alexa Quantitation and purification of quaternary ammonium compounds from halophyte tissue.
Chemical Engineering

Chemical Engineering

Journal of Chromatography & Separation Techniques

Author(s): Stumpf DK

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Abstract A simple and sensitive spectrophotometric assay for quaternary ammonium compounds (QACs) based on Dragendorff's reagent is described. Although not specific for a particular QAC, the assay allows for rapid survey of tissue for QAC content. A separation method for QACs in halophyte tissue containing high levels of cations was developed using ion exchange resins and ninhydrin to remove the amino acid fraction.
This article was published in Plant Physiol and referenced in Journal of Chromatography & Separation Techniques

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