Extraction yield and kinetic study of Lippia graveolens with supercritical CO2

被引：16
|
作者：
Catalina Soto-Armenta, Laura [1 ]
Sacramento-Rivero, Julio C. [1 ]
Araceli Ruiz-Mercado, Claudia [1 ]
Carolina Lope-Navarrete, Mariela [1 ]
Antonio Rocha-Uribe, Jose [2 ]
机构：
[1] Univ Autonoma Yucatan, Fac Ingn Quim, Periferico Norte Km 33-5, Merida 97203, Yucatan, Mexico
[2] Univ Tecnol Selva CS, Km 118, Chiapas 29950, Mexico
来源：
JOURNAL OF SUPERCRITICAL FLUIDS | 2019年 / 145卷
关键词：
Essential oil; Lippia graveolens; Yield; Supercritical extraction with CO2; Carvacrol; Thymol; FLUID EXTRACTION; ESSENTIAL OIL; CHEMICAL-COMPOSITION; VOLATILE COMPOUNDS; OREGANO; LEAVES;
D O I：
10.1016/j.supflu.2018.12.018
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：
In this study, leave extracts of Lippia graveolens were obtained using supercritical CO2. The objective was to evaluate the effect of temperature and pressure on the extraction yield and kinetics. Supercritical fluid extractions were performed at three pressures (13, 15 and 35 MPa) and two temperatures (40 and 60 degrees C). Sovova's model for supercritical fluid extraction was fitted to describe the kinetic extraction curves and analyze the results. The extracts were analyzed by GC-MS, where Carvacrol was the majority compound in all the experiments. A maximum yield of 2.6% on a dry weight basis was obtained at 35 MPa and 60 degrees C. The extraction yield increased with temperature and pressure, in all the analyzed samples.
引用
收藏
页码：205 / 210
页数：6
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