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. 1983 Jul 1;132(1):160-4.
doi: 10.1016/0003-2697(83)90441-4.

Microbial production of L-[15N]glutamic acid and its gas chromatography-mass spectrometry analysis

Z E Kahana, A Lapidot

Microbial production of L-[15N]glutamic acid and its gas chromatography-mass spectrometry analysis

Z E Kahana et al. Anal Biochem. .

Abstract

L-[15N]Glutamic acid was prepared in high yields via a fermentative process. Brevibacterium lactofermentum, growing on a medium containing 97% enriched 15NH4Cl as a sole isotopic precursor, excreted mostly L-[15N]glutamic acid. The L-[15N]glutamic acid was purified and identified. Gas chromatography-mass spectrometry analysis was performed to demonstrate its usefulness in clinical studies.

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