Extraction of rice bran oil by supercritical carbon dioxide and solubility consideration

被引：77
|
作者：
Tomita, Karin [1 ,2 ]
Machmudah, Siti [2 ,3 ]
Wahyudiono [2 ]
Fukuzato, Ryuichi [4 ]
Kanda, Hideki [2 ]
Quitain, Armando T. [1 ]
Sasaki, Mitsuru [1 ]
Goto, Motonobu [2 ]
机构：
[1] Kumamoto Univ, Dept Appl Chem & Biochem, Kumamoto 8608555, Japan
[2] Nagoya Univ, Dept Chem Engn, Nagoya, Aichi 4648603, Japan
[3] Sepuluh Nopember Inst Technol, Dept Chem Engn, Surabaya 60111, Indonesia
[4] SCF Techno Link, Ashiya 6590033, Japan
来源：
SEPARATION AND PURIFICATION TECHNOLOGY | 2014年 / 125卷
关键词：
Rice bran oil; Supercritical carbon dioxide; gamma-Oryzanol; Thermodynamic model; Kinetic desorption model; CO2; EXTRACTION; GAMMA-ORYZANOL; SEED OIL; COMPONENTS; MODELS; RATES; WATER;
D O I：
10.1016/j.seppur.2014.02.008
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Among vegetable oils, rice bran oil has been considered to be one of the most valuable and healthy oil because it contains many nutraceutical components. In this work, extraction of oil and gamma-oryzanol from crushed rice bran using supercritical carbon dioxide at various CO2 flow rate (1-9 ml/min), temperatures (40-80 degrees C) and pressures (20-40 MPa) was investigated. The experimental extraction behavior was explained using two simple models of thermodynamic model and simple kinetic model. In addition, solubility data of rice bran oil in SCCO2 showed a good agreement with the values of the correlation of Chrastil model. The effect of extraction temperature and pressure on the gamma-oryzanol recovery was studied. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：319 / 325
页数：7
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