Monitoring of the fermentation media of citric acid by the trimethylsilyl derivatives of the organic acids formed

A Ghassempour, S Nojavan, Z Talebpour…

Index: Ghassempour, Alireza; Nojavan, Saeed; Talebpour, Zahra; Amiri, Ali Asghar; Najafi, Nahid Mashkouri Journal of Agricultural and Food Chemistry, 2004 , vol. 52, # 21 p. 6384 - 6388

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Citation Number: 14

Abstract

In this approach, a derivatization method is described for monitoring of organic acids in fermentation media without any separation step. The aqueous phase of fermentation media was evaporated and heated in a silylation reagent to form trimethylsilyl (TMS) derivatives. The silylated compounds are analyzed by 29Si nuclear magnetic resonance (29Si NMR) and gas chromatography-mass spectrometry (GC-MS). 29Si NMR can qualitatively ...