Measurement and modeling of supercritical fluid extraction curves of Eichhornia crassipes for enhanced stigmasterol production: Mechanistic insights of the process
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- 作者：M.M.R. de Meloa ; P.F. Martinsa ; A.J.D. Silvestrea ; Pedro Sarmentob ; C.M. Silvaa ; carlos.manuel@ua.pt" class="auth_mail" title="E-mail the corresponding author
- 关键词：Broken plus intact cells model ; Eichhornia crassipes ; Kinetics ; Modeling ; Selectivity ; Stigmasterol ; Supercritical fluid extraction
- 刊名：Separation and Purification Technology
- 出版年：2016
- 出版时间：11 May 2016
- 年：2016
- 卷：163
- 期：Complete
- 页码：189-198
- 全文大小：1146 K
文摘
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SFE curves of bulk extract and stigmasterol, from stalks and leaves of Eichhornia crassipes.
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Experimental conditions tested: 200–300 bar, 0.0–5.0 wt.% ethanol, 5.0–10.0 g min−1.
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Experimental data evidence a selectivity advantage favorable to stigmasterol.
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Modeling disclosed that intraparticle diffusion is the governing resistance to mass transfer.
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Broken plus intact cells model evidence that selectivity to stigmasterol is driven by kinetics.