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Separation of rosmarinic acid by facilitated pertraction

Paper ID Volume ID Publish Year Pages File Format Full-Text
18957 43037 2015 8 PDF Available
Title
Separation of rosmarinic acid by facilitated pertraction
Abstract

•First report on the separation of rosmarinic acid by facilitated pertraction.•Influences of pH-gradient, carrier concentration, and mixing intensity were studied.•Effect of 1-octanol addition was described by the amplification factors.

Rosmarinic acid has been separated by facilitated pertraction with D2EHPA dissolved in dichloromethane. The pertraction has been carried out in presence of 1-octanol, added into the liquid membrane. The addition of the alcohol led to the increase for more than twice the rosmarinic acid initial and final mass flows, this effect being directly related to the process variables (pH-gradient between the aqueous phases, carrier and alcohol concentrations inside the membrane phase, mixing intensity). But, the influence of 1-octanol on the transport capacity of the pertraction system was negative, its addition inducing the accumulation of rosmarinic into the liquid membrane. Due to this effect, the reevaluation and optimization of the reextraction process from the membrane phase to the stripping are required.

Keywords
Rosmarinic acid; Liquid membrane; Facilitated pertraction; D2EHPA; Mass flow; Permeability factor
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 94, April 2015, Pages 621–628
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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