Abstract
The degradation of the folate (6R,S)-5,10-methenyltetrahydrofolate chloride (MTHF-Cl) in aqueous solution at pH 8 at room temperature is studied by absorption spectra measurements. samples with and without the reducing agent beta-mercaptoethanol (beta-ME) both under aerobic and anaerobic conditions are investigated. MTHF-Cl hydrolyses to (6R,S)-10-formyltetrahydrofolate (10-HCO-H4folate) in all ...
Abstract
The degradation of the folate (6R,S)-5,10-methenyltetrahydrofolate chloride (MTHF-Cl) in aqueous solution at pH 8 at room temperature is studied by absorption spectra measurements. samples with and without the reducing agent beta-mercaptoethanol (beta-ME) both under aerobic and anaerobic conditions are investigated. MTHF-Cl hydrolyses to (6R,S)-10-formyltetrahydrofolate (10-HCO-H4folate) in all four cases. 10-HCO-H4folate oxidizes to 10-formyldihydrofolate (10-HCO-H2folate) under aerobic conditions in the absence of beta-ME. The degradation dynamics is analysed theoretically and conversion rate constants of hydrolysis and oxidation are determined. (c) 2009 Elsevier B.V. All rights reserved.
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