Modeling for extraction of isoflavones from stem of Pueraria lobata (Willd.) Ohwi using n-butanol/water two-phase solvent system

被引：19
作者：
Xu, Hua-Neng [1 ]
Huang, Wei-Ning [1 ]
He, Chao-Hong [2 ]
机构：
[1] Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, Wuxi 214122, Peoples R China
[2] Zhejiang Univ, Dept Chem Engn, Hangzhou 310027, Peoples R China
来源：
SEPARATION AND PURIFICATION TECHNOLOGY | 2008年 / 62卷 / 03期
基金：
中国国家自然科学基金;
关键词：
extraction; isoflavone; Pueraria lobata (Willd.) Ohwi; n-butanol/water; modeling;
D O I：
10.1016/j.seppur.2008.03.023
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Extraction of isoflavones from stem of Pueraria lobata (Willd.) Ohwi was studied using n-butanol/water two-phase solvent system as solvents. The influence of solvent composition and temperature on the extraction kinetics was investigated. It was found that 1:1 (v/v) n-butanol/water results in the maximum yield of total-isoflavones. The higher the temperature, the higher the yield of total-isoflavones and the extraction rate. A mathematical model was proposed and solved to describe the extraction process. It was found that the calculation results are in good agreement with the experimental data. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：590 / 595
页数：6
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