The Monosodium Glutamate Story: The Commercial Production of MSG and Other Amino Acids

Addison Ault
Department of Chemistry, Cornell College, Mount Vernon, IA 52314
J. Chem. Educ., 2004, 81 (3), p 347
DOI: 10.1021/ed081p347
Publication Date (Web): March 1, 2004

Abstract

Examples of the industrial synthesis of pure amino acids are presented. The emphasis is on the synthesis of (S)-glutamic acid and, to a lesser extent, (S)-lysine and (R,S)-methionine. These amino acids account for about 90% of the total world production of amino acids, (S)-glutamic acid being used as a flavor-enhancing additive (MSG) for the human diet, and (S)-lysine and (R,S)-methionine as supplements for the feeding of domestic animals. Examples include chemical, enzymatic, and fermentation synthesis, and two clever continuous processes for the resolution of enantiomers.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Biochemistry

Keywords (Feature):

Products of Chemistry

Keywords (Subject):

Amino Acids

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      Journal of Chemical Education2005 82 (10), 1496

      The nonscience majors course described here employs the book titled Napoleon's Buttons: How 17 Molecules Changed History as its key pedagogical tool. The book is an engaging account of 17 molecules or groups of molecules that have, like the tin buttons ...

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History

  • Received: August 03, 2009

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