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Vol. 27 No. 8 (2015): Vol 27 Issue 8

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Stigmasterol from Eichhornia crassipes (Water Hyacinth): Isolation, Characterization and X-ray Structure

https://doi.org/10.14233/ajchem.2015.18832
Keisham S. Singh
Bioorganic Chemistry Laboratory, CSIR-National Institute of Oceanography, Dona Paula, Goa-403 004, India
Sneha G. Sawant
Bioorganic Chemistry Laboratory, CSIR-National Institute of Oceanography, Dona Paula, Goa-403 004, India
Prabha Devi
Bioorganic Chemistry Laboratory, CSIR-National Institute of Oceanography, Dona Paula, Goa-403 004, India
Werner Kaminsky
Department of Chemistry, University of Washington, Seattle, Washington 98915, USA

Corresponding Author(s) : Keisham S. Singh

keisham@nio.org

Asian Journal of Chemistry, Vol. 27 No. 8 (2015): Vol 27 Issue 8

Abstract

Chemical investigation of Eichhornia crassipes (water hyacinth) collected from the back waters of Kochin, southern India lead to isolation of an oxygenated sterol, stigmasterol (1). The molecular formula of 1 was determined to be C29H48O by combination of NMR and mass spectroscopic data. The sterol was fully characterized by FTIR, NMR (1H and 13C) and mass spectral data. Solid state structure of the sterol was determined by single crystal X-ray diffraction. The compound crystalizes in the chiral monoclinic space group P21 with a solution optical rotation [a]D = -35° (c 0.16, CHCl3).

Keywords

Eichhornia crassipes Stigmasterol Phytochemicals Water hyacinth Crystal structure
S. Singh, K., G. Sawant, S., Devi, P., & Kaminsky, W. (2015). Stigmasterol from Eichhornia crassipes (Water Hyacinth): Isolation, Characterization and X-ray Structure. Asian Journal of Chemistry, 27(8), 3028–3030. https://doi.org/10.14233/ajchem.2015.18832
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