Journal : Acta Chromatographica
Article : A comparative study of the molecular lipophilicity indices of vitamins A and E, and of some precursors of vitamin A, estimated by HPLC and by different computation methods

Authors :
Dejaegher, B.
Vrije Universiteit Brussel — VUB Analytical Chemistry and Pharmaceutical Technology (FABI), Pharmaceutical Institute Laarbeeklaan 103 1090 Brussels Belgium,
Vander Heyden, Y.
Vrije Universiteit Brussel — VUB Analytical Chemistry and Pharmaceutical Technology (FABI), Pharmaceutical Institute Laarbeeklaan 103 1090 Brussels Belgium, yvanvdh@vub.ac.be,
Durón, R. R.
Universidad Autónoma de Nuevo León Departamento de Química Analítica, Facultad de Medicina P.O. Box 2316 Sucursal Tecnológico 64841 Monterrey Nuevo León México,
Almaguer, L. C.
Universidad Autónoma de Nuevo León Departamento de Química Analítica, Facultad de Medicina P.O. Box 2316 Sucursal Tecnológico 64841 Monterrey Nuevo León México,
Garza-Juárez, A.
Universidad Autónoma de Nuevo León Departamento de Química Analítica, Facultad de Medicina P.O. Box 2316 Sucursal Tecnológico 64841 Monterrey Nuevo León México,
Salazar Cavazos, M. L.
Universidad Autónoma de Nuevo León Departamento de Química Analítica, Facultad de Medicina P.O. Box 2316 Sucursal Tecnológico 64841 Monterrey Nuevo León México,
Waksman de Torres, N.
Universidad Autónoma de Nuevo León Departamento de Química Analítica, Facultad de Medicina P.O. Box 2316 Sucursal Tecnológico 64841 Monterrey Nuevo León México, nwaksman@fm.uanl.mx,
Garza-Juárez, A.
UANL, México Department of Analytical Chemistry, Facultad de Medicina Maderoy Aguirre Pequeño Col. Mitras Centro C.P. 64460 Mty, N.L. México,
Waksman de Torres, N.
UANL, México Department of Analytical Chemistry, Facultad de Medicina Maderoy Aguirre Pequeño Col. Mitras Centro C.P. 64460 Mty, N.L. México,
Salazar Cavazos, M. L.
UANL, México Department of Analytical Chemistry, Facultad de Medicina Maderoy Aguirre Pequeño Col. Mitras Centro C.P. 64460 Mty, N.L. México, masalaz52@yahoo.com,
Durón, R. R.
UANL, México Department of Analytical Chemistry, Facultad de Medicina Maderoy Aguirre Pequeño Col. Mitras Centro C.P. 64460 Mty, N.L. México,
Briciu, R. D.
Babeş-Bolyai University Faculty of Chemistry and Chemical Engineering Arany Janos Str. No 11 RO-400028 Cluj Napoca Romania,
Kot-Wasik, A.
Gdańsk University of Technology Chemical Faculty Narutowicza Str. No 11/12 80-952 Gdańsk Poland,
Namieśnik, J.
Gdańsk University of Technology Chemical Faculty Narutowicza Str. No 11/12 80-952 Gdańsk Poland,
Sârbu, C.
Babeş-Bolyai University Faculty of Chemistry and Chemical Engineering Arany Janos Str. No 11 RO-400028 Cluj Napoca Romania, costelsrb@yahoo.co.uk,
Abstract : Lipophilicity indices for vitamins A and E, and for some precursors of vitamin A, have been determined for the first time by reversed-phase high-performance liquid chromatography (RPHPLC) on C 18 and C 8 columns. For each column the mobile phases were methanol-water mixtures with methanol in volume proportions from 86 to 90% ( υ/υ ) in 1% steps. The regression correlation coefficients obtained for both stationary phases were excellent (usually >0.999). To compare the experimental lipophilicity estimated for the compounds by use of log k′ w , S , φ 0 , the means of k′ and log k′ , and the scores of k′ and log k′ corresponding to the first principal component, and log P values calculated by use of different computer software a correlation matrix was constructed. Better correlations were obtained in both cases between the mean of k′ and the mean of log k′ , and scores corresponding to the first principal component obtained by applying principal-components analysis to the matrix of retention factors and computed log P values. The best correlations were found between the mean of k′ and scores corresponding to the first principal component determined on C 8 and most of the computed log P values.

Keywords : vitamins, carotenoids, lipophilicity, lipophilicity indices, HPLC, PCA,
Publishing house : University of Silesia in Katowice
Publication date : 2009
Number : Vol. 21, no. 2
Page : 237 – 250

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DOI :
Qute : Dejaegher, B. ,Vander Heyden, Y. ,Durón, R. R. ,Almaguer, L. C. ,Garza-Juárez, A. ,Salazar Cavazos, M. L. ,Waksman de Torres, N. ,Garza-Juárez, A. ,Waksman de Torres, N. ,Salazar Cavazos, M. L. ,Durón, R. R. ,Briciu, R. D. ,Kot-Wasik, A. ,Namieśnik, J. ,Sârbu, C. ,Sârbu, C. , A comparative study of the molecular lipophilicity indices of vitamins A and E, and of some precursors of vitamin A, estimated by HPLC and by different computation methods. Acta Chromatographica Vol. 21, no. 2/2009
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