Spectroscopic Methods in the Evaluation of Modified Vegetable Base Oils from Crambe abyssinica
by
Michał Szmatoła 1,*
, Justyna Chrobak 1, Rafał Grabowski 1, Jolanta Iłowska 1, Julia Woch 1, Iwona Szwach 1, Izabela Semeniuk 1, Jolanta Drabik 2, Małgorzata Wrona 2, Rafał Kozdrach 2, Beata Orlińska 3 and Mirosława Grymel 4,5
Michał Szmatoła 1,*, Justyna Chrobak 1, Rafał Grabowski 1, Jolanta Iłowska 1, Julia Woch 1, Iwona Szwach 1, Izabela Semeniuk 1, Jolanta Drabik 2, Małgorzata Wrona 2, Rafał Kozdrach 2, Beata Orlińska 3 and Mirosława Grymel 4,5
1
Institute of Heavy Organic Synthesis “Blachownia”, Energetykow 9, 47-225 Kedzierzyn-Kozle, Poland
2
The Institute for Sustainable Technologies–National Research Institute, Kazimierza Pulaskiego 6/10, 26-600 Radom, Poland
3
Department of Organic Chemical Technology and Petrochemistry, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, Poland
4
Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, Poland
5
Biotechnology Center of Silesian University of Technology, B. Krzywoustego 8, 44-100 Gliwice, Poland
*
Author to whom correspondence should be addressed.
Molecules 2018, 23(12), 3243; https://doi.org/10.3390/molecules23123243
Received: 22 November 2018 / Revised: 4 December 2018 / Accepted: 5 December 2018 / Published: 7 December 2018
(This article belongs to the Section Analytical Chemistry)
Raw vegetable oil from Crambe abyssinica was subjected to oxidative treatment to enhance its viscosity. The oxidation processes were carried out in the presence of N-hydroxyphthalimide with or without supercritical CO2 as a solvent. Four spectroscopic techniques (Raman, UV-VIS, FT-IR, NMR) were applied to assess the chemical changes taking place during the oxidation. Raman and NMR spectroscopy proved best in the assessment of the chemical transformations leading to increased viscosity of the modified vegetable oil.
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Keywords:
vegetable oil; Crambe abyssinica oil; chemical modification; oxidation; N-hydroxyphthalimide; Raman spectroscopy
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
MDPI and ACS Style
Szmatoła, M.; Chrobak, J.; Grabowski, R.; Iłowska, J.; Woch, J.; Szwach, I.; Semeniuk, I.; Drabik, J.; Wrona, M.; Kozdrach, R.; Orlińska, B.; Grymel, M. Spectroscopic Methods in the Evaluation of Modified Vegetable Base Oils from Crambe abyssinica. Molecules 2018, 23, 3243.
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