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:: Volume 4, Issue 64 And S11 (1-2018) ::
JMP 2018, 4(64 And S11): 1-11 Back to browse issues page
Supercritical Carbon Dioxide; an Efficient Solvent for Herbal Extraction
M Dashtianeh 1, AR Vatanara 2, Sh Rezazadeh 3
1- (M.Sc.) School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
2- (Ph.D.) Tehran University of Medical Sciences, Pharmaceutics Department, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
3- (Ph.D.) Institute of Medicinal Plants, ACECR
Abstract:   (647 Views)
Supercritical fluid extraction (SFE) is an alternative to liquid extraction using solvents. Supercritical fluids can have solvating powers similar to organic solvents, but with higher diffusivities, lower viscosity, and lower surface tension. Carbon dioxide is the most commonly used supercritical fluid owing to its nontoxic, nonflammable, inexpensive, environmental friendly properties and mild critical conditions (Tc = 31.1 ̊ C and Pc = 73.8 bar). Due to the low heat of process and the relatively unreactive solvent used in the extraction, the fragrant compounds derived often closely resemble the original characteristics of the raw material. Like solvent extraction, extracts a wide range of compounds and leaves the aromatics unaltered by heat, rendering an essence more faithful to the original. In this review, some aspects of this etraction methods have been discussed.
Keywords: Supercritical etraction, Carbon dioxide, Herbal, Essential oils
Full-Text [PDF 396 kb]   (205 Downloads)    
Type of Study: Research | Subject: Medicinal Plants
Received: 2017/12/30 | Accepted: 2017/12/30 | Published: 2017/12/30
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Dashtianeh M, Vatanara A, Rezazadeh S. Supercritical Carbon Dioxide; an Efficient Solvent for Herbal Extraction. JMP. 2018; 4 (64) :1-11
URL: http://jmp.ir/article-1-1969-en.html

Volume 4, Issue 64 And S11 (1-2018) Back to browse issues page
فصلنامه علمی پژوهشی گیاهان دارویی Journal of Medicinal Plants
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