Determination and study on refractive indices and viscosities of aqueous solutions of citric acid, (citric acid plus glycerol), and (citric acid plus D-sorbitol) at T=293.15 K-323.15 K and atmospheric pressure

被引：8

作者：

Omran, Mina Miranzadeh ^{[1
]}

Kiani, Farhoush ^{[2
]}

Saraei, Azade Ghorbani-Hasan ^{[1
]}

Fardad Koohyar ^{[3
,4
]}

Rostami, Ali Mohammadzadeh ^{[1
]}

机构：

[1] Islamic Azad Univ, Dept Agr Food Sci Engn, Ayatollah Amoli Branch, Amol, Iran

[2] Islamic Azad Univ, Dept Chem, Ayatollah Amoli Branch, Fac Sci, Amol, Iran

[3] Ton Duc Thang Univ, Inst Computat Sci, Div Computat Phys, Ho Chi Minh City, Vietnam

[4] Ton Duc Thang Univ, Fac Appl Sci, Ho Chi Minh City, Vietnam

来源：

FOOD CHEMISTRY | 2019年 / 289卷

关键词：

Citric acid; D-sorbitol; Glycerol; Aqueous solution; Refractive index; Viscosity; Jones-Dole equation; ORGANIC-ACIDS; FERMENTATION; MIXTURES; SYSTEMS; WATER; FOOD;

D O I：

10.1016/j.foodchem.2019.03.075

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Citric acid, glycerol, and D-sorbitol are used as important food additives. In this research work, viscosities and refractive indices (the physico-chemical properties) for aqueous solution of citric acid, as well as ternary solutions of (water + D-sorbitol + citric acid) and (water + glycerol + citric acid) were measured in mass fractions of citric acid (0.03-0.21) and at temperatures (T = 293.15, 303.15, 313.15, and 323.15) K and atmospheric pressure. For these solutions, the experimental refractive indices were fitted using a semi-empirical equation which its constant, K-r, was introduced by Koohyar in 2011. This constant can be applied to investigate the power of interactions between solute and solvent molecules in aqueous solutions. Also, the experimental viscosities were fitted by the Jones-Dole and Arrhenius-like equations. Obtained data of this research work can be applied in food industries.

引用

页码：436 / 442

页数：7

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