Natural products obtained by subcritical and supercritical fluid extraction from Achyrocline satureioides (Lam) DC using CO2

被引：16

作者：

Figueiro Vargas, Rubem Mario ^{[1
]}

Tavares Barroso, Maurean Salli ^{[1
]}

Neto, Roberto Goes ^{[1
]}

Scopel, Rodrigo ^{[1
]}

Falcao, Manuel Alves ^{[1
]}

da Silva, Caroline Finkler ^{[1
]}

Cassel, Eduardo ^{[1
]}

机构：

[1] Pontificia Univ Catolica Rio Grande do Sul, Fac Engn, BR-90619900 Porto Alegre, RS, Brazil

来源：

INDUSTRIAL CROPS AND PRODUCTS | 2013年 / 50卷

关键词：

Achyrocline satureioides; Mathematical modeling; Supercritical fluid extraction; ANTIBACTERIAL ACTIVITY; ANTIOXIDANT; OIL;

D O I：

10.1016/j.indcrop.2013.08.021

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The aim of this study is the application of supercritical and subcritical fluid extraction for obtaining natural products from Achyrocline satureioides with the purpose of using them in different industrial sectors. In order to evaluate the behavior of this technique in obtaining of extracts from aerial parts of A. satureioides, the experiments were conducted on four pressures (90, 100, 110 and 120 bar) at two temperatures (303.15 and 313.15 K) in a multipurpose pilot unit generating yielding curves for each experimental condition. The extracts were evaluated with respect to their antioxidant properties, aromatic potential and their antimicrobial properties. It was used as a mathematical model to correlate the extraction experimental data with the aim of developing tools to design of industrial scale. This mathematical model described very well the experimental data. Regarding the olfactometric assessment, the extracts showed aromatic potential, highlighting the sample extracted at 90 bar for the two temperatures here investigated. All extracts presented antioxidant properties and showed response against Escherichia colt. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：430 / 435

页数：6

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