Solubility determination and preferential solvation of lutein in four green binary solvents from 278.15 K to 323.15 K

被引：4

作者：

Sun, Ningning ^{[1
]}

Bao, Shuqin ^{[1
]}

Yang, Wenge ^{[1
]}

Hu, Yonghong ^{[2
]}

机构：

[1] Nanjing Tech Univ, Coll Biotechnol & Pharmaceut Engn, 30, South Puzhu Rd, Nanjing 211816, Peoples R China

[2] Nanjing Tech Univ, Coll Food Sci & Light Ind, 30, South Puzhu Rd, Nanjing 211816, Peoples R China

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2022年 / 368卷

关键词：

Lutein; Solubility; KAT-LSER model; Green organic solvents; Co; -solvency; PURE SOLVENTS; METHANOL; ETHANOL; MODEL;

D O I：

10.1016/j.molliq.2022.120752

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：

This work reported solid-liquid balance data of lutein in four green and low-toxic binary solvents from 278.15 to 323.15 K. The experimental data have been verified by four semi-empirical models, the max-imum RMSD is not more than 4.17E-04, and the data has excellent correlation with Jouyban-Acree model and Sun model. Contemporaneously, the maximum solubility of lutein in this work is related to pure methanol. At 323.15 K, the solubility of lutein in methanol can reach 2.10E-04. In addition, due to the sharp change in the tendency of lutein dissolution in the mixture (methanol + water), the system can also be used as an ideal solvent for purifying lutein. After analysis of KAT-LSER model, the polarity of the solvent can promote the dissolution of lutein, the proportion of the total solvent effect of this item is 33.47 %.(c) 2022 Elsevier B.V. All rights reserved.

引用

页数：10

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