engleski

Voltammetric Characterization and Determination of Histidine Dipeptides - Carnosine and Anserine

This study reports the characterization of two histidine dipeptides, carnosine (beta -alanyl- L-histidine) and anserine (beta-alanyl-3- methyl-L-histidine), by differential pulse voltammetry. Both molecules showed one oxidation peak, which decreased with successive scans. This effect was more pronounced in carnosine, indicating the adsorption of the oxidation products and blocking the electrode surface. The proposed oxidation mechanism includes the transfer of one electron and one proton and is pH-dependent.

carnosine ; anserine ; voltammetry ; oxidation

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