Solution thermodynamics and taste behaviour of nicotinic acid in aqueous sodium gluconate solutions: A volumetric and rheological perspective

被引：15

作者：

Mishra, Dipu Kumar ^{[1
]}

Das, Ananya ^{[1
]}

Kamath, Amarjit ^{[1
]}

Sinha, Biswajit ^{[1
]}

机构：

[1] Univ North Bengal, Dept Chem, Darjeeling 734013, India

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2017年 / 230卷

关键词：

Partial molar volumes; Viscosity B-coefficients; Nicotinic acid; Sodium gluconate; Taste behaviour; SWEET TASTE; PYRIDOXINE HYDROCHLORIDE; CHLORIDE SOLUTIONS; MOLAR VOLUMES; 318.15; K; WATER; MECHANISMS; CHEMORECEPTION; VISCOSITY; HYDRATION;

D O I：

10.1016/j.molliq.2017.01.071

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Changes in hydration layer of a solute in presence of a cosolute are crucial in understanding structural organisation of water molecules around the solute. Thermodynamic and transport properties can provide valuable information in this regard. The effect of sodium gluconate (NaG) on the hydration behaviour and taste quality of nicotinic acid (NA) were studied through apparent molar volumes (phi v), partial molar volumes (phi(o)(v)) at infinite dilution, apparent specific volumes (phi(Asv)), viscosity B-coefficients and solvation numbers (S-n) in (0.00, 0.02, 0.04, and 0.06) mol kg(-1) aqueous sodium gluconate solutions at T = (298.15-318.15) K under atmospheric pressure. The results have been explored in terms of solute -solvent and solute-cosolute interactions occurring in the studied solutions. UV-Visible absorption spectra of the solutions also stand in support of the results obtained. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：662 / 666

页数：5

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