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https://open.uns.ac.rs/handle/123456789/1744
Title: | Simultaneous dispersive liquid-liquid microextraction derivatisation and gas chromatography mass spectrometry analysis of subcritical water extracts of sweet and sour cherry stems | Authors: | Švarc-Gajić, Jaroslava Clavijo, Sabrina Suárez, Ruth Cvetanović, Aleksandra Cerdà, Víctor |
Issue Date: | Mar-2018 | Publisher: | Springer | Journal: | Analytical and Bioanalytical Chemistry | Abstract: | © 2018, Springer-Verlag GmbH Germany, part of Springer Nature. Cherry stems have been used in traditional medicine mostly for the treatment of urinary tract infections. Extraction with subcritical water, according to its selectivity, efficiency and other aspects, differs substantially from conventional extraction techniques. The complexity of plant subcritical water extracts is due to the ability of subcritical water to extract different chemical classes of different physico-chemical properties and polarities in a single run. In this paper, dispersive liquid-liquid microextraction (DLLME) with simultaneous derivatisation was optimised for the analysis of complex subcritical water extracts of cherry stems to allow simple and rapid preparation prior to gas chromatography-mass spectrometry (GC-MS). After defining optimal extracting and dispersive solvents, the optimised method was used for the identification of compounds belonging to different chemical classes in a single analytical run. The developed sample preparation protocol enabled simultaneous extraction and derivatisation, as well as convenient coupling with GC-MS analysis, reducing the analysis time and number of steps. The applied analytical protocol allowed simple and rapid chemical screening of subcritical water extracts and was used for the comparison of subcritical water extracts of sweet and sour cherry stems. [Figure not available: see fulltext.]. | URI: | https://open.uns.ac.rs/handle/123456789/1744 | ISSN: | 16182642 | DOI: | 10.1007/s00216-018-0858-4 |
Appears in Collections: | TF Publikacije/Publications |
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