Extraction of amino acids by aqueous two-phase partition |
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Authors: | I-Ming Chu Shiao-Li Chang Shi-Huang Wang Wu-Yung Yang |
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Affiliation: | (1) Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan 30043, Republic of China |
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Abstract: | Summary Amino acids, including lysine, glutamic acid, and phenylalanine, in pure solution or in fermentation broth, were extracted with the aqueous two-phase system consisting of polyethylene glycol and salts, giving a very sharp separation. The partition is influenced by the type and the amount of salts used, pH and components of the broth. |
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