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- W2604635031 abstract "The aim of this study is to investigate the extraction L-aspartic acid which is a hydrophobic amino acid with reverse micelle system. Production of amino acids by fermentation has been more important in recent years. These amino acids are obtained in dilute aqueous solutions and have to be separated from excess substrate, inorganic salts and by-products. Recently, separation of amino acids from fermentation media by reverse micelle extraction has received a great deal of attention. In this study, reverse micelle phase includes aliquat-336 as a surfactant, 1-decanol as a co-surfactant and isooctane as an apolar solvent. Experiments were performed at 150 rpm stirring rate, at 30 oC, for 30 min extraction time with equal volumes of reverse micelle and aqueous phases. Concentration of L-aspartic acid was analyzed by liquid chromatography (HPLC). The extraction yield increased with increasing pH and aliquat-336 concentration and with decreasing initial amino acid concentration. Maximum ekstraction yield (68 %) was obtained at pH of 12, surfactant concentration of 200 mM and an initial amino acid concentration of 5 mM." @default.
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- W2604635031 date "2009-02-01" @default.
- W2604635031 modified "2023-10-05" @default.
- W2604635031 title "Ters Misel Sistemi ile L-Aspartik Asit Ekstraksiyonu" @default.
- W2604635031 hasPublicationYear "2009" @default.
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