Spectroscopic Methods in the Evaluation of Modified Vegetable Base Oils from Crambe abyssinica

Autor:	Michał Szmatoła, Justyna Chrobak, Rafał Grabowski, Jolanta Iłowska, Julia Woch, Iwona Szwach, Izabela Semeniuk, Jolanta Drabik, Małgorzata Wrona, Rafał Kozdrach, Beata Orlińska, Mirosława Grymel
Jazyk:	angličtina
Rok vydání:	2018
Předmět:	vegetable oil Crambe abyssinica oil chemical modification oxidation N-hydroxyphthalimide Raman spectroscopy Organic chemistry QD241-441
Zdroj:	Molecules, Vol 23, Iss 12, p 3243 (2018)
Druh dokumentu:	article
ISSN:	1420-3049
DOI:	10.3390/molecules23123243
Popis:	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.
Databáze:	Directory of Open Access Journals
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