alexa Extraction And Acetylation Of Starch Using Cost Effective Reagents For Industrial Applications
ISSN: 2169-0022

Journal of Material Sciences & Engineering
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3rd International Conference and Exhibition on Materials Science & Engineering
October 06-08, 2014 Hilton San Antonio Airport, USA

Azeh Yakubu, Abubakar Rufai Mohammed, Umar Musa Tanko and Peter Ajakaye Egwaikhide
Accepted Abstracts: Material Sci Eng
DOI: 10.4172/2169-0022.S1.017
Cassava and potato were isolated using a non-conventional method and reagents. The isolated starch had comparable properties with pharmaceutical, food grade and laboratory starch reagent (EPR) starch as indicated by the proximate analysis composition. The isolated starch was chemically modified using commercial vinegar via acetylation and the success of the modification was evidenced by the changes observed on the functional properties such as, solubility, swelleability and film formability. The solubility of acetylated starch prepared varied with increasing acetylation time at constant temperature. FT-IR analysis was used to further prove the success of the modification reaction with vinegar and the following important peaks were seen; 2926-3022 (−C-H stretch of aliphatic (−CH3) of acetyl group), 1381-1402 (−C−CH3) deformation in acetyl), 1030-1068 (C−O) stretching vibration in acetyl) and 1739, for carbonyl (C=O) all provided good evidence of the success of starch acetylation with vinegar. Ash, carbohydrate, energy value, crude protein, phosphorus (P), potassium (K), sodium (Na), and calcium (Ca) of isolated Cassava starch were higher than that obtained from isolated potato starch. But moisture and fat contents of isolated potato starch were higher than cassava starch. Although, the crude fiber for both starches isolated was significantly similar. We successfully prepared starch acetates with low water swelleability and solubility. These properties make them good candidates for application in food such as stickening agents, thickeners and stabilizers in ice-screams, yoghurts e. t. c. This research work had successfully shown the usefulness of the method adopted for starch extraction and commercial vinegar as a potential reagent for acetylation of starch.
Azeh Yakubu had his BSc Chemistry in 2000 at the University of Abuja. He obtained an MSc Degree in Chemistry with specialization in Organic Chemistry in 2011 at the University of Ilorin, Ilorin. Nigeria. He is presently a PhD candidate conducting researches on cellulose and nanocellulose modification, cellulose blends, composite and cellulose films/membrane, wood and lignocellulosic resources in the same university. He is currently teaching Organic Chemistry and conducting Researches on modification of lignocellulosic biomass using commercial vinegar at the Ibrahim Badamasi Babangida University, Lapai, Nigeria. He has published two books and more than 9 papers in reputed journals.
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