Sodium hydrogen (S)-glutamate [(S)-monosodium glutamate], [a] D 25oC = +24, is the active flavor enhancer known as

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Sodium hydrogen (S)-glutamate [(S)-monosodium glutamate], [a]D25oC = +24, is the active flavor enhancer known as MSG. The condensed formula of MSG is shown in the margin, 

(a) Draw the structure of the S enantiomer of MSG. 

(b) If a commercial sample of MSG were found to have a [a]D25oC = +8. what would be its optical purity?"What would be the percentages of the S and R enantiomers in the mixture? 

(c) Answer the same questions for a sample with [a]D25oC = +16.

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Organic Chemistry structure and function

ISBN: 978-1429204941

6th edition

Authors: K. Peter C. Vollhardt, Neil E. Schore

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