Assessment of Lipophilicity Indices Derived from Retention Behavior of Antioxidant Compounds in RP-HPLC

Ioana-Anamaria Sima; Agata Kot-Wasik; Andrzej Wasik; Jacek Namieśnik; Costel Sarbu

doi:10.3390/molecules22040550

Assessment of Lipophilicity Indices Derived from Retention Behavior of Antioxidant Compounds in RP-HPLC

Abstract

Reverse phase high pressure liquid chromatography was employed in order to evaluate the lipophilicity of antioxidant compounds from different classes, such as phenolic acids, flavanones, flavanols, flavones, anthocyanins, stilbenes, xantonoids, and proanthocyanidins. The retention time of each compound was measured using five different HPLC columns: RP18 (LiChroCART, Purosphere RP-18e), C8 (Zorbax, Eclipse XDBC8), C16-Amide (Discovery RP-Amide C16), CN100 (Saulentechnik, Lichrosphere), and pentafluorophenyl (Phenomenex, Kinetex PFP), and the mobile phase consisted of methanol and water (0.1% formic acid) in different proportions. The measurements were conducted at two different column temperatures, room temperature (22 °C) and, in order to mimic the environment from the human body, 37 °C. Furthermore, principal component analysis (PCA) was used to obtain new lipophilicity indices and holistic lipophilicity charts. Additionally, highly representative depictions of the chromatographic behavior of the investigated compounds and stationary phases at different temperatures were obtained using two new chemometric approaches, namely two-way joining cluster analysis and sum of ranking differences.

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Authors (5)

Ioana-Anamaria Sima
- Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University,
Agata Kot-Wasik prof. dr hab. inż.
Andrzej Wasik prof. dr hab. inż.
Jacek Namieśnik prof. dr hab. inż.
Costel Sarbu
- Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University

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Articles

Type:

artykuł w czasopiśmie wyróżnionym w JCR

Published in:

MOLECULES no. 22, pages 1 - 9,
ISSN: 1420-3049

Language:

English

Publication year:

2017

Bibliographic description:

Sima I., Kot-Wasik A., Wasik A., Namieśnik J., Sarbu C.: Assessment of Lipophilicity Indices Derived from Retention Behavior of Antioxidant Compounds in RP-HPLC// MOLECULES. -Vol. 22, nr. 4 (2017), s.1-9

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