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A comparative study of ATR-FTIR, UV–visible and fluorescence spectroscopy combined with chemometrics for quantification of squalene in extra virgin olive oils

Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy · Kasım 2020

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YÖKSİS Kayıtları
A comparative study of ATR-FTIR, UV–visible and fluorescence spectroscopy combined with chemometrics for quantification of squalene in extra virgin olive oils
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy · 2020 SCI-Expanded
DOÇENT İSMAİL TARHAN →

Makale Bilgileri

DergiSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Yayın TarihiKasım 2020
Cilt / Sayfa241
DOI10.1016/j.saa.2020.118714
Scopus ID2-s2.0-85088310279
Özet Attenuated total reflectance-Fourier transform infrared (ATR-FTIR), ultraviolet–visible (UV–Vis), and fluorescence (FL) spectroscopic techniques, combined with partial least-square (PLS) regression with various spectral derivatization methods were tested for the quantitative determination of squalene content of extra virgin olive oils (EVOOs). A set of 90 calibration standards covering a wide range of squalene (3.25–12.54 mg/kg) was used to build up the calibration models. The root mean square error of calibration (RMSEC), the root mean square error of cross-validation (RMSECV), and the root mean square error of prediction (RMSEP) were calculated for evaluation of 18 different calibration models. 50 different brands of EVOOs, which are also analyzed in terms of quality indexes, fatty acid composition, and squalene concentration (3.25–12.54 g/kg) were used for checking the predictive capacities of the calibration models. The best predictions were achieved using normal spectra in FL spectroscopy with the lowest RMSEC of 0.1065, RMSEV of 0.1310, and RMSEP of 0.1500 in the spectral region 250–730 nm. Thus, FL spectroscopy combined with PLS regression is proposed as a fast, accurate, and environmentally friendly approach that can be efficiently used in determining squalene in EVOOs.

Yazarlar (1)

1
İsmail Tarhan
ORCID: 0000-0003-3353-8635

Anahtar Kelimeler

FTIR Olive oil PLS model Squalene Synchronous fluorescence UV–visible

Kurumlar

Selçuk Üniversitesi
Selçuklu Turkey

Metrikler

16
Atıf
1
Yazar
6
Anahtar Kelime

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İSMAİL TARHAN
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