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Emeje, M., Isimi, C., Byrn, S., Fortunak, J., Kunle, O., Ofoefule, S. (2011). Extraction and Physicochemical Characterization of a New Polysaccharide Obtained from the Fresh Fruits of Abelmoschus Esculentus. Iranian Journal of Pharmaceutical Research, Volume 10(Number 2), 237-246. doi: 10.22037/ijpr.2011.971
Martins Emeje; Christiana Isimi; Stephen Byrn; Joseph Fortunak; Olobayo Kunle; Sabinus Ofoefule. "Extraction and Physicochemical Characterization of a New Polysaccharide Obtained from the Fresh Fruits of Abelmoschus Esculentus". Iranian Journal of Pharmaceutical Research, Volume 10, Number 2, 2011, 237-246. doi: 10.22037/ijpr.2011.971
Emeje, M., Isimi, C., Byrn, S., Fortunak, J., Kunle, O., Ofoefule, S. (2011). 'Extraction and Physicochemical Characterization of a New Polysaccharide Obtained from the Fresh Fruits of Abelmoschus Esculentus', Iranian Journal of Pharmaceutical Research, Volume 10(Number 2), pp. 237-246. doi: 10.22037/ijpr.2011.971
Emeje, M., Isimi, C., Byrn, S., Fortunak, J., Kunle, O., Ofoefule, S. Extraction and Physicochemical Characterization of a New Polysaccharide Obtained from the Fresh Fruits of Abelmoschus Esculentus. Iranian Journal of Pharmaceutical Research, 2011; Volume 10(Number 2): 237-246. doi: 10.22037/ijpr.2011.971

Extraction and Physicochemical Characterization of a New Polysaccharide Obtained from the Fresh Fruits of Abelmoschus Esculentus

Article 9, Volume 10, Number 2, Spring 2011, Page 237-246  XML PDF (473.65 K)
Document Type: Research article
DOI: 10.22037/ijpr.2011.971
Authors
Martins Emeje1; Christiana Isimi1; Stephen Byrn2; Joseph Fortunak3; Olobayo Kunle1; Sabinus Ofoefule4
1Department of Pharmaceutical Technology and Raw Materials Development, National Institute for Pharmaceutical Research and Development, Idu, P.M.B.21 Garki-Abuja, Nigeria.
2Department of Medicinal Chemistry and Physical Pharmacy, Purdue University, Indiana, USA.
3Department of Chemistry, Howard University, USA.
4Department of Pharmaceutical Technology and Industrial Pharmacy University of Nigeria, Nsukka, Enugu State, Nigeria.
Abstract
This paper is the first multi-scale characterization of the fluidize-dried gum extracted from the fresh fruits of the plant Abelmoschus esculentus. It describes the physical, thermal, sorptional and functional properties of this natural gum. Elemental analysis, scanning electron microscopy (SEM), particle size analysis, X-ray powder diffraction (XPRD), thermo-gravimetric analysis (TGA), differential scanning calorimetry (DSC), fourier transmittance infra red (FT-IR), and nuclear magnetic resonance (NMR) spectroscopy were used to characterize the gum sample. Abelmoschus Esculentus Gum (AEG) had a glass transition temperature (Tg) of 70°C and no melting peak. It showed a 14.91% loss in weight at 195°C. X-ray diffractogram showed numerous broad halos for AEG. Elemental analysis showed that AEG contains 39.5, 7.3, 51.8, and 1.4% carbon, hydrogen, oxygen and nitrogen respectively. The results obtained in this study established the fundamental characteristics of AEG and suggests its potential application in the food, cosmetic and pharmaceutical sectors.
Keywords
Abelmoschus esculentus gum; Physicochemical characterization; Thermal stability; Sorption profile
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