alexa Gas chromatographic analysis of amino acid enantiomers in Carbetocin peptide hydrolysates after fast derivatization with pentafluoropropyl chloroformate.
Chemical Engineering

Chemical Engineering

Journal of Chromatography & Separation Techniques

Author(s): Zahradnckov H, Hartvich P, Simek P, Husek P

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Abstract A novel sample preparation protocol for gas chromatographic (GC) analysis of amino acid enantiomers in peptides was developed. It comprises traditional acid hydrolysis, a novel treatment of the analytes with a fluoroalkyl chloroformate and GC/FID separation of enantiomers on a chiral capillary column. The major improvements consist in that the derivatization step proceeds in organic-aqueous media within seconds and the amino acid derivatives are volatile enough to suit the temperature range of the chiral Chirasil-Val capillary column. The approach was found beneficial for chiral analysis of pharmaceutically important Carbetocin peptide. This article was published in Amino Acids and referenced in Journal of Chromatography & Separation Techniques

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