy for analysis of extra virgin olive oil adulterated with palm oil. |
| url | http://psasir.upm.edu.my/id/eprint/14810/ http://psasir.upm.edu.my/id/eprint/14810/ http://psasir.upm.edu.my/id/eprint/14810/1/Fourier%20transform%20infrared.pdf |