Research Article | Volume: 5, Issue: 10, October, 2015

Physicochemical Properties of Cassava Starch Retrograded in Alcohol

Mohammed Achor James Yinka Oyeniyi Mukhtar Musa Mahmud Sani Gwarzo   

Open Access   

Published:  Oct 28, 2015

DOI: 10.7324/JAPS.2015.501021

Starch is an important excipient employed in the pharmaceutical industry but irrespective of its source, the native starch is undesirable for many applications because of its inability to withstand processing conditions and hence the need for it modification in order to improve its desired properties. The objective of this study was to extract, modify by retrogradation in alcohol and evaluate starch obtained from Manihot esculentum as a pharmaceutical excipient. The starch was extracted then modified by retrogradation using alcohol for a period of 0, 24, 48 and 96 hrs. The granular morphology, amylose and amylopectin fractions, ash value, true density, powder porosity, swelling capacity, hydration capacity, moisture sorption capacity, bulk density, tapped density, Carr’s index, Hausner’s ratio, angle of repose, X-ray diffractography, elemental and proximate analysis were used for the physicochemical characterizations and was subsequently compared with native Manihot esculentum starch. Starch obtained by retrogradation showed decrease in angle of repose, moisture sorption capacity, moisture content, water solubility index and showed increase swelling capacity, hydration capacity and crystallinity as compared to the native starch. In conclusion, retrograded starch showed better pharmaceutical potentials than the native starch as evident to its improved physicochemical properties.

Keyword:     Cassava starch retrogradation alcohol.


Mohammed Achor, James Yinka Oyeniyi, Mukhtar Musa, Mahmud Sani Gwarzo. Physico-Chemical Properties of Cassava Starch Retrograded in Alcohol. J App Pharm Sci, 2015; 5 (10): 126-131.

Copyright:The Author(s). This is an open access article distributed under the Creative Commons Attribution Non-Commercial License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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