Modeling the Solubility of Phenolic Acids in Aqueous Media at 37 °C

In this work, the solubility of vanillic, gallic, syringic, <i>p</i>-coumaric, ferulic and caffeic acids was determined at 37 °C under different conditions, namely pure water and two different ionic media, NaCl(aq) and NaClO<sub>4</sub>(aq), at different ionic strengths (i.e....

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Autores principales:	Emilia Furia, Amerigo Beneduci, Luana Malacaria, Alessia Fazio, Chiara La Torre, Pierluigi Plastina
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	solubility phenolic acids activity coefficients salting out constant ionic medium Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/0fd681f4b9684b5ab61d6ff692db78c0
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id	oai:doaj.org-article:0fd681f4b9684b5ab61d6ff692db78c0
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spelling	oai:doaj.org-article:0fd681f4b9684b5ab61d6ff692db78c02021-11-11T18:30:00ZModeling the Solubility of Phenolic Acids in Aqueous Media at 37 °C10.3390/molecules262165001420-3049https://doaj.org/article/0fd681f4b9684b5ab61d6ff692db78c02021-10-01T00:00:00Zhttps://www.mdpi.com/1420-3049/26/21/6500https://doaj.org/toc/1420-3049In this work, the solubility of vanillic, gallic, syringic, <i>p</i>-coumaric, ferulic and caffeic acids was determined at 37 °C under different conditions, namely pure water and two different ionic media, NaCl(aq) and NaClO<sub>4</sub>(aq), at different ionic strengths (i.e., 0.16, 0.50, 1.0, 2.0 and 3.0 M). The solubility in water of all the acids was found to be higher than that in both of the ionic media. Moreover, the solubility of hydroxycinnamic acids was lower than that of hydroxybenzoic acids. The activity coefficients of neutral species were calculated from these data; this knowledge is necessary when modeling the dependence of equilibrium constants on the ionic strength. Results obtained in this work can be useful for further studies regarding complex formation equilibria between these ligands and bioavailable metal cations.Emilia FuriaAmerigo BeneduciLuana MalacariaAlessia FazioChiara La TorrePierluigi PlastinaMDPI AGarticlesolubilityphenolic acidsactivity coefficientssalting out constantionic mediumOrganic chemistryQD241-441ENMolecules, Vol 26, Iss 6500, p 6500 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	solubility phenolic acids activity coefficients salting out constant ionic medium Organic chemistry QD241-441
spellingShingle	solubility phenolic acids activity coefficients salting out constant ionic medium Organic chemistry QD241-441 Emilia Furia Amerigo Beneduci Luana Malacaria Alessia Fazio Chiara La Torre Pierluigi Plastina Modeling the Solubility of Phenolic Acids in Aqueous Media at 37 °C
description	In this work, the solubility of vanillic, gallic, syringic, <i>p</i>-coumaric, ferulic and caffeic acids was determined at 37 °C under different conditions, namely pure water and two different ionic media, NaCl(aq) and NaClO<sub>4</sub>(aq), at different ionic strengths (i.e., 0.16, 0.50, 1.0, 2.0 and 3.0 M). The solubility in water of all the acids was found to be higher than that in both of the ionic media. Moreover, the solubility of hydroxycinnamic acids was lower than that of hydroxybenzoic acids. The activity coefficients of neutral species were calculated from these data; this knowledge is necessary when modeling the dependence of equilibrium constants on the ionic strength. Results obtained in this work can be useful for further studies regarding complex formation equilibria between these ligands and bioavailable metal cations.
format	article
author	Emilia Furia Amerigo Beneduci Luana Malacaria Alessia Fazio Chiara La Torre Pierluigi Plastina
author_facet	Emilia Furia Amerigo Beneduci Luana Malacaria Alessia Fazio Chiara La Torre Pierluigi Plastina
author_sort	Emilia Furia
title	Modeling the Solubility of Phenolic Acids in Aqueous Media at 37 °C
title_short	Modeling the Solubility of Phenolic Acids in Aqueous Media at 37 °C
title_full	Modeling the Solubility of Phenolic Acids in Aqueous Media at 37 °C
title_fullStr	Modeling the Solubility of Phenolic Acids in Aqueous Media at 37 °C
title_full_unstemmed	Modeling the Solubility of Phenolic Acids in Aqueous Media at 37 °C
title_sort	modeling the solubility of phenolic acids in aqueous media at 37 °c
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/0fd681f4b9684b5ab61d6ff692db78c0
work_keys_str_mv	AT emiliafuria modelingthesolubilityofphenolicacidsinaqueousmediaat37c AT amerigobeneduci modelingthesolubilityofphenolicacidsinaqueousmediaat37c AT luanamalacaria modelingthesolubilityofphenolicacidsinaqueousmediaat37c AT alessiafazio modelingthesolubilityofphenolicacidsinaqueousmediaat37c AT chiaralatorre modelingthesolubilityofphenolicacidsinaqueousmediaat37c AT pierluigiplastina modelingthesolubilityofphenolicacidsinaqueousmediaat37c
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Modeling the Solubility of Phenolic Acids in Aqueous Media at 37 °C

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