SFE kinetics of bioactive compounds from Helianthus annuus L.

被引：8

作者：

Casas, Lourdes ^{[1
]}

Mantell, Casimiro ^{[1
]}

Rodriguez, Miguel ^{[1
]}

Torres, Ascension ^{[2
]}

Macias, Francisco A. ^{[2
]}

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

机构：

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

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

来源：

JOURNAL OF SEPARATION SCIENCE | 2009年 / 32卷 / 09期

关键词：

Bioactive compounds; Pilot plant; Sunflower; Supercritical carbon dioxide; SUPERCRITICAL-FLUID EXTRACTION; CARBON-DIOXIDE; HIGH-PRESSURE; METHANOL;

D O I：

10.1002/jssc.200800663

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The kinetics of the supercritical fluid extraction of bioactive compounds from sunflower using CO(2) as solvent were studied in order to establish an efficient method for this extraction. The influence of time of extraction at different solvent flow rates was investigated. The extraction pressure and temperature were optimized in previous studies and these values used were 400 bar and 50 degrees C. The extraction yields and the bioactivity levels of the extracts were also analysed. The results indicate that the most appropriate extraction time is between 120 and 180 min depending on the solvent flow and the pretreatment of the sample. The dried sample extracted at 40 g/min, the congealed sample extracted at the same flow and 180 min, and the dried sample extracted at 25 g/min for 120 min showed the best activity profiles. The extractions were carried out in a pilot plant with an extraction vessel with a capacity of 2 L.

引用

页码：1445 / 1453

页数：9

共 11 条

[1]

CASAS CL, CHEM ENG J IN PRESS

[2] Supercritical fluid extraction of bioactive compounds from sunflower leaves with carbon dioxide and water on a pilot plant scale [J].

Casas, L. ;

Mantell, C. ;

Rodriguez, M. ;

Torres, A. ;

Macias, F. A. ;

Martinez de la Ossa, E. J. .

JOURNAL OF SUPERCRITICAL FLUIDS, 2008, 45 (01) :37-42

[3] Effect of the addition of cosolvent on the supercritical fluid extraction of bioactive compounds from Helianthus annuus L. [J].

Casas, L. ;

Mantell, C. ;

Rodriguez, M. ;

Torres, A. ;

Macias, F. A. ;

de la Ossa, E. Martinez .

JOURNAL OF SUPERCRITICAL FLUIDS, 2007, 41 (01) :43-49

[4] Effect of the pre-treatment of the samples on the natural substances extraction from Helianthus annuus L. using supercritical carbon dioxide [J].

Casas, L ;

Mantell, C ;

Rodríguez, M ;

Gordillo, MD ;

Torres, A ;

Macías, FA ;

de la Ossa, EM .

TALANTA, 2005, 67 (01) :175-181

[5] Supercritical fluid extraction in herbal and natural product studies - a practical review [J].

Lang, QY ;

Wai, CM .

TALANTA, 2001, 53 (04) :771-782

[6] Bioactive flavonoids from Helianthus annuus cultivars [J].

Macias, FA ;

Molinillo, JMG ;

Torres, A ;

Varela, RM ;

Castellano, D .

PHYTOCHEMISTRY, 1997, 45 (04) :683-687

[7] Estimation of the diffusion coefficient of a model food dye (malvidin 3,5-diglucoside) in a high pressure CO2 plus methanol system [J].

Mantell, C ;

Rodríguez, M ;

de la Ossa, EM .

JOURNAL OF SUPERCRITICAL FLUIDS, 2004, 29 (1-2) :165-173

[8] Kinetics and mathematical modeling of anthocyanin extraction with carbon dioxide and methanol at high pressure [J].

Mantell, C ;

Rodríguez, M ;

de la Ossa, EM .

SEPARATION SCIENCE AND TECHNOLOGY, 2003, 38 (15) :3689-3712

[9] Supercritical fluid extraction from fennel (Foeniculum vulgare):: global yield, composition and kinetic data [J].

Moura, LS ;

Carvalho, RN ;

Stefanini, MB ;

Ming, LC ;

Meireles, MAA .

JOURNAL OF SUPERCRITICAL FLUIDS, 2005, 35 (03) :212-219

[10]

Poling B.E., 1987, PROPERTIES GASES LIQ, V5th

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