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Spray Reagents for the Visualization and Detection of Sesame Oil Unsaponifiables on Thin-Layer Chromatograms

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Abstract

Anisaldehyde and crotonaldehyde have been tested as spray reagents for the visualization of major components of sesame oil unsaponifiable matter. Colours produced using anisaldehyde were shades of the spectrum, which are characteristic of the lignans and sterols inherented in the Sesamum indicum in relatively higher coverage, sensitivity and selectivity. However, crotonaldehyde could detect four of the eleven unsaponifiable matters in relatively more stable and bright colour spots.

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Acknowledgments

The authors thank the Department of Chemistry, University of Agriculture, Abeokuta, Nigeria for providing the chemicals. Appreciation also goes to Apex Paint for making available their densitometer for the sensitivity studies.

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Authors and Affiliations

  1. Department of Chemistry, University of Agriculture, P O. Box 28, UNAAB post office, Abeokuta, Nigeria

    Aderemi R. Adegbola, Enock O. Dare & Aliyu A. Lasisi

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  1. Aderemi R. Adegbola
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  2. Enock O. Dare
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  3. Aliyu A. Lasisi
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Correspondence to Enock O. Dare.

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Adegbola, A.R., Dare, E.O. & Lasisi, A.A. Spray Reagents for the Visualization and Detection of Sesame Oil Unsaponifiables on Thin-Layer Chromatograms. Chroma 68, 151–153 (2008). https://doi.org/10.1365/s10337-008-0660-0

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  • DOI: https://doi.org/10.1365/s10337-008-0660-0

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