International Journal of Advanced and Applied Sciences
Int. j. adv. appl. sci.
EISSN: 2313-3724
Print ISSN: 2313-626X
Volume 3, Issue 10 (October 2016), Pages: 31-36
Title: Optimization of shrimp shell waste deacetylation for chitosan production
Author(s): Flornica Alca Ahing *, Newati Wid
Affiliation(s):
Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Jalan UMS, 88400, Kota Kinabalu, Sabah, Malaysia
https://doi.org/10.21833/ijaas.2016.10.006
Abstract:
Chitosan, a versatile natural polymer is an amino polysaccharide prepared by processing shrimp shell waste which involved deacetylation of chitin. To obtain high degree of deacetylation (DDA), several parameters should be performed during alkaline treatment. The present study was undertaken at different time of soaking treatment (once and twice) and temperature (60oC and 80oC) to optimize the deacetylation process to produce chitosan with high solubility and degree of deacetylation. It was observed that the highest solubility and degree of deacetylation were obtained when deacetylation process was repeated twice and temperature of 80oC, with 99.48% and 97.63%, respectively. It can be concluded that by repeating the deacetylation twice with the support of heating treatment, a better quality of chitosan with higher solubility and degree of deacetylation can be produced.
© 2016 The Authors. Published by IASE.
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Keywords: Chitosan, Shrimp shell waste, Repeat deacetylation, Chitosan solubility, Degree of deacetylation
Article History: Received 12 August 2016, Received in revised form 5 October 2016, Accepted 11 October 2016
Digital Object Identifier: https://doi.org/10.21833/ijaas.2016.10.006
Citation:
Ahing FA and Wid N (2016). Optimization of shrimp shell waste deacetylation for chitosan production. International Journal of Advanced and Applied Sciences, 3(10): 31-36
http://www.science-gate.com/IJAAS/V3I10/Ahing.html
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