Structural characterization of polymeric chitosan and mineral from Omani shrimp shells

Shrimp shell waste is a burden nowadays globally due to its environmental pollutions. However, shrimp shells contain various ingredients such as chitosan, chitin, minerals, and proteins, which are essential for biomedical, agriculture, and industrial sectors. Chitosan is a polymer, and it is charact...

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Autores principales:	Hurya Ali Said Al Hoqani, Noura Hamed Khalifa Al Shaqsi, Mohammed Amzad Hossin, Mohammed Abdullah Al Sibani
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2021
Materias:	Shrimp shells Chitosan Demineralization Deproteinization Deacetylation Spectroscopy River, lake, and water-supply engineering (General) TC401-506 Water supply for domestic and industrial purposes TD201-500 Energy industries. Energy policy. Fuel trade HD9502-9502.5
Acceso en línea:	https://doaj.org/article/98480bd24c164e76bbea61294f8c357e
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spelling	oai:doaj.org-article:98480bd24c164e76bbea61294f8c357e2021-12-04T04:35:30ZStructural characterization of polymeric chitosan and mineral from Omani shrimp shells2588-912510.1016/j.wen.2021.11.002https://doaj.org/article/98480bd24c164e76bbea61294f8c357e2021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2588912521000242https://doaj.org/toc/2588-9125Shrimp shell waste is a burden nowadays globally due to its environmental pollutions. However, shrimp shells contain various ingredients such as chitosan, chitin, minerals, and proteins, which are essential for biomedical, agriculture, and industrial sectors. Chitosan is a polymer, and it is characterized by its biocompatibility, biodegradability, and non-toxicity. This study aimed to isolate a good quality chitosan polymer from the shrimp shells waste and characterize it by using spectroscopic methods. Initially, the collected shrimp shells were dried and ground for chemical treatment, collected from different regions of Oman. The coarse samples were dimerization, deproteinization, deacetylation and discoloration by using 1 M hydrochloric acid, 12.5 M sodium hydroxide, and 12 M hydrogen peroxide solution to give the corresponding products. Finally, the isolated chitin samples were deacetylated by microwaving at high temperature and pressure for 15 min. The yield of chitosan was approximately 53.31%, which 8.46 ± 0.06 gm, 7.02 ± 0.01 gm and 5.31 ± 0.01gm were the average weight yield after the demineralization, deproteinization and deacetylation processes, respectively. The degree of deacetylation of the extracted chitosan from the shrimp shells was very high of about 97.35% as calculated and identified by using Nuclear Magnetic Resonance (NMR) spectroscopy. The content of calcium and phosphorus minerals of the chitosan was 117.6 ± 0.01 and 119.12 ± 0.09 parts per million (ppm), respectively, which was determined by using Inductive Coupled Plasma-Optical Emission Spectroscopy (ICP-OES). The morphological feature of the chitosan and standard was examined using Scanning Electron Microscopy (SEM) and EDX, and the results showed no big morphological difference between the two samples and the elemental compositions were almost the same. The based on the results showed that the obtained isolated chitosan from shrimp shells was highly deacetylated compare to standard chitosan, and it could be useful for the preparation of commercial, industrial products, and pharmaceutical drugs.Hurya Ali Said Al HoqaniNoura Hamed Khalifa Al ShaqsiMohammed Amzad HossinMohammed Abdullah Al SibaniKeAi Communications Co., Ltd.articleShrimp shellsChitosanDemineralizationDeproteinizationDeacetylationSpectroscopyRiver, lake, and water-supply engineering (General)TC401-506Water supply for domestic and industrial purposesTD201-500Energy industries. Energy policy. Fuel tradeHD9502-9502.5ENWater-Energy Nexus, Vol 4, Iss , Pp 199-207 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Shrimp shells Chitosan Demineralization Deproteinization Deacetylation Spectroscopy River, lake, and water-supply engineering (General) TC401-506 Water supply for domestic and industrial purposes TD201-500 Energy industries. Energy policy. Fuel trade HD9502-9502.5
spellingShingle	Shrimp shells Chitosan Demineralization Deproteinization Deacetylation Spectroscopy River, lake, and water-supply engineering (General) TC401-506 Water supply for domestic and industrial purposes TD201-500 Energy industries. Energy policy. Fuel trade HD9502-9502.5 Hurya Ali Said Al Hoqani Noura Hamed Khalifa Al Shaqsi Mohammed Amzad Hossin Mohammed Abdullah Al Sibani Structural characterization of polymeric chitosan and mineral from Omani shrimp shells
description	Shrimp shell waste is a burden nowadays globally due to its environmental pollutions. However, shrimp shells contain various ingredients such as chitosan, chitin, minerals, and proteins, which are essential for biomedical, agriculture, and industrial sectors. Chitosan is a polymer, and it is characterized by its biocompatibility, biodegradability, and non-toxicity. This study aimed to isolate a good quality chitosan polymer from the shrimp shells waste and characterize it by using spectroscopic methods. Initially, the collected shrimp shells were dried and ground for chemical treatment, collected from different regions of Oman. The coarse samples were dimerization, deproteinization, deacetylation and discoloration by using 1 M hydrochloric acid, 12.5 M sodium hydroxide, and 12 M hydrogen peroxide solution to give the corresponding products. Finally, the isolated chitin samples were deacetylated by microwaving at high temperature and pressure for 15 min. The yield of chitosan was approximately 53.31%, which 8.46 ± 0.06 gm, 7.02 ± 0.01 gm and 5.31 ± 0.01gm were the average weight yield after the demineralization, deproteinization and deacetylation processes, respectively. The degree of deacetylation of the extracted chitosan from the shrimp shells was very high of about 97.35% as calculated and identified by using Nuclear Magnetic Resonance (NMR) spectroscopy. The content of calcium and phosphorus minerals of the chitosan was 117.6 ± 0.01 and 119.12 ± 0.09 parts per million (ppm), respectively, which was determined by using Inductive Coupled Plasma-Optical Emission Spectroscopy (ICP-OES). The morphological feature of the chitosan and standard was examined using Scanning Electron Microscopy (SEM) and EDX, and the results showed no big morphological difference between the two samples and the elemental compositions were almost the same. The based on the results showed that the obtained isolated chitosan from shrimp shells was highly deacetylated compare to standard chitosan, and it could be useful for the preparation of commercial, industrial products, and pharmaceutical drugs.
format	article
author	Hurya Ali Said Al Hoqani Noura Hamed Khalifa Al Shaqsi Mohammed Amzad Hossin Mohammed Abdullah Al Sibani
author_facet	Hurya Ali Said Al Hoqani Noura Hamed Khalifa Al Shaqsi Mohammed Amzad Hossin Mohammed Abdullah Al Sibani
author_sort	Hurya Ali Said Al Hoqani
title	Structural characterization of polymeric chitosan and mineral from Omani shrimp shells
title_short	Structural characterization of polymeric chitosan and mineral from Omani shrimp shells
title_full	Structural characterization of polymeric chitosan and mineral from Omani shrimp shells
title_fullStr	Structural characterization of polymeric chitosan and mineral from Omani shrimp shells
title_full_unstemmed	Structural characterization of polymeric chitosan and mineral from Omani shrimp shells
title_sort	structural characterization of polymeric chitosan and mineral from omani shrimp shells
publisher	KeAi Communications Co., Ltd.
publishDate	2021
url	https://doaj.org/article/98480bd24c164e76bbea61294f8c357e
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Structural characterization of polymeric chitosan and mineral from Omani shrimp shells

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