Supercritical fluid extraction of bioactive compounds from sunflower leaves with carbon dioxide and water on a pilot plant scale

被引：35

作者：

Casas, L. ^{[1
]}

Mantell, C. ^{[1
]}

Rodriguez, M. ^{[1
]}

Torres, A. ^{[2
]}

Macias, F. A. ^{[2
]}

Martinez de la Ossa, E. J. ^{[1
]}

机构：

[1] Univ Cadiz, Dept Chem Engn Food Technol & Environm Technol, Fac Sci, Cadiz 11510, Spain

[2] Univ Cadiz, Dept Organ Chem, Fac Sci, Cadiz 11510, Spain

来源：

JOURNAL OF SUPERCRITICAL FLUIDS | 2008年 / 45卷 / 01期

关键词：

sunflower; supercritical carbon dioxide; extraction; bioactive compounds;

D O I：

10.1016/j.supflu.2007.12.002

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：

An analysis of the supercritical fluid extraction process on Helianthus annuus L (sunflower) using carbon dioxide and water on a pilot plant scale has been carried out. The possibility of using the resulting extract as an herbicide was analyzed by bioassays. The influence of time for different solvent flow rates was investigated. The extraction pressure and temperature were optimized in previous studies and a pressure of 380 bar and a temperature of 50 degrees C were selected. The bioactivities and extraction yields obtained under the different conditions were compared. The best activity profiles were obtained for 40 g/min CO2 + 1 g/min H2O and 80 g/min CO2 + 2 g/min H2O. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：37 / 42

页数：6

共 5 条

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