Spectroscopic Evidence of Thermal Changes in Plant Oils during Deep-Frying—Chemical and Infrared Studies
Abstract
:1. Introduction
2. Results and Discussion
2.1. Chemical Properties
2.2. Heating–Time Dependence of the Iodine Values
2.3. Infrared Spectra Measurements
- The bands do not change their position and intensity during the periodical heating of the oils.
- The bands show an increase in their intensity with increasing heating-time of the oils.
- The bands show a decrease in their intensity with increasing heating time.
3. Materials and Methods
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Oils | SFA | MUFA | PUFA |
---|---|---|---|
Palm | 46.10 | 44.73 | 9.17 |
Coconut | 94.60 | 4.55 | 0.85 |
Rice bran | 16.62 | 45.54 | 37.84 |
Rapeseed | 8.91 | 63.08 | 28.07 |
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Dymińska, L.; Albegar, A.M.M.; Sąsiadek, W.; Kucharska, E.; Zając, A.; Hanuza, J. Spectroscopic Evidence of Thermal Changes in Plant Oils during Deep-Frying—Chemical and Infrared Studies. Plants 2022, 11, 1813. https://doi.org/10.3390/plants11141813
Dymińska L, Albegar AMM, Sąsiadek W, Kucharska E, Zając A, Hanuza J. Spectroscopic Evidence of Thermal Changes in Plant Oils during Deep-Frying—Chemical and Infrared Studies. Plants. 2022; 11(14):1813. https://doi.org/10.3390/plants11141813
Chicago/Turabian StyleDymińska, Lucyna, Abduladhim Moamer Moftah Albegar, Wojciech Sąsiadek, Edyta Kucharska, Adam Zając, and Jerzy Hanuza. 2022. "Spectroscopic Evidence of Thermal Changes in Plant Oils during Deep-Frying—Chemical and Infrared Studies" Plants 11, no. 14: 1813. https://doi.org/10.3390/plants11141813