Kinetic modelling of isomerization and anaerobic degradation of n- and i-butyrate

Abilio Aguilar, Carles Casas, Javier Lafuente, Juan M. Lema

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16 Citations (Scopus)


Very clear experimental evidence of isomerization between n- and i-butyrate during their anaerobic degradation was presented. A first experiment in the presence of bromoethane sulfonic acid (BESA), an inhibitor of methanogenesis, allowed the equilibrium distribution of n-, i-butyrate and acetate to be determined. To elucidate the mechanism of the isomerization process, a kinetic analysis was employed. The results suggested that i-butyrate was isomerized into n-butyrate prior to being oxidized to acetate. A mechanism for butyrate degradation, based on the values of the kinetic parameters obtained, was proposed. © 1990.
Original languageEnglish
Pages (from-to)261-264
JournalJournal of Fermentation and Bioengineering
Issue number4
Publication statusPublished - 1 Jan 1990


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