Mathematical Modeling of Essential Oil Extraction by Steam Distillation for Native Plants from Southern Brazil

被引：9

作者：

Vargas, Rubem M. F. ^{[1
]}

Lucas, Aline M. ^{[1
]}

Barroso, Maurean S. T. ^{[1
]}

Dutra, Debora V. ^{[1
]}

Becker, Marilia V. ^{[1
]}

Mondin, Claudio A. ^{[1
]}

Cassel, Eduardo ^{[1
]}

机构：

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

来源：

JOURNAL OF ESSENTIAL OIL BEARING PLANTS | 2012年 / 15卷 / 05期

关键词：

Steam distillation; mathematical modeling; mass transfer; essential oil; desorption model; SUPERCRITICAL-FLUID EXTRACTION; FRACTIONATION; DESORPTION;

D O I：

10.1080/0972060X.2012.10644129

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

In this study, a desorption model to predict the essential oil extraction curves and global yield versus time was performed for extraction by steam distillation of three native plants of southern Brazil (Schinus molle L., Drimys angustifolia Miers., and Calyptranthes grandifolia O. Berg). The model assumed that the extractable materials were initially available uniformly in the vegetal matrix and adsorbed on the internal microstructures. The volatile extracts were obtained by steam distillation and the chemical composition was determined. The essential oil yields (w/w) were 0.4 %, 0.3 %, and 0.2 %, respectively, for S. molle, D. angustifolia, and C. grandifolia, and the major compounds identified by CG-MS were alpha-pinene, sabinene, bicyclogermacrene and spathulenol for all the plants here investigated. The desorption model fitted very well the overall extraction curves.

引用

页码：839 / 846

页数：8

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