A Morphological Characterization of High Yield Chitin from Periwinkle Shells

• Autorzy: Odili Cletus Chiosa , Philips Gbenebor Oluwashina , Adekola Haffner Henry , Oluropo Adeosun Samson

Identyfikatory

DOI

10.7494/jcme.2021.5.4.61

• Języki publikacji: EN

Abstrakty

EN

Research on obtaining chitin from periwinkle shell is scarce due to the very low yield of chitin from this kind of shell. This study reports a method of processing periwinkle shells to obtain high yield, bio-medically suitable chitin. The experiment was designed using IM and 2M concentrations of HCl for demineralization and a 1M NaOH concentration for deproteinization. FTIR, SEM, XRD and DTA analytical tools were used to characterize the extracted chitin. The FTIR spectral, XRD patterns and SEM analysis, revealed the complete removal of calcium carbonate by the acid concentrations used. The particle-like form of periwinkle shell was transformed to sheet-like fiber and globular-like fiber of α-chitin by increasing the concentration of HCl from1M to 2M respectively. The crystal size increased from 11.2Å (1M HCl) to 13.4Å (2M HCl). The yield of chitin from periwinkle shell also increased from 52% to 71% using 1M and 2M HCl respectively. Thus, acid concentrations can be used to alter the structure of chitin with different mechanical properties.

Słowa kluczowe

EN

periwinkle; polysaccharide; demineralization; deproteinization; morphology

PL

polisacharyd; demineralizacja; deproteinizacja; morfologia

• Wydawca: AGH University of Science and Technology Press
• Czasopismo: Journal of Casting & Materials Engineering
• Rocznik: 2021
• Tom: Vol. 5, no. 4
• Strony: 61--65
• Opis fizyczny: Bibliogr. 15 poz., fot., wykr.

Twórcy

autor

Odili Cletus Chiosa

• University of Lagos, Department of Metallurgical and Materials Engineering

autor

Philips Gbenebor Oluwashina

• University of Lagos, Department of Metallurgical and Materials Engineering

autor

Adekola Haffner Henry

• University of Lagos, Department of Metallurgical and Materials Engineering

autor

Oluropo Adeosun Samson

• University of Lagos, Department of Metallurgical and Materials Engineering

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021)