Journal
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
Volume 9, Issue 3, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jece.2021.105229
Keywords
Chitin; Chitosan; Biopolymer; Deacetylation; Emerita analoga
Categories
Funding
- Fundamental Research Grant Scheme, Malaysia [FRGS/1/2019/STG05/UNIM/02/2]
- MyPAIRPHCHibiscus Grant [MyPAIR/1/2020/STG05/UNIM/1]
- VIEP-BUAP
- PRODEP, Mexico
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After the death of sand crabs, their body carapace can be used as a potential source of chitosan, providing health benefits to human beings. The treated samples showed uniform microscopic structures, good crystal structure, and quality suitable for potential biomedical applications.
Sand crabs are one of the most important and abundant invertebrates in the sandy beaches ecosystem of the Pacific sea. After death, this crustacean generates large quantities of solid waste in the form of body carapace (exoskeleton), which has caused pollution and affecting human life quality. The carapace is primarily composed of chitin and proteins. Therefore, this bio-waste could be employed as a potential source of chitosan, providing health benefit to human. Thus, in this work, samples with different deacetylation percentage of chitosan were obtained. Separate treatments were applied to the carapace and the ends. The microscopic particles are flake-like structures with size range of 110 - 220 mu m and uniformly distributed porosity was found in the end samples. An orthorhombic crystal structure (crystallinity of 30%) was observed, similar to the sample reported in literature. Ash, humidity and insoluble matter percentage confirmed the quality of chitosan for potential biomedical applications.
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